πŸ“Š Mechanical Measurements
Q. Which of the following can be used as thermal detector?
  • (A) Thermistor
  • (B) Pyrometer
  • (C) Thermocouple
  • (D) Any of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) Any of the above
πŸ“Š Mechanical Measurements
Q. The electricl resistarice of a wire is
  • (A) Directly proportional to diameter and inversely proportional to length
  • (B) Directly proportional to length and inversely proportional to diameter
  • (C) Directly proportional to length and diameter
  • (D) Inversely proportional to resistance and length
πŸ’¬ Discuss
βœ… Correct Answer: (A) Directly proportional to diameter and inversely proportional to length
πŸ“Š Mechanical Measurements
Q. Which of the following temperature is highest.
  • (A) Melting point of gold
  • (B) melting point of silver
  • (C) melting point of steel
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) None of the above
πŸ“Š Mechanical Measurements
Q. Which of the following device can be used to give an indication for temperature changes?
  • (A) Thermistor
  • (B) Bourden gauge
  • (C) Transistor
  • (D) Thermocouple
πŸ’¬ Discuss
βœ… Correct Answer: (D) Thermocouple
πŸ“Š Mechanical Measurements
Q. A simple ac amplifier may be used to amplify dc input through use of an additional circuit component known as
  • (A) tuned amplifier
  • (B) carrier
  • (C) chopper
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) chopper
πŸ“Š Mechanical Measurements
Q. Positive displacement flow meters are
  • (A) variable area flow meter
  • (B) differential pressure flow meter
  • (C) quantity flow meter
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) quantity flow meter
πŸ“Š Mechanical Measurements
Q. Which of the following meter is preferred for the measurement of pressure in a steam condenser?
  • (A) Manometer
  • (B) Kentometer
  • (C) Pitot tube
  • (D) Mcleod gauge
πŸ’¬ Discuss
βœ… Correct Answer: (B) Kentometer
πŸ“Š Mechanical Measurements
Q. A rotameter is used to measure
  • (A) velocity of liquids
  • (B) pressure of gases
  • (C) specific gravity of liquids
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) velocity of liquids
πŸ“Š Mechanical Measurements
Q. Which of the following transducer is preferred for measurements involving sound?
  • (A) Piezoelectric pick up
  • (B) Photoemissive cell
  • (C) Volt box
  • (D) Kundt's tube
πŸ’¬ Discuss
βœ… Correct Answer: (A) Piezoelectric pick up

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