ONGC Trainee Modal Papers

Hey there! I want to get Modal papers of ONGC exam. Would you please provide me following study material???

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Here I am providing modal papers for preparation:
Modal Papers of ONGC Exam
1.Women20-20 world Championship was Won By

(A)Australia

(B)England

(C)Pakistan

(D) India

2. Who is the Chairperson of Identification Authority of India

(UIA)?

(A) Dr. M. S. Swaminathan

(B) Nandan Nilekani

(C) B. Shreedharan

(D) M. N. Buch

3. Who won the 2009 Wimbledon ?

(A) Pete Samptas

(B) Rafael Nadal

(C) Roger Federer

(d) John McEnroe

4. Which country has the largest Rail Network in the World?

(A)India

(B) U. K.

(C)China

(D) U.S.A.

5. Who is the Union Law Minister of India?

(A) Sharad Pawar

(B) Kapil Sibbal

(C) Verrappa Moily

(D) Hansraj Bharadwaj

6. The Birthday of Late Sarvepalli Radhakrishnan, ‘President of India’, is celebrated as?

(A)Lawyer’s Day

(B)Teacher’s Day

(C)Children’s Day

(D)Father’s Day

7. Tirupati is in?

(A) Andhra Pradesh

(B) Karnatalca

(C) Tamil Nadu

(D) MP

8. Kanha National Park is situated in which State ?

(A) Andhra Pradesh

(B) Karnatalca

(C) Tamil Nadu

(D) MP

9. River Narmada originates from?

(A) Bhedaghat

(B) Amarkantak

(C) Dindori

(D) Allahabad

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10. Gandhiji started Dandi March in 1930

(A) Against atrocities committed on Harijarts

(B) Against imposition of Salt Tax

(C) Against the commencement of Communal Riot

(D) Against prohibition on Indian’s participating in elections

11. Who is the author of “My Experiments with Truth”?

(A)Nehru

(B) Tagore

(C) Gandhi

(D) Jinnah

12. NASA refers to

(A) National Aeronautics and Space Administration

(B) North Atlantic Space Agency

(C) North Airbase and Space Agency

(D) None of the above

13. I.S.O. 9000 is a?

(A) Quality Standard Mark

(B) Space Project

(C) Trade Technique

(d) None of these

14. Who among the following made a film on Mahatma Gandhi?

(A) Aparna Sen

(B) ShyamBenegal

(C) James Ivory

(d) Richard Attenborough

15. ‘Law Day’ is observed on

(A) 26th January

(B) 15th August

(C) 26th May

(d) 26th November

16. Which is the longest sea bridge in the country?

(A) Vidyasagar Sew, Kolkata

(B) Bandra-Worli Sea Link,Mumbai

(C) Bhakra-Nangal Project

(D) None of these

17. Dr. Rajendra Pachauri is a/an?

(A) Banker

(B) Industrialist

(C) Environmentalist

(D) Scientist

18. Who is the author of ‘Discovery of India’?

(A) Jawaharlal Nehru

(B) Mahatma Gandhi

(C) Sarojini Naidu

(D) Indira Gandhi

19. D.N.A. refers to?

(A)Di-oxyribo Nucleic Acid

(B)Di-oxide Nucleic Acid

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(C)Different Nucleic Acid

(D) None of these.

20. S.M.S. is?

(A)Short Messaging Sequence

(B)Short Messaging Service

(C)Short Manageable Service

(D)Short and Medium Service

21. Padma Bhushan Award is?

(A) Gallantry Award

(B) Bravery Award

(C) Civilian Award

(d), Literary Award

22. Which city is known as the ‘City of Joy’?

(A)Delhi

(B) Mumbai

(C)Kolkata

(D) Chennai

23. Who won the ASHES Cricket Test Series held in year 2009?

(A)Australia

(B)England

(C)Pakistan

(D) None of these

24. Who appoints a Judge of a High Court?

(A) Governor

(B) Chief Minister

(C) President of i

(D) Chief Justice of India

25. Which of these animals is not shown in the National Emblem of India?

(A)Lion

(B) Horse

(C)Bull

(D) Elephant

26. Which is the Mother State of Chhattisgarh?

(A) Bihar

(B) Uttar Pradesh

(C) Uttarakhand

(D) Madhya Pradesh

27. Who won the men’s 100 m. final race at the recently held 2009 IAAF Athletics World Championship in Berlin?

(A) Tyson Gay of America

(B) Usain Bolt of Jamaica

(C) Asafa Powell of Jamaica

(D) Yang Yon Eun of South Korea

28. The Finance Minister has pro posed replacement of the Income Tax Act by?

(A) The Finance Act, 2008

(B) The Direct Tax Act

(C) The Indian Taxation Code

(D) The Direct Taxes Code

(D) Indore

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29. The Earth rotates around an axis pointing towards

(A) the moon

(B) the pole star

(C) the sun

(D) Venus

30. Which one of the following aptly describes the generalised shape of the continents?

(A)Circular

(B) Hexagonal

(C)Rectangular

(D) Triangular

31.An Air India plane recently crashed at …….. Airport

(A) Mumbai

(B) Kolkata

(C) Mangalore

(D) Srinagar

32.Vikas Krishnan was in news Recently. He is a ?

(A) Boxer

(B) Writer

(C)Music Director

(D) Head of VIKAS NGO

33. During 1994-2007 grean house gas Emissions in India Fell By

(A) 25 percent

(B) 30 percent

(C) 35 percent

(D) 40 percent

34.First European Country to Ban Burqua is ?

(A) Belgium

(B) France

(C) UK

(D) Germany

Answers

1 A

2 B

3 C

4 D

5 C

6 B

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7 A

8 D

9 B

10 B

11 C

12 A

13 A

14 D

15 D

16 B

17 C

18 A

19 A

20 B

21 C

22 C

23 B

24 C

25 D

26 D

27 B

28 D

29 B

30 D

31 C

32 A

33 B

34 A


1. Which one of the following tests is performed in the laboratory to determine the extent of
weathering of aggregates for road works?
(a) Soundness test
(b) Crushing test
(c) Impact test
(d) Abrasion test
Ans. (a)
2. Which one of the following geometric features requires the magnitudes of weaving angle and
weaving distance for its design?
(a) Rotary design
(b) Right-angle intersection
(c) Roundabout
(d) Grade-separated junction
Ans. (a)
3. Which one of the following methods is used in the design of rigid pavements?
(a) CBR method
(b) Group index method
(c) Westergaard’s method
(d) McLeod’s method
Ans. (c)
4. In which one of the following yards, are reception, sorting and dispatch of railway wagons
done?
(a) Loco yard
(b) Marashalling yard
(c) Goods yard
(d) Passenger yard
Ans. (b)
5. Which one of the following is not a desirable property of the subgrade soil as a highway
meterial?
(a) Stability
(b) Ease of compaction
(c) Good drainage
(d) Bitumen adhesion
Ans. (d)
6. Consider the following statements:
In surverying operations, the word ‘reciprocal’ can be associated with
1. ranging
2. levelling
3. contouring
Which of the above statements is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Ans. (b)
7. How many- sidereal days are there in a solar year?
(a) 365.2840
(b) 366.2422
(c) 360.2500
(d) 365.0000
Ans. (b)
8. Consider the following statements
A sidereal year can be defined as the time interval:
1. between two successive transits .of the sun through the meridian of any of the fixed stars
2. between two successive passages of the sun through perigee
Which of the above statements is/are correct?
(a) 3 only
(b) 1and 2
(c) 2 and 3
(d) 1 only
Ans. (b)
9. Which one of the following methods of computing area assumes that the short, lengths of the
boundary between the ordinates
are parabolic ares?
(a) Average ordinate rule
(b) Middle ordinate rule
(c) Simpson’s rule
(d) Trapezoidal rule
Ans. (c)
10. Which one the following errors is more severe in plane-table surveying?
(a) Defective sighting
(b) Defective orientation
(c) Movement of board between sights
(d) Non-horizontality of board when points sighted are at large differences of their elevation .
Ans. (b)
11. Which one of the following sets of factors is related to design of thickness rigid pavement by
Westergaard method?
(a) CBR value and stiffness index of soil
(b) Deflection factor and traffic index
(c) Swelling index and bulk modulus
(d) Radius of relative stiffness and modulus of subgrade reaction
Ans. (d)
12. Consider the following in relation to group index of soil:
1. Liquid limit
2. Sandy loam
3. Plasticity index
4. Per cent passing 75 microns sieve
Which of the above is/are used for estimating the group index?
(a) 1 only
(b) 1and 2
(c) 2 and 3
(d) 1, 3 and 4
Ans. (d)
13. Which set of traffic functional design as well as for ‘highway capacity’ design?
(a) Origin and destination studies
(b) Parking and accident studies
(c) Speed and volume studies
(d) Axle load studies
Ans. (a)
14. Which one of the following traffic survey schemes is most relevant when deciding on
locating major ‘routes’ in a city?
(a) Traffic volume survey
(b) Origin and destination survey
(c) Speed survey
(d) Traffic capacity survey
Ans. (b)
15. Which one of the following equipments is useful in determining spot speed in traffic
engineering?
(a) Endoscope
(b) Periscope
(c) Radar
(d) Tachometer
Ans. (c)
16. Hot bitumen is sprayed over freshly constructed bituminous surface followed by spreading of
6.3 mm coarse aggregates
and rolled. Which one of the following is indicated by this type of construction?
(a) Surface dressing
(b) Gravel-bitumen mix
(c) Liquid seal coat
(d) Seal coat
Ans. (a)
17. Radius of relative stiffness of cement concrete pavement does not depend upon which one of
the following?
(a) Modulus of subgrade reaction
(b) Wheel load
(c) Modulus of elasticity of cement concrete
(d) Poisson’s ratio of concrete
Ans. (b)
18. For conditions obtaining in India, at which location in a cement concrete payement will the
combined stresses due to traffic
wheel studies is needed for well as for ‘highway load and temperature have to be critically
checked during design?
(a) Corner
(b) Corner and interior
(c) Corner and edge
(d) Corner, edge and interior
Ans. (d)
19. Consider the following factors:
1. The change in the shape and size of the channel cross-section
2. The change in the slope of the channel
3. The presence of obstruction
4. The change in the frictional forces at the boundaries
Which of the above factors would cause a gradually varied flow?
(a) 1, 2, 3 and 4
(b) 1, 2 and 3 only
(c) 2 and 4 only
(d) 3 and 4 only
Ans. (a)
20. Under which one of the following categories is the river Ganga classified in the reach
through UP and Bihar?
(a) Straight river
(b) Meandering river
(c) Braided river
(d) Deltaic river
Ans. (b)
21. Which of the following categories best describes the Hirakud reservoir?
(a) Reservoir for irrigation and power
(b) Reservoir for flood control, power and irrigation
(c) Reservoir for irrigation and water supply
(d) Reservoir for recreation and fishery
Ans. (b)
22.. During a particular stage of the growth of a crop, consumptive use of water is 2.8 mm/day. If
the amount of water available
in the soil is 25% of 80 mm depth of water what is the frequency of irrigation?
(a) 9 days
(b) 13 days
(c) 21 days
(d) 25 days
Ans. (c)
23.. Consider the following statements:
Irrigation water has to be supplied to the crops when the moisture level falls
1. below field capacity
2. to wilting point
3. below wilting point
Which of the above statement is/are correct?
(a) 1 only
(b) 2 only
(c) 3 only
(d) 2 and 3
Ans. (a)
24.. A groundwater basin consists of 10 km2 area of plains. The maximum groundwater table
fluctuation has been observed
to be 1.5 m. Consider specific yield of the basin as 10%. What is the available groundwater
storage in million cubic metres?
(a) 1.0
(b) 1.5
(c) 2.5
(d) 2.0
Ans. (b)
25. Consider the following chemical emulsions:
1. Methyl alcohol
2. Cetyl alcohol
3. Stearyl alcohol
4. Kerosene
Which of the above chemical emulsions is/are used to minimize the loss of water through the
process of evaporation?
(a) 1 only
(b) 1 and 4
(c) 2 and 4
(d) 2 and 3
Ans. (d)
26. A catchment area of 60 ha has a runoff coefficient of 0.40. If a storm of intensity 3cm h and
duration longer than the time
of concentration occurs in the catchment, then what is the peak discharge?
(a) 2.0 m3/s
(b) 3.5 m3/s
(c) 4.5 m3/s
(d) 2.5 m3/s
Ans. (a)
27. Which combination of surface water quality parameters will indicate sweep coagulation as
the preferred mechanism of coagulation?.
(a) High turbidity — low alkalinity
(b) High turbidity — high alkalinity
(c) Low turbidity — high alkalinity
(d) Low turbidity — low alkalinity
Ans. (b)
28. In a canal irrigation project, 76% of the culturable command area (CCA) remained without
water during Kharif season; and
58% of CCA remained without water during Rabi season in a particular year. Rest of the areas
got irrigated in each crop
respectively. What is the intensity of irrigation for the project in that year?
(a) 134%
(b) 76%
(c) 66%
(d) 58%
Ans. (b)
29. What is the critical combination of vertical and horizontal earthquake accelerations to be
considered for checking the stability
of a gravity dam in reservoir full condition?
(a) Vertically upward and horizontally downstream
(b) Vertically upward and horizontally upstream
(c) Vertically downward and horizontally upstream
(d) Vertically downward and horizontally downstream
Ans. (d)
30. What is the height of wave which is likely to be generated by a wind of 80 km/hr in a
reservoir having a fetch of 50 km:
(a) 0.5m
(b) 1.0 m
(c) 2.0 m
(d) 3.0 m
Ans. (c)
31. Consider the following statements:
1. Giving equal weightings to horizontal and vertical creeps for design of weir foundations is one
of the drawbacks of Kennedy’s theory.
2. Khosla’s theory of design of foundations for weirs is based on potential theory.
3. Piping problem can be reduced by increasing the length of floor.
4. In Lane’s weighted creep theory, horizontal creep is given less weightage compared to vertical
creep.
Which of the above statements is/are correct?
(a) 1
(b) 2, 3 and 4
(c) 2 and 4 only
(d) 3 and 4 only
Ans. (b)
32. The power transmitted through a pipeline is maximum when the head lost due to friction in
the pipe is equal to:
(a) the total supply head
(b) half of the total supply head
(c) one-third of the total supply head
(d) one-fourth of the total supply head
Ans. (c)
33. Consider the following with respect to the application of the Navier-Stokes equations:
1. Laminar flown in circular pipes
2. Laminar flow between concentric rotating cylinders
3. Laminar unidirectional flow between stationary parallel plates
4. Laminary unit directional flow between parallel plates having relative motion
Which of the above is/are correct?
(a) 1 only
(b) 2 and 3 only.
(c) 3 and 4 only
(d) 1, 2, 3 and 4
Ans. (c)
34. In a siphon system employed for carrying water from a reservoir A at a higher elevation to
another reservoir B at lower elevation, both
being separated by a higher hill, what will be the pressure at the ‘Summit’ (S)?
(a) Equal to the pressure at the water surface of reservoir A
(b) Higher than the pressure at the water surface of reservoir A
(c) Equal to the pressure at the water surface of reservoir B
(d) Less than the pressure at both A and B above
Ans. (d)
35. Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I List-II
A. Rehbock formula 1. Sutro weir
B. Francis formula 2. Rectangular suppressed weir
C. A special trapezoidal weir 3. Rectangular side- contracted weir
D. Linear proportional weir 4. Cippolletti weir
Code:
A B C D
(a) 1 3 4 2
(b) 2 4 3 1
(c) 1 4 3 2
(d) 2 3 4 1
Ans. (d)
36. Consider the following statements related to undersluices provided in diversion weirs on
permeable foundations:
I. They are fully gate-controlled and have crest at the same level as the weir crest when no silt
excluders are provided.
2. They scour the silt deposited on the river bed in the pockets upstream of the canal head
regulator.
3. It is not necessary to provide end pile line on the downstream end of the undersluice floor.
4. The discharge capacity of the undersluice is 10-15% of the maximum flood or two times the
maximum discharge of the offtaking canal or
maximum winter discharge, whichever is the highest.
Which of the above statements is/are correct?
(a) 1
(b) 2 and 4 only
(c) 2, 3 and 4
(d) 3 and 4 only
Ans. (b)
37. What is the theoretical oxygen demand of 300 mg/L glucose solution?
(a) 300 mg/L
(b) 320 mg/L
(c) 350 mg/L
(d) 400 mg/L
Ans. (b)
38. Consider the following:
1. Force on pipe bends and transitions
2. Jet propulsion
3. Flow velocities in open channel
4. Vortex flow
Which of the above admit employing the moment of momentum equation?
(a) 1 and 2 only
(b) 1, 2 and 3
(c) 1 and 3 only
(d) 2, 3 and 4
Ans. (d)
39. Consider the following statements:
1. Shear stress is maximum at the centre line.
2. Maximum velocity is 3\2 times the average velocity
3. Discharge varies inversely with the coefficient of viscosity.
4. Slope of hydraulic gradient line increases linearly with the velocity of flow.
Which of the above statements are correct in connection with a steady laminar flow through a
circular pipe?
(a) 1, 3 and 4
(b) 3 and 4 only
(c) 1 and 3 only
(d) 2 and 4
Ans. (b)
40. Consider the following statements:
Cavitation generally results from a combination of several influences
1. by reduction of pressure intensity below a limiting value
2. by increase in either elevation or the velocity of flow
3. by reduction of pressure load in the system
4. by decrease in the velocity of flow
Which of the above statements are correct?
(a) 1, 2 and 3
(b) 1 and 2 only
(c) 2 and 3 only
(d) 3 and 4
Ans. (b)
41. What is Hydrological Cycle?
(a) Processes involved in the transfer of moisture from sea to land
(b) Processes involved in the transfer of moisture from sea back again
(c) Processes involved in the transfer of water from snowmelt in mountains
(d) Processes involved in the transfer of moisture from sea to land and back to sea again
Ans. (d)
42. Consider the following with respect to a double-mass curve:
I. Plot of accumulated rainfall with respect to two chronological orders
2. Plot for estimating multiple missing rainfall data
3. Plot for checking the consistency of the rainfall data
4. Plot of accumulated annual rainfall of a station vs. accumulated rainfall of a group of stations
Which of the above are correct?
(a) 1 and 3
(b) 2 and 3
(c) 3 and 4
(d) 1 and 4
Ans. (c)
43. Generally to estimate PMP, Pm = 42. 16D0.475 is used (Pm is maximum depth of
precipitation, D = duration). What are the units of Pm and D in the equation?
(a) mm, sec
(b) cm, sec
(ë) mm, hr
(d) cm, hr
Ans. (d)
44. A triangular direct runoff hydrograph due to a storm has a time base of 60 hr and a peak flow
of 30m3/s occurring at 20 hr
from the start. If the catchment area is 300 km2, what is the rainfall excess in the storm?
(a) 50 mm
(b) 20 mm
(c) 10.8 mm
(d) 8.3 mm
Ans. (c)
45. A 3 hr unit hydrograph U1 of a catchment of area 235 km2 is in the form of a triangle with
peak discharge 30 m3/s. Another
3 hr unit hydrograph U2 is also triangular in shape and has the same base width as U1, but has a
peak flow of 90 m3/s. What
is the catchment area of U2?
(a) 117.5 km2
(b) 235 km2
(c) 470 km2
(d) 705 km2
Ans. (d)
46. While selecting a centrifugal pump for your requirement of head and discharge on the basis
of its performance characteristics,
which one of the following criteria is to be adopted?
(a) Head, discharge and efficiency
(b) Head and discharge only
(c) Discharge only
(d) Head only
Ans. (a)
47. Consider the following statements:
The function of the impeller in a centrifugal pump is to:
1. Convert the pressure energy into hydraulic energy
2. Convert the hydraulic energy into mechanical energy
3. Convert the mechanical energy into hydraulic energy
4. transform most of the kinetic energies to pressure energy
Which of the above statements is/are correct?
(a) 1 only
(b) 3 only
(c) 1, 2 and 3
(d) 2, 3 and 4
Ans. (b)
48. A centrifugal pump gives maximum efficiency when its impeller blades are
(a) bent forward
(b) bent backward
(c) straight
(d) wave-shaped
Ans. (b)
49. Match List-I with List-II and select the correct answer using the the code given below the
Lists-I List-II
A. Spiral casing 1. To allow flow of water through it to produce a
torque
for the rotation of the runner
B. Stay ring 2. To direct the water on the runner at an
appropriate angle
C. Guide vane 3. To distribute the flow over the periphery of the
runner
D. Runner 4. To act as column helping to support the electrical
generator above the turbine
Code:
A B C D
(a) 3 2 4 1
(b) 1 2 4 3
(c) 3 4 2 1
(d) 1 4 2 3
Ans. (c)
50. By which one of the following, a small quantity of water may be lifted to a great height?
(a) Hydraulic ram
(b) Hydraulic crane
(c) Hydraulic lift
(d) Hydraulic coupling
Ans. (a)
1. A 1.6 m3 capacity tractor loaded works at a site with an effective per-round-trip time of 64 seconds.
Effective delivery of
excavated material is 90%. If utilization is 50 minutes per hour working, what will be the productivity in a
4-hour shift?
(a) 253 m3
(b) 262 m3
(c) 270 m3
(d) 282 m3
Ans. (c)
2. Match List-I with List-II and select the correct answer using the code given below the lists:
List-I List-II
(Equipment) (Category)
A. Derrick crane 1. Excavating equipment
B.Hoe 2. Hauling equipment
C. Clamshell 3. Hoisting ‘equipment
D. Dumper Truck 4. Vertical lifting equipment
Code:
A B C D
(a) 2 1 4 3
(b) 3 1 4 2
(c) 2 4 1 3
(d) 3 4 1 2
Ans. (b)
3. A 1.75 m3 capacity tractor loader has forward loaded speed of 240 m/min, returning unloaded speed
of 300 m/min and operates at
80% of the specified speed. It hauls earth over a distance of 60 m with fixed time per trip being 25
seconds. What is its effective
cycle time?
(a) 54.25 seconds
(b) 55.50 seconds
(c) 56.75 seconds
(d) 58.75 seconds
Ans. (d)
4. Which one of the following relates to determination of critical path in PERT?
(a) Event oriented slack
(b) Activity oriented float
(c) Event oriented float
(d) Activity oriented slack
Ans. (a)
5. In order to achieve a safe compressive strength of 20 kg/cm2 in a brick masonary, what should be the
suitable range of crushing
strength of bricks?
(a) 35kg/cm2 to 70 kg/cm2
(b) 70 kg/cm2 to 105 kg/cm2
(c) 105 kg/cm2 to 125 kg/cm2
(d) More than 125 kg/cm2
Ans. (b)
6. What is the requirement of water (expressed as % of cement w/w) for the completion of chemical
reactions in the process of
hydration of OPC?
(a) 10 to 15%
(b) 15 to 20%
(c) 20 to 25%
(d) 25 to 30%
Ans. (c)
7. Which factors comprise maturity of concrete?
(a) Compressive strength and. flexural strength of concrete /
(b) Cement content per cubic metre and compressive strength of concrete
(c) Curing age and curing temperature of concrete
(d) Age and aggregate content per cubic metre of concrete
Ans. (c)
8. What is the minimum value of individual tests results (in N/mm2) for compressive strength
compliance requirement for concrete
M20 as per codal provision?
(a) fck 1
(b) fck 3
(c) fck 4
(d) fck 5
Ans. (c)
9. For what reason is it taken that the nominal maximum size of aggregate may be as large as possible?
(a) Larger the maximum size of aggregate, more the cement required and so higher the strength.
(b) Larger the maximum size of aggregate, smaller is the cement requirement for particular water
cement ratio and so more
economical the mix.
(c) Larger the maximum size of aggregate, lesser are the voids in the mix and hence also lesser the
cement required.
(d) Larger the maximum size of aggregate, more the surface area and better the bond between
aggregates and cement, and so higher
the strength.
Ans. (d)
10. What is the modulus of elasticity of standard timber (Group B) in (MN/cm2)?
(a) 0.5 to 1.0
(b) 1.0 to 1.25
(c) 1.25 to 1.5
(d) 1.5 to 1.75
Ans. (b)
11. What is the treatment for making timber fire- resistant?
(a) ASCU treatment
(b) Abel’s process
(c) Creosoting
(d) Tarring
Ans. (b)
12. How is the process of treatment of wood using a preservative solution and forcing air in at pressure
designated?
(a) Ruping process
(b) Lawri process
(c) Full cell process
(d) Empty cell process
Ans. (d)
13. Modular bricks are of nominal size 20 × 10 × 10cm and 20% of the volume is lost in mortar between
joints. Then what is the
number of modular bricks required per cubic meter of brick work?
(a) 520
(b) 500
(c) 485
(d) 470
Ans. (d)
14. A solid metal of uniform sectional area throughout its length hangs vertically from its upper end.
Devails of the bar are:
length = 6m, material density = 8 × 10-5 N/mm3 and B =2 × 1o5 N/mm2. What will be the total
elongation of the bar in mm?
(a) 288/104
(b) 48/104
(c) 144/104
(d) 72/104
Ans. (d)
15. What is the representative geometric mean size of an aggregate sample if its fineness modulus is
3.0?
(a) 150 µm
(b) 300 µm
(c) 600 µm
(d) 12 µm
Ans. (c)
16. A square steel bar of 50 mm side and 5m long is subjected to a load where upon it absorbs a strain
energy of 100 J. What is
its modulus of resilience?
(a) 1/125 Nmm/ mm3
(b) 125 mm3/Nmm
(c) 1/125 Nmm/ mm3
(d) 100 mm3/Nmm
Ans. (a)
17. What is the ratio of flexural strength (fcr) to the characteristic compressive strength of concrete (fck)
for M25 grade concrete?
(a) 0.08
(b) 0.11
(c) 0.14
(d) 0.17
Ans. (c)
18. Which of the following tests compares the dynamic modulus of elasticity of samples of concrete?
(a) Compression test
(b) Ultrasonic pulse velocity test
(c) Split test
(d) Tension test
Ans. (b)
19. Which one of the following is correct regarding the most effective requirements of durability in
concrete?
(a) Providing reinforcement near the exposed concrete surface
(b) Applying a protective coating to the exposed concrete surface
(c) Restricting the minimum cement content and the maximum water cement ratio and the type of
cement
(d) Compacting the concrete to a greater degree.
Ans. (c)
20. What is the radius of Mohr’s circle in case of bi-axial state of stress?
(a) Half the sum of the two principal stresses
(b) Half the difference of the two principal stresses
(c) Difference of the two principal stresses
(d) Sum of the two principal stresses
Ans. (b)
21. A square beam laid flat is then rotated in such a way that one of its diagonal becomes horizontal.
How is its moment capacity
affected?
(a) Increases by 41.4%
(b) Increases by 29.27%
(c) Decreases by 29.27%
(d) Decreases by 41.4%
Ans. (d)
22. A timber beam is 100 mm wide and 150 mm deep. The beam is simply supported and carries a
central concentrated load W. If the
maximum stress in shear is 2 N/mm2, what would be the corresponding load W on the beam?
(a) 20 kN
(b) 30 kN
(c) 40 kN
(d) 25 kN
Ans. (c)
23. A 40 mm diameter shaft is subjected to a twisting moment M2. If shear stress developed in shaft is 5
N/mm2,.What is the value of
the twisting moment?
(a) 628.8 Nm
(b) 328.4 Nm
(c) 62.8 Nm
(d) 30.4 Nm
Ans. (c)
24. A fixed end beam of uniform cross-section is loaded uniformly throughout the span. What is the
proportion of the bending
moment at the centre to the end moment considering only elastic conditions?
(a) 1 : 1
(b) 1 : 2
(c) 1 : 4
(d) 2 : 3
Ans. (b)
25. Steel of yield strength 400 MPa has been used in a structure. What is the value of the maximum
allowable tensile strength?
(a) 240 MPa
(b) 200 MPa
(c) 120 MPa
(d) 96 MPa
Ans. (a)
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1) Mrs. Watsherface had a garage sale. A custmer named Gina bought an old lamp and a
rug. She paid a total of $5.25 for everything. The rug cost 25 cents more than the lamp. How
much did each cost?
Answer: The lamp cost $ 2.50 and the rug cost $ 2.75
2) SlowRun Express runs between Bangalore and Mumbai, For the up as well as the down
journey, the train leaves the starting station at 10:00 PM everyday and reaches the
destination at 11:30 PM after three days.Mr. Haani once travelled by SlowRun Express from
Mumbai to Bangalore. How many SlowRun Express did he cross during his journey?
Answer: Mr. Haani crossed 7 SlowRun Expresses during his journey.
3) In a certain year, the number of girls who graduated from City High School was twice the
number of boys. If 3/4 of the girls and 5/6 of the boys went to college immediately after
graduation, what fraction of the graduates that year went to college immediately after
graduation?
Answer: Assume that number of boys graduated from City High School = B
Therefore, number of girls graduated from City High School = 2*B
It is given that 3/4 of the girls and 5/6 of the boys went to college immediately
after graduation.
Hence, total students went to college
= (3/4)(2*B) + (5/6)(B)
= B * (3/2 + 5/6)
= (7/3)B
Fraction of the graduates that year went to college immediately after graduation
= [(7/3)B] / [3*B]
= 7/9
Therefore, the answer is 7/9
4) A mule and a donkey were carrying full sacks on their backs. The mule started
complaining that his load was too heavy. The donkey said to him Why are you complaining?
If you gave me one of your sacks Id have double what you have and if I give you one of my
sacks wed have an even amount.How many sacks were each of them carrying? Give the
minimal possible answer.
Answer: The mule was carrying 5 sacks and the donkey was carrying 7 sacks.
5) Two people enter a race in which you run to a point and back. Person A runs 20 mph to
and from the point. Person B runs to the point going 10 mph and 30 mph going back. Who
came in first?
Answer: Person A came in first.

Oil and Natural Gas Corporation (ONGC) Trainee Modal Papers