Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. The 'dead time' of the instrument is
a. The time required by an instrument for initial warming up
b. The time required by an instrument to begin to respond to a change in the measured value
c. The largest change of input quantity for which there is no output of the instrument
d. None of the above
e. 15?C
Q. The fine wire of which material is most commonly used for resistance thermometer
a. stainless steel
b. Aluminium
c. Nickel
d. None of the above
e. Any of the above
Q. Which of the following primary transducer does not convert velocity to pressure?
a. Orifice
b. Venture
c. Pitot tube
d. Vanes
e. All of the above
Q. Which of the following flow measuring instrument is an area meter?
a. Venturimeter
b. Rotameter
c. Pitot tube
d. Hot wire anemometer
e. None of the above
Q. A load cell cannot be used to measure
a. Weight
b. Temperature
c. Level
d. Pressure
e. All of the above
Q. Thermistors have
a. Zero temperature coefficient
b. Low and positive temperature coefficient
c. 14
d. High and negative temperature coefficient
e. Low and negative temperature coefficient
Q. The flow of non-conducting medium cannot be measured by
a. Orifice
b. Rotameter
c. Electro magnetic meter
d. Turbine meter
e. All of the above
Q. Natural error in measurements is due variation in
a. wind pressure
b. humidity
c. Temperature coefficient of liquids
d. Any of the above
e. Any of the above
Q. Which of the following standard can be used for defining length?
a. Bar standard
b. End standard
c. Light wave standard
d. Any of the above
e. None of the above
Q. The static error bank of an instrument does not include
a. Hysteresis in the instrument
b. Electrical draft
c. Non-linearity
d. All of the above
e. None of the above
Q. Platinum is used in resistance thermometers because of
a. Low cost
b. Low cost and high stability
c. Low cost, high stability and wide operating range
d. None of the above
e. 14
Q. Under force-current analogy, velocity is considered analogous to
a. Voltage
b. Inductance
c. Resistance
d. Magnetic flux
e. None of the above
Q. To measure the speed of a shaft without physical contact the method used is
a. Digital method
b. Variable reluctance tachometer
c. Stroboscope
d. Any of the above
e. All of the above
Q. A measure of the system's ability to handle transients is known as
a. Amplitude response
b. Rise time
c. Phase response
d. All of the above
e. Any of the above
Q. Contraction or expansion due to changes in temperature can be measured by
a. Tellurometer
b. Dilatometer
c. Thermocouple
d. Fathometer
e. Optical pyrometer