SAIL Previous Years Placement Papers Questions and Answers

Rajeev Reddy Nareddula 4/12/2018

SAIL - Whole Test Paper Placement Paper Question and Answers

SAIL Management Trainee Electronics Model Questions And Answers

This post contains generally asked questions in three different sections such as:

• Aptitude
• Technical
• General Knowledge

Aptitude Questions:

Jagan went to another town covering 240 km by car moving at 60 kmph. Then he covered 400km by train moving at 100 kmph and then rest 200 km he covered by a bus moving at 50 kmph. The average speed during

the whole journey was:

80 kmph

70 kmph

75 kmph

72 kmph

Answer: 1

A shopkeeper buys 144 eggs at 90 paisa each. In the way 20 eggs were broken. He sold the remaining eggs at Rs. 1.20 each. The percentage gain or loss is

14.8% gain

12.9% gain

8.5% gain

4.8% gain

Answer: 2

Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance, the front wheel gets 10 revolutions more than the back wheel .What is the distance?

123

315

310

320

Answer : 2

A shop gives 10% discount on the purchase of an item. If paid for in cash immediately, a further discount of 12% is given. If the original price of the item is Rs. 250, what is the price of the article if a cash purchase is made?

Rs. 200

Rs. 195

Rs. 198

Rs. 190

Answer:3

Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take?

350

320

310

360

Answer: 4

20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution

3%

36%

20%

15%

Answer: 2

City A's population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population?

140

150

130

160

Answer: 3

A pipe of 2 inch diameter fills the water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?

10 minutes

15 minutes

30 minutes

45 minutes

Answer: 2

Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?

1/2

2/3

3

3/2

Answer: 4

A person wants to buy 3 paise and 5 paise stamps costing exactly one rupee. If he buys which of the following number of stamps he won't able to buy 3 paise stamps.

6

9

10

4

Answer: 2

A horse is tied at the corner of a rectangular field, whose length is 20m and width is 16m with a rope whose length is 14m. Find the area which the horse can graze?

156 sq.m.

154 sq.m.

164 sq.m.

144 sq.m.

Answer:2

There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls.

1

2

4

5

Answer :3

Which of the following fractions is less than 1/3

22/62

15/46

2/3

1

Answer: 2

There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?

2:1

1:3

1:2

1:4

Answer: 3

Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively. How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg, given that the quantities of band c are equal

70,15,15

50,25,25

60,20,20

40,30,30

Answer: 2

The area of a triangle is equal to the area of a square whose each side is 60 meters. The height of the triangle is 90 meters. The base of the triangle will be

75 m

85 m

65 m

80 m

Answer: 4

Sam and Rita was sitting in a park in the evening looking at the sunset to the horizon. What is the direction of their right hand side?

East

West

North

South

Answer: 2

It takes 40 men eight days to earn Rs. 2000.How many men will earn Rs.200 in two days?

10

14

16

20

Answer: 3

Ten men can finish construction of a wall in eight days. How much men are needed to finish the work in half-a-day?

80

100

120

160

Answer: 4

It was Wednesday on July 15, 1964. What was the day on July 15, 1965?

Thursday

Tuesday

Friday

None of these

Answer: 1

Technical Questions:

Two coils in differential connection have self-inductance of 2 mH and 4 mH and a mutual inductance of 0.15 mH. The equivalent inductance of the combination is

5.7 mH

5.85 mH

6 mH

6.15 mH.

Answer: 1

Opto-couplers combine

SITs and BJTs

IGBTs and MOSFETS

Power transformers and silicon transistor

Infrared light-emitting diode and a silicon photo transistor

Answer: 4

In TV system, vertical pulses are separated out from horizontal pulses by the use of

integrator

differentiator

sweep credit

sync separator

Answer: 4

Two point charges Q and -Q are located on two opposite corners of a square as shown in figure. If the potential at the corner A is taken as 1V, then the potential at B, the center of the square will be

Zero

(1/2)^1/2V

1 V

(2)^1/2V

Answer: 3

Frequency in the UHF range propagate by means of

Ground waves

Sky waves

Surface waves

Space waves.

Answer: 4

The efficiency of a chopper can be expected in the range

50 to 55 percent

65 to 72 percent

82 to 87 percent

92 to 99 percent

Answer: 4

The function of diplexer bridge in a TV transmitter is

to prevent the loading of several transmitters by video transmitter

to increase the bandwidth

to increase the power output

to increase the efficiency of transmission.

Answer: 1

Pure metals generally have

high conductivity and low temperature coefficient

high conductivity and large temperature coefficient

low conductivity and zero temperature coefficient

low conductivity and high temperature coefficient

Answer:4

The number of LED displays in duration in logic probe are?

1

2

4

1 or 2

Answer: 2

Which of these are two state device?

Lamp

magnetic tap

punched card

All the above

Answer: 4

A current transducer respond to?

steady current only

pulsating current only

both pulsating and steady

none of these

Answer: 2

-ogic analyser is?

a multi channel oscilloscope

similar to logic pulser

similar to current tracer

none of above

Answer: 1

The output impenitence of a logic pulser is?

-ow

High

.ay be low or high

$anht say

Answer: 1

Current I0 in the given circuit will be

10 A

3.33 A

20 A

2.5 A

Answer: 2

In the given circuit voltage 7 is reduced to half. The current will become

I 2

2 I

1.5 I

I ȼR2    9-   9$ 2

Answer: 1

The function          3 s           has

                         s   1   s   2

one zero, two poles

no zero, one pole

no zero, two poles

one zero, no pole

Answer: 1

The diameter of an atom is of the order

10-6 m

10-10 m

10-15 m

10-21 m

Answer: 2

If the d.c. valve of a rectified output is 300 V & peak to peak ripple voltage is 10 V, the ripple factor is

1.18%

3.33%

3.36%

6.66%

Answer: 2

Compared to a CB amplifier the CE amplifier has higher

current amplification

output dynamic resistance

leakage current

input dynamic resistance

all of the above

Answer: 5

Which of the following binary number is equivalent to BCD?

1010

1000

1001

None of these

Answer: 4

General Knowledge

Which pass was opened between India and China for trade?

Nathula

Khardungla

Chumbi

Solang

Answer: 1

‘Threat of global warming’ is increasing due to increasing concentration of:

Ozone

Nitrous oxide

Sulphur dioxide

Carbon dioxide

Answer: 4

The Finance Commission is primarily concerned with recommending to the President about:

The principle governing grants-in-aid to be given to the States

Distributing the net proceeds of the taxes between the Centre and the States

Neither nor

Both and

Answer: 4

The ball used in which of the games is usually oval in shape?

Rugby

Golf

Polo

Volleyball

Answer: 1

Rajya Sabha can delay the Finance Bill sent for its consideration by the Lok Sabha for a maximum period of

One month

One year

Seven days

Fourteen days

Answer: 4

Who is known a the first Law Officer of India?

Chief Justice of India

Law Minister of India

Solicitor General of India

Law Secretary

Answer: 3

Nathu La Pass is situated in which state?

Arunachal Pradesh

Assam

Meghalaya

Sikkim

Answer:4

As per recommendations of the Twelfth Finance Commission, percentage share of States of the shareable central taxes is?

28.5

29.5

30.5

32.4

Answer: 3

In India, national income is estimated by

Planning Commission

Central Statistical Organization

Indian Statistical Institute

National Sample Survey Organization

Answer: 2

Which one of the following is the time limit for the ratification of an emergency period by the Parliament?

14 days

1 month

3 months

6 months

Answer: 2

Which one of the following is not an objective of fiscal policy of Indian Government?

Full employment

Price stability

Regulation of inter-State trade

Equitable distribution of wealth and income.

Answer: 3

How many times has Financial Emergency been declared in India so far?

5 times

4 times

Once

Never

Answer: 4

What is earlier name of the present ‘National Library in Kolkata’?

Imperial library

British library

Royal library

Albert library

Answer: 1

Which one of the following motions can the Council of Ministers in India move?

No Confidence Motion

Censure Motion

Adjournment Motion

Confidence Motion

Answer: 4

The capital of Mauritius is

Male

Kabul

Suva

Port Louis

Answer: 4