EIL Exam Previous Question Papers

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EIL Management Trainee Quantitative Aptitude Question Paper
1. A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. of brand A are needed to make 40kgs. of the mixture?

Ans. Brand A needed is 24kgs.

2. A wizard named Nepo says “I am only three times my son’s age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old.” How old is Nepo?

Ans. 360 years old.

3. One dog tells the other that there are two dogs in front of me. The other one also shouts that he too had two behind him. How many are they?

Ans. Three.

4. A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

Ans. Eight.

5. If it takes five minutes to boil one egg, how long will it take to boil four eggs?

Ans. Five minutes.

6. Three containers A, B and C have volumes a, b, and c respectively; and container A is full of water while the other two are empty. If from container A water is poured into container B which becomes 1/3 full, and into container C which becomes 1/2 full, how much water is left in container A?

7. ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE?

Ans. AE = 10.

8. In the given figure, PA and PB are tangents to the circle at A and B respectively and the chord BC is parallel to tangent PA. If AC = 6 cm, and length of the tangent AP is 9 cm, then what is the length of the chord BC?

Ans. BC = 4 cm.

9 Three cards are drawn at random from an ordinary pack of cards. Find the probability that they will consist of a king, a queen and an ace.

Ans. 64/2210.

10. A number of cats got together and decided to kill between them 999919 mice. Every cat killed an equal number of mice. Each cat killed more mice than there were cats. How many cats do you think there were ?

Ans. 991.

11. If Log2 x – 5 Log x + 6 = 0, then what would the value / values of x be?

Ans. x = e2 or e3.

12. The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten’s place of the original number is equal to twice the difference between its digits. What is the number?

Ans. 46

13.Can you tender a one rupee note in such a manner that there shall be total 50 coins but none of them would be 2 paise coins.?

Ans. 45 one paisa coins, 2 five paise coins, 2 ten paise coins, and 1 twenty-five paise coins.

14.A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. How much time would it take the monkey to reach the top?

Ans.18 hours.

15. What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12

Ans. 9

16. The minute hand of a clock overtakes the hour hand at intervals of 64 minutes of correct time. How much a day does the clock gain or lose?

Ans. 32 8/11 minutes.

17. Solve for x and y: 1/x – 1/y = 1/3, 1/x2 + 1/y2 = 5/9.

Ans. x = 3/2 or -3 and y = 3 or -3/2.

18. Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?

Ans. 20 %.

19. Find the least value of 3x + 4y if x2y3 = 6.

Ans. 10.

20. Can you find out what day of the week was January 12, 1979?

Ans. Friday.

21. A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per head. At the end of 7 days a reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams per head. How, many more men can it feed?

Ans. 1700 men.

22. From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?

Ans. 3720.

23. Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?

Ans. 167 minutes.

24. A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?

Ans. 3 hours 20 minutes.

25. Mr. Shah decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?

Ans.46 steps.

1. six members of a familyare travelling these are a,b,c,d,e, and f. b is the son of c but c is not mothers of b. a and c are a married couple, e is the brother of c. d is the daughter of a. f is the brother of b.

who is the wife of e:

(a) a

(b)f

(c)b

(d) cant be determined

2.six members of a familyare travelling these are a,b,c,d,e, and f. b is the son of c but c is not mothers of b. a and c are a married couple, e is the brother of c. d is the daughter of a. f is the brother of b.

which of following is pair of female

(a)ae

(b)bd

(c)df

(d)ad

3. six members of a familyare travelling these are a,b,c,d,e, and f. b is the son of c but c is not mothers of b. a and c are a married couple, e is the brother of c. d is the daughter of a. f is the brother of b.

how is e related to d:

(a) father

(b)brother

(c)uncle

(d)none of these

4.there is a group of five teachers a,b,c,d and e

- b and c teaches maths and geography

- a and c teach maths and history

- b and d teach political science and geofraphy

- d and e tech political science and biology

- e teaches biology, history, and political science

who teaches political science, geography and biology

(a)e

(b)d

(c)c

(d)b

5. there os a group of five teachers a,b,c,d and e

- b and c teaches maths and geography

- a and c teach maths and history

- b and d teach political science and geofraphy

- d and e tech political science and biology

- e teaches biology, history, and political science

who teaches in mathematics, political science and geography:

(a) a

(b)b

(c)d

(d)e

6. there os a group of five teachers a,b,c,d and e

- b and c teaches maths and geography

- a and c teach maths and history

- b and d teach political science and geofraphy

- d and e tech political science and biology

- e teaches biology, history, and political science

who teaches maths, geography and history

(a) c

(b)e

(c)a

(d)b

7. there os a group of five teachers a,b,c,d and e

- b and c teaches maths and geography

- a and c teach maths and history

- b and d teach political science and geofraphy

- d and e tech political science and biology

- e teaches biology, history, and political science

who teaches maths, geography and history

(a) e

(b)a

(c)d

(d)c

8.there os a group of five teachers a,b,c,d and e

- b and c teaches maths and geography

- a and c teach maths and history

- b and d teach political science and geofraphy

- d and e tech political science and biology

- e teaches biology, history, and political science

who teaches political science, history and biology

(a)a

(b)b

(c)c

(d)e

9.1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how is ravi related to raju

(a)brother

(b)uncle

(c)cousin

(d)maternal uncle

10.1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how ravi related to ashok

(a)maternal uncle

(b)cousin

(c)brother in law

(d)father in law

11.1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how is ram related to suresh:

(a)brother

(b)cousin

(c)uncle

(d)brother in law

12. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

what is the surname of sanjay:

(a) chawla

(b) chopra

(c) khanna

(d) suresh

13. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how is ram related to rita:

(a) brother

(b) uncle

(c) maternal uncle

(d) cousin

14. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

renu is sanjay’s ———-

(a) sister

(b)sister in law

(c)aunty

(d)cousin

15. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

raju’s sur name is:

(a) chawla

(b)khanna

(c)chopra

(d)none of these

16. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

sumit and suresh are related as:

(a) brother in law

(b)cousin

(c)brother

(d)uncle

17. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how sonu related to ravi.

(a) brother

(b)brother in law

(c)nephew

(d)father

18.1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how garima is related to mr. & mrs. khanna:

(a)daughter

(b)neice

(c)sister in law

(d)daughter in law

19. 1.gita, ravi and suresh are children of. mr. and mrs. khanna

2. renu,raja and sumit are children of mr. and mrs. chopra

3. sumit and gita are married and ashok and sanjay their children

4. garima and ram are children of mr. and mrs. chawla/

5 garima is married to suresh and has three children rata,sonu,raju

how ashok and sanjay are lated to mr. mrs. copra:

(a)sons

(b)nephews

(c)grand son

(d)none of these

20. in the office amongst staff a,b,c,d ,e of g. h there is only computer. a programe has to be made and can be made by only one person at a time. the office has 3 shifts, the morning shift from 6 am-12 am has 3 staff, afternoon shift from 12am. to 6 pm. has 3 staff, evening shift from 6 pm to 12 pm has 2 staff one of the person did not used a printer:

1 b is the last person who use the computer

2 h use the computer after a and came iwth a

3 d used the computer after h and come with h but before e

4 c used the computer before b but arrived after e

5 a use the computer before f and arrived before g

if g used a computer justbefore c who use 4:

(a) a

(b)b

(c)e

(d)d

21. in the office amongst staff a,b,c,d ,e of g. h there is only computer. a programe has to be made and can be made by only one person at a time. the office has 3 shifts, the morning shift from 6 am-12 am has 3 staff, afternoon shift from 12am. to 6 pm. has 3 staff, evening shift from 6 pm to 12 pm has 2 staff one of the person did not used a printer:

1 b is the last person who use the computer

2 h use the computer after a and came iwth a

3 d used the computer after h and come with h but before e

4 c used the computer before b but arrived after e

5 a use the computer before f and arrived before g

who arethe person in the night shift.

(a)f g

(b)f e

(c)b e

(d)b c

22. in the office amongst staff a,b,c,d ,e of g. h there is only computer. a programe has to be made and can be made by only one person at a time. the office has 3 shifts, the morning shift from 6 am-12 am has 3 staff, afternoon shift from 12am. to 6 pm. has 3 staff, evening shift from 6 pm to 12 pm has 2 staff one of the person did not used a printer:

1 b is the last person who use the computer

2 h use the computer after a and came iwth a

3 d used the computer after h and come with h but before e

4 c used the computer before b but arrived after e

5 a use the computer before f and arrived before g

who use the 2nd computer

(a) a

(b)h

(c)d

(d)e

23. in the office amongst staff a,b,c,d ,e of g. h there is only computer. a programe has to be made and can be made by only one person at a time. the office has 3 shifts, the morning shift from 6 am-12 am has 3 staff, afternoon shift from 12am. to 6 pm. has 3 staff, evening shift from 6 pm to 12 pm has 2 staff one of the person did not used a printer:

1 b is the last person who use the computer

2 h use the computer after a and came iwth a

3 d used the computer after h and come with h but before e

4 c used the computer before b but arrived after e

5 a use the computer before f and arrived before g

who are the person in the morning shift

(a) hec

(b)ahd

(c)efg

(d)dec

24. in the office amongst staff a,b,c,d ,e of g. h there is only computer. a programe has to be made and can be made by only one person at a time. the office has 3 shifts, the morning shift from 6 am-12 am has 3 staff, afternoon shift from 12am. to 6 pm. has 3 staff, evening shift from 6 pm to 12 pm has 2 staff one of the person did not used a printer:

1 b is the last person who use the computer

2 h use the computer after a and came iwth a

3 d used the computer after h and come with h but before e

4 c used the computer before b but arrived after e

5 a use the computer before f and arrived before g

who takes first computer

(a) a

(b)h

(c)d

(d)e

25. seven persons p,q,r,s,t,u,v and w are to be assigned seven adjacent chambers on the same floor in a apartment according to following conditions:

1 u is assigned as far away from r as t is

2 p and r prefer to have adjacent chanmbers

3 v will have to be assigned chamber no. 5

4 q;s work requirs him to speak on phone frequently through out the day.

5 p, s and t all smoke. v is allergic to toacco smoke and must have non smoker in the chamber ajjacent own.

6 unless otherwise specified all employeed maintain silence in their chambers.

the best location of s in on the floor is:

(a)2

(b)3

(c)4

(d)7

Answers:

1 d 2 d 3 c 4 b 5 b 6 c

7 d 8 d 9 b 10 a 11 d 12 b

13 c 14 c 15 b 16 a 17 c 18 d

19 c 20 c 21 d 22 b 23 b 24 a 25 a


EIL MT Exam Question Paper
Q.A wave will not experience any reflection when impedance of line is equal to

a surge impedance

b load impedance

c >surge impedance

d

Ans: surge impedance

Q.if the length of a wire is increased what happens to its resistance

a increases linearly

b increases exponentially

Q.for a current carrying coil if the current is doubled then the field strength is

a doubled

b halved

c increased 4 times

Q.a capacitor of 10 micro farads is charged thruogh a resistor of 10 ohms and a 6 V battery. Calculate the time taken by the capacitor to charge to its maxm value.

a 1 sec

b 100 sec

c 0.1 sec

d 10 sec

Q.what current is drawn by a 10 W lamp connected to a 220 V,60 Hz source.

a 1 A

b 0.5 A

c 0.045 A

d 0.01 A

Ans: 0.045

Q.At present how many HVDC lines are there in india?

a none

b one

c two

d more than two

Q.What is the distance between the EHV lines and earth?

a 8m

b 11m

c 18m

d 15m

Q.On no load in EHV lines what is the relation between receinving and sending end voltage?

a receiving end voltage > sending end voltage

b receiving end voltage sending end voltage

Q.What is the surge impedance loading of 400kv line?

a 400 MW

b 400 KW

c 1600 MW

d 1600 KW

Ans: 400 MW

Q.What is the surge impedance loading of 400kv line with surge impedance given as 160 ohms

a 1000 MW

b 1000 KW

c 256 MW

d 256 KW

Ans: 1000 MW

Q.Where is the hydel power plant located in following places?

a Raamagundam

b Tarapur

c Kalpakam

d Srisailam

Ans: Raamagundam

Q.self GMD is used in the calculation of_______

a inductance only

b inductance and capacitance

c capacitance only

d none

Ans: inductance only

Q.What is the GMD if the distance between the lines are 6m,6m,12m?

a 7.55m

b 6m

c 12m

d 8.56m

Ans: 7.55m

Q.Zero sequence currents doesn’t exist in the following fault

a L-G

b L-L

c L-L-G

d L-L-L-G

Ans: L-L

1. An open loop control system has its

(a) control action independent of the output or desired quantity

(b) controlling action, depending upon human judgment

(c) internal system changes automatically taken care of

(d) both (a) and (b)

(e) all (a),(b) and (c)

2. A servo system must have

(a) feedback system

(b) power amplifier to amplify error

(c) capacity to control position or its derivative

(d) all of these

(e) none of these

3. The major disadvantage of a feedback system may be

(a) Inaccuracy

(b) inefficiency

(c) Unreliability

(d) instability

(e) Insensitivity

4. Properties of a transfer function

(a) It is ratio of two polynomials is S and assumes zero initial conditions

(b) It depends on system elements and not input and output of the system

(c) Coefficients of the powers of S in denominator and numerator are all real constant. The order of denominator is usually greater than or equal to the order of numerator

(d) All of these

(e) It is a function which transfer one physical system into another physical system.

5. The classical analogous of a simple lever is

(a) Capacitor bridge

(b) transformer

(c) mutual inductor

(d) either of these

6. Two blocks G1(s) and G2(s) can be cascaded to get resultant transfer function as

(a) G1(s) + G2(s)

(b) G1(s) / G2(s)

(c) G1(s) G2(s)

(d) 1+G1(s) G2(s)

(e) 1-G1(s)G2(s)

(f) two blocks cannot be cascaded

7. The principles of homogeneity and super position can be applied to

(a) linear time invariant system

(b) non-linear time invariant system

(c) digital control system

(d) both (a) and (b)

8. Pick up the nonlinear system

(a) automatic voltage regulator

(b) d.c. servomotor with high field excitation

(c) temperature control of a furnaces using thermistor

(d) speed control using SCR

(e) all of these

9. Signal flow graph (SFG) is a

(a) polar graph

(b) semi log graph

(c) log log graph

(d) a special type of graph for analyzing modem control system

(e) a topological representation of a set of differential equations

10. Disadvantages of magnetic amplifier

(a) time lag, less flexible, non-sinusoidal waveform

(b) low power consumption and isolation of the active circuit

(c) saturation of the core

(d) all of these

11. Pick up false statement regarding magnetic amplifiers

(a) The gate coil of an ideal magnetic amplifier has either zero or infinite inductance

(b) Resistance of control and gate winding is very small

(c) Magnetic amplifier gas dropping load characteristics

(d) Magnetic amplifiers are not used to control the speed of d.c. shunt motor

(e) Magnetic amplifiers can be used in automatic control of electric drivers of higher rating.

12. High power amplification is achieved by using

(a) push pull amplifier

(b) amplidyne

(c) magnetic amplifier

(d) DC amplifier

(e) D.C. generator

13. Pick up false statement regarding servomotors

(a) The d.c. servomotors are lighter than equivalent a.c. servomotors

(b) The d.c. servomotors develops higher starting and reversing torque than equivalent a.c. servomotor.

(c) A drag cup a.c. servomotor has one windings on stator and other on rotor

(d) Output power of servomotors varies from 1/20 W to 100 W

14. To reduce steady state error

(a) decrease natural frequency

(b) decrease damping

(c) increase damped frequency

(d) increase time constant

(f) increase gain constant of the system

15. A good factor for Mp should be

(a) less than 1

(b) lying between 1.1 and 1.5

(c) more than 2.2

(d) zero

(e) infinity

16. Pick up false statement. Routh-Hurwitz criterion

(a) is used for determining stability of a system

(b) is an algebraic procedure

(c) gives the exact location of roots of the characteristic equation

(d) does not indicate relative degree of stability or instability

17. Which of the following is the time domain method of determining stability of a control system

(a) Bode plot

(b) Nyquist plot

(c) Nicholos chart

(d) Routh-Hurwitz array

(e) Constant M and (fy) locus

(f) Root locus technique

18. The technique which gives transient response quickly as well as stability information is

(a) Nyquist plot

(b) Routh-Hurwitz criteria

(c) Bode plot

(d) Root locus plot

(e) Nichols plot

1) Instrument is a device for determining

(a) the magnitude of a quantity

(b) the physics of a variable

(c) either of the above

(d) both (a) and (b)

(2) Electronic instruments are preferred because they have

(a) no indicating part

(b) low resistance in parallel circuit

(c) very fast response

(d) high resistance in series circuit

(e) no passive elements.

(3) A DC wattmeter essentially consist of

(a) two ammeters

(b) two voltmeters

(c) a voltmeter and an ammeter

(d) a current and potential transformer

(4) Decibel is a unit of

(a) power

(b) impedance

(c) frequency

(d) power ratio

(5) A dc voltmeter may be used directly to measure

(a) frequency

(b) polarity

(c) power factor

(d)power

(6) An accurate voltmeter must have an internal impedance of

(a) very low value

(b) low value

(c) medium value

(d) very high value

(7) The insulation resistance of a transformer winding can be easily measured with

(a) Wheatstone bridge

(b) megger

(c) Kelvin bridge

(d) voltmeter

(8) A 100 V voltmeter has full-scale accuracy of 5%. At its reading of 50 V it will give an error of

(a) 10%

(b) 5%

(c) 2.5%

(d) 1.25%

(9) You are required to check the p. f. of an electric load. No p.f. meter is available. You would use:

(a) a wattmeter

(b) a ammeter, a voltmeter and a wattmeter

(c) a voltmeter and a ammeter

(d) a kWh meter

(10) The resistance of a field coil may be correctly measured by using

(a) a voltmeter and an ammeter

(b) Schering bridge

(c) a Kelvin double bridge

(d) a Maxwell bridge

(11) An analog instrument has output

(a) Pulsating in nature

(b) Sinusoidal in nature

(c) Which is continuous function of time and bears a constant relation to its input

(d) Independent of the input quantity

(12) Basic charge measuring instrument is

(a) Duddel’s oscillograph

(b) Cathode ray oscillograph

(c) Vibration Galvanometer

(d) Bailastic Galvanometer

(e) Battery Charging equipment

(13) A.C. voltage can be measured (using a d.c. instrument) as a value obtained

(a) by subtracting the d.c. reading from it’s a.c. reading.

(b) Using the output function of the multimeter

(c) By using a suitable inductor in series with it

(d) By using a parallel capacitor with it

(e) None of the above

(14) A moving coil permanent magnet ammeter can be used to measure

(a) D. C. current only

(b) A. C. current only

(c) A. C. and D. C. currents

(d) voltage by incorporating a shunt resistance

(e) none of these

(15) Select the wrong statement

(a) the internal resistance of the voltmeter must be high

(b) the internal resistance of ammeter must be low

(c) the poor overload capacity is the main disadvantage of hot wires instrument

(d) the check continuity with multimeter, the highest range should be used.