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  #2  
17th September 2014, 11:58 AM
Super Moderator
 
Join Date: Apr 2013
Re: Previous years papers of GAIL Exam

As per your request here I am sharing the last year question paper of GAIL Placement Exam

GAIL Placement Exam Question Paper

1) Highest operting voltage for cable in overhead transmission?

2) Short transmision line?

3) 66 kv suitable for
a) STL B)MTL C) LTL D) NONE

4) In an ACSR conductor aluminium mainly helpful for
a) Mechanical strenght b) Insulation 3) Fatiuge

5) Advantage of corona greatly helpful in radio interference

6) Bundled conductor helpful in a) Surge impedance of line reduce 2) Interference with neighbouring communication decreases*

7) No.of poles incase of woundrotor induction motor

8) Best suitable for hight starting toruque in case of induction motor.

9) syncho\ronous motor overexcited behaves as*
a) leading b)lagging c) unity pfg

10) Relaive space betweenstator androtor is zero incae of*
a) Synchornous motor*b) Induction motor c) All d) none

11) Transformers which of the following is best protecting*system*
a) overcurrentrelay b) percentage differential relay 3( buchhcholz relay*

12) Reason for placing transformer winding in steel tank helpful in*
a) Mechanical protection b) Core redces

13) OC test on transformer mainly perform on lv side or hv side

14) On SC test in case of transformer can be neligible because of?

15) Operating cost of thermal or stream pwer plant would be*
a) Less than nuclear poerplant b) Less than the hydel plant* c) eu\qual oto to nucler plant

16) Fuel for gas or stream power pplant would be?

17) Initial value theorem is which of the folllowing?
Lt x-->o Sx(s) ass-->oo
*
18) Pulvarized coal used in thermal power plant*
a) Combution purpose b) Burning becomes easy

19) Equation given you need find out equivalent transfer function

20) For step w system ramp will be*
a) Infinity b) Finite c) Zero

21) pnnp of diode connection does not possible why?

22) scr is reversebiase then*
a) Two junction reverse biased b) Only one junction reverse biased c) Either of one may be forward bised*

23) In case of parallel caacitor chopper*
Ans: Circuit turn off time less than the main thyristor value

24) which of the following needs two power supplies" comparatoror diode or scr

25) Gate ulse willl be generated by*
a) Astable mv b) Monostable mv c) Bistable mv

26) How many logical gates willl be in case of astable vibrator

27) Successive approximtionneeds how many comparators

28) If resistance value of each side in case of delta connection would be 3 ohm then in caseof starit would be?

29) Which type of bridge method usefule for measuring small resistance?

30) Super position principle based on*
a) Reciprocity b) Linearity c) Duality

31) Question mainly*asked on behaviours of sine wave in case frequency domain time domain nearly questions from sine wave will be 5 from various topics.

32) What would happened if steady state error k then the gain?

33) DVM

34) CRO*

35) Potentiometer Qestions from each topic above said had covered
36) Incase of capacitor when you made give supply a) charge deposited inner plate charge deposited outer polacte

37) Medicumbetween capacitor place air or dielectric insultating or dielectric conduction*

38) From heated body to unheated body heat transfer by the prinicple of induction or conductin or dissipation

39) Avg, rms values for half wave rectifier

40) Chopper main principle

41) Two capacitors of same value C connected in series then equivalent capacitance vae

42) Function of*hwr rectifier in case of chopper

43) Constant Voltage Variable Frequency in chopper because of*
44) Question of op amp

45) Cyclo converters main principle*

46) Transformer principle

47) Power in ac circuit*
a) P= VI b) P=VI SIN OF c) P==VI COS

Part II:*2 questions on correction of sentence
2 questions on fill in the blanks
2 question* on articles
2 question of synonyms
3 questions on passsage
  #3  
22nd February 2015, 01:16 PM
Unregistered
Guest
 
Re: Previous years papers of GAIL Exam

I need the previous year placement paper of GAIL exam for the preparation of this exam so can you please provide me the same?
  #4  
22nd February 2015, 01:34 PM
Super Moderator
 
Join Date: Apr 2013
Re: Previous years papers of GAIL Exam

Ok here I am sharing the previous year placement paper of GAIL exam which you need

The paper included: 150 questions.

Negative marking: 1/4th
Total questions: 150 duration, 2.0 hours
Technical: 100

Aptitude+English+Gen awareness: 50 questions.

1) The resultant of parrallogram?
Ans: R=(P^2+Q^2+2PQCOSQ)^.5

2) Centre of gravity of hemi sphere?
Ans: 3r/8

3) Time of flight of a projectile?

4) Modulus of elasticity for a tapering section?

5) For what angle does maximum shear stress on a body exist when body is subjected to stress in one plain?

6) If a cantilever beam is loaded wid point load at its free end when the load increases at which section it will break first?

7) mx.torsion on a shaft is in what praportion to the dia of shaft?

8) 3-4 ques on spring stifness(numerical)?

9) What kind of rivet arrangement is called as diamond riveting?

10) Which among dese is not dimensionless?
a) Absolute viscosity b) Specific volume c) Specific gravity

11) Laminar flow characteristic related question?

12) Specific speed of turbine?

13) Unit power of turbine?

14) Discharge through a reciprocating pump for single and double acting

15) Which one is intensive property?
a) Entropy b) Enthalpy c) Density

16) Which among these has highest efficiency?
a) otto b) Diesel c)dual

17) Some efficiency related question on rankine cycle and brayton cycle

18) 3 questions from steam nozzle and turbine like nozzle efficency

19) Velocity related questions from impulse turbine

20) One numerical from gas turbine

21) Genral day to day life question based on heat transfer so understand the concept

22) One numerical based on cross and parallel flow

23) One numerical on LMTD

24) What is equivalent length of simple pendulam which gives the same frequency as compare to compound pendulam.

25) One numerical on no teeth and speed of gear

26) Pitch circle is what kind of circle in a gear one gear wid 200 teeths anodr wid 50 teeths meshed 2 gadren how many raotation of smaller gera will make 1 revolution of bigger gear
Ans: 4
27) 2 concept question on governers

28) 2 questions based on balancing of rotating masses

29) 2 questions related to vibration

30) 1 questions on limit fits and tolerance

31) What is endurance limit ratio

32) What is fatigue or stress concentration factor

33) What is the strength of riveted joint

34) What kind of thread is used if power is to be transmitted in 1 direction only

35) Overhauling case will have frictionb angle greater, equal or less than helix angle

36) what combination of material is used 4 bearing manufacture

37) Magnesium is added for which purpose

38) For achieving hardness which procees should be carried(Annealing, normalising, martempering etc)

39) 1 questions related to submerged welding

40) Which welding is done for joining shank of a drill bit (Flash butt welding)

41) What to be use for measuring angle and for locating the w/p at some angle

42) How many nomenclatures are there to completely define a single poin cutting tool

43) One concept question related to upmilling(climb milling)

44) To find out pessimistic time of any project (pert)

45) 2 very basic ques on (fire management)

46) 3 questions related to (Industrial production) like related to routing, schrduling etc

47) 3 economics question (depreciation value calculation, money related conceptual questions)

48) 2 question on (Product design)


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