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GAIL Placement Papers Instrumentation/Mech Question Paper With Answers

GAIL Placement Papers

GAIL Placement PapersIf you wish to do job in this well reputed organization, you have to crack the GAIL Recruitment Exam first. For this concern, you need GAIL Placement Papers, so candidates who are going to appear in exam they may get the GAIL Question Paper With Answers through this page. Here you may also get the Instrumentation and Mechanical questions with answers which will help you a lot to crack the exam. 

GAIL Limited is the biggest nationalized natural gas processing and allotment organization in India. To get more details regarding GAIL Placement Papers you need to go through the below section of this page which is created by the team members of www.recruitmentinboxx.com

GAIL Placement Papers

GAIL Placement Papers (Instrumentation):

Question 1: Which instrument is based on induction principle?

  1. Dynamometer wattmeter
  2. Induction wattmeter
  3. Energy meter
  4. Both (b) and (c)

Answer: 4

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Question 2: The D’Arsonval- movement can be converted into audio frequency ac ammeter by adding a

  1. thermocouple
  2. transducer
  3. chopper
  4. rectifier

Answer: 4

Question 3: The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H. It reads 250 V when a 250 V dc is applied. If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be

  1. 260 V
  2. 252 V
  3. 250 V
  4. 248 V

Answer: 4

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Question 4: In a CRO which of the following is not a part of electron gun

  1. cathode
  2. grid
  3. accelerating anode
  4. X – Y plates

Answer: 4

Question 5: The angle δ for a mica capacitor is about

  1. 25°
  2. 15°

Answer: 4

Do You Know:

Question 6: An accelerometer has a seismic mass of 0.05 kg and spring constant of 3 x 105 N/m. If maximum displacement of mass is ± 1 mm, the maximum acceleration which can be measured is

  1. 30 m/s2
  2. 60 m/s2
  3. 90 m/s2
  4. 120 m/s2

Answer: 2

Question 7: If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms

  1. the bridge cannot be balanced
  2. the bridge can be balanced
  3. the bridge is balanced for some specified value of frequency
  4. the bridge is balanced for some specific values of R1, R2, R3

Answer: 1

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Question 8: A moving iron voltmeter reads 250 V when connected to 250 V dc. If connected to 250 V 50 Hz, the voltmeter reading is likely to be

  1. 250 V
  2. 252 V
  3. 248 V
  4. 210 V

Answer: 3

Question 9: A single element strain gauge bridge has two fixed resistances R1 and R1 of 120 Ω each and a variable resistance which gives full deflection at 120 Ω for zero strain and 120.6 Ω for straine e. If gauge factor is 2, strain e is

  1. 0025
  2. 0035
  3. 005
  4. 0075

Answer: 1

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Question 10: Which of these has poor overload capacity?

  1. PMMC instrument
  2. Hot wire instrument
  3. Dynamometer instrument
  4. Both (a) and (c)

Answer: 2

GAIL Question Paper With Answers (Mechanical):

Question 11: Rapping allowance is provided on a pattern to take care of

  1. shrinkage
  2. distortion
  3. machining
  4. easy withdrawal

Answer: 4

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Question 12: The friction experienced by a body, when in motion, is known as

  1. rolling friction
  2. dynamic friction
  3. limiting friction
  4. static friction

Answer: 2

Question 13: Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity

  1. v
  2. v/2
  3. v/4
  4. v/8

Answer: 2

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Question 14: The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is

  1. sin θ
  2. cos θ
  3. tan θ
  4. cosec θ

Answer: 1

Question 15: A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)

  1. P = W tanα
  2. P = W tan(α + φ)
  3. P = W (sinα + μcosα)
  4. P = W (cosα + μsinα)

Answer: 3

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Question 16: The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

  1. equal to
  2. less than
  3. greater than

Answer: 1

Question 17: The range of a projectile is maximum, when the angle of projection is

  1. 30°
  2. 45°
  3. 60°
  4. 90°

Answer: 2

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Question 18: The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

  1. static friction
  2. dynamic friction
  3. limiting friction
  4. coefficient of friction

Answer: 3

Question 19: The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

  1. Correct
  2. Incorrect

Answer: 1

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Question 20: When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

  1. simple pendulum
  2. compound pendulum
  3. torsional pendulum
  4. second’s pendulum

Answer: 2

GAIL Interview Questions

  • About yourself?
  • Why should I hire you?
  • What are your strengths and weaknesses?
  • Why do you want to work at our company?
  • What is the difference between confidence and over confidence?
  • What is the difference between hard work and smart work?
  • How do you feel about working nights and weekends?
  • Can you work under pressure?
  • Are you willing to relocate or travel?
  • What are your goals?
  • What motivates you to do good job?
  • What makes you angry?
  • Give me an example of your creativity.
  • How long would you expect to work for us if hired?
  • Are not you overqualified for this position?
  • Describe your ideal company, location and job.
  • What are your career options right now?
  • Explain how would be an asset to this organization?
  • What are your outside interests?
  • Would you lie for the company?

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