πŸ“Š Mechanical Measurements
Q. Contraction or expansion due to changes in temperature can be measured by
  • (A) Tellurometer
  • (B) Dilatometer
  • (C) Thermocouple
  • (D) Fathometer
πŸ’¬ Discuss
βœ… Correct Answer: (B) Dilatometer
πŸ“Š Mechanical Measurements
Q. The accuracy depends upon
  • (A) Precision of instrument
  • (B) Precision of method
  • (C) Good planning
  • (D) All of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of the above
πŸ“Š Mechanical Measurements
Q. Which of the following is the area meter?
  • (A) venturimeter
  • (B) orifice meter
  • (C) rotameter
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) rotameter
πŸ“Š Mechanical Measurements
Q. A error that always follows the same definite mathematical or physical law is known as
  • (A) Detectable error
  • (B) Cumulative error
  • (C) Mathematical error
  • (D) Systematic error
πŸ’¬ Discuss
βœ… Correct Answer: (D) Systematic error
πŸ“Š Mechanical Measurements
Q. Which of the following is not a source of power?
  • (A) Solar cell
  • (B) Photovoltaic cell
  • (C) Thermo-couple
  • (D) Photoelectric cell
πŸ’¬ Discuss
βœ… Correct Answer: (C) Thermo-couple
πŸ“Š Mechanical Measurements
Q. A hot wire anemometer is used to measure
  • (A) Gas velocities
  • (B) Liquid discharges
  • (C) Pressure of gases
  • (D) Very low pressures
πŸ’¬ Discuss
βœ… Correct Answer: (A) Gas velocities
πŸ“Š Mechanical Measurements
Q. Which of the following transducers is preferred for measurements involving sound
  • (A) thermocouple
  • (B) Kundt's tube
  • (C) peizoelectric pick up
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) peizoelectric pick up
πŸ“Š Mechanical Measurements
Q. Which of the following magnetic material has least value of (B.H.)max?
  • (A) Alnico
  • (B) Cobalt steel
  • (C) Carbon steel
  • (D) 3.92 second
πŸ’¬ Discuss
βœ… Correct Answer: (C) Carbon steel

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