Instrumentation Practices in Industries Mid - II, November - 2014

1.Vertical speed indicator works based on
  • Pitot-pressure
  • Static pressure
  • Gyroscopic principle
  • Magnetic
Answer: B
2.Engine speed can be measured by which of the following devices
  • AC Tacho generator
  • DC Tacho generator
  • Eddy current drag cup tachometer
  • All the above
Answer: D
3.If ‘w’ is the radiation power, T is the temperature then the radiation intensity is
  • T
  • 2T
  • 3T
  • 4T
Answer: D
4.Which of the following quantity is measured by Fuel Quantity Meter?
  • Flow
  • Level
  • Pressure
  • None
Answer: B
5.The angle of dip is zero at
  • Near the pole
  • Near the equator
  • Always parallel to earth’s surface
  • None of the above
Answer: B
6.A gyroscope has ________ degrees of freedom
  • 2
  • 3
  • 4
  • 5
Answer: B
7.The earth rotates at _______ degrees per hour
  • 15
  • 20
  • 40
  • 50
Answer: A
8.In an electric gyro horizon, _____ works as the vertical gyroscope
  • 3 phase squirrel cage induction motor
  • DC motor
  • Stepper motor
  • None of the above
Answer: A
9.The power of a magnet is concentrated at its
  • Centre
  • Ends
  • Uniform
  • None of the above
Answer: B
10.Unit for magnetic flux density is
  • Weber
  • Bar
  • Tesla
  • None of the above
Answer: C
11._________________is the difference between the pressure of fluid and absolute zero pressure.
Answer: Absolute pressure
12.__________________are formed by connecting two diaphragms to form a chamber.
Answer: Capsule
13.The relative permittivity of air is____________.
Answer: 1
14.Capacitive index is give by___________.
Answer: (K-1)/p
15.________________should be worn for eye protection in hazardous areas.
Answer: Goggles
16.On Blockage of pitot-tube while static tube kept open, the air speed indicator acts as ________________ meter.
Answer: Vertical speed
17.The angle that the line of force makes with the earth’s surface at any given place is called _________________.
Answer: Angle of dip /magnetic dip
18.____________________ are used to measure the exhaust gas temperature of engine.
Answer: Thermo couple
19.Pneumatically powered gyro system is NOT used as _________________ indicator.
Answer: Turn & slip
20.As the altitude increases, the density decreases, so the indicated air speed is ________________ than the true air speed.
Answer: Lower