Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. A discrepancy is
a. The difference between a measurement and true value of the quantity measured
b. The difference between true value of the quantity and error
c. The difference between the measured value and actual value
d. The difference between the measured values of the same quantity
e. None of the above
Q. One of more electronic tubes are used in the circuitry of a VTVM for
a. amplification
b. rectification
c. both for amplification and rectification
d. None of the above
e. Any of the above
Q. Which of the following thermocouple can be used for temperatures above 1000?C
a. Platinum - Rhodium
b. Chromel - Alumel
c. High pressure Chromel - Copper
d. Any of the above
e. None of the above
Q. The advantage of digital instruments is
a. No observational error
b. Faster reading
c. Output can be fed to a memory circuit
d. Better accuracy
e. All of the above
Q. Odometer is used to measure
a. Distances
b. Threshold odours
c. Composition of gases
d. Velocities and accelerations
e. Suspended solids in a gas
Q. Accuracy of mesurements depends upon
a. precision of technique
b. precision of instruments employed
c. good planning of instruments
d. all of above
e. Any of the above
Q. A three digit 0 - 1 V digital voltmeter will have a resolution of
a. 0.1 V
b. 1 mV
c. 1, A
d. 1/2 V
e. 1
Q. Which of the following materials has maximum resistivity
a. Nichrome
b. Isoeleastic
c. Karma
d. None of the above
e. Any of the above
Q. Under force-current analogy, viscous friction coefficient is considered analogous to
a. Reciprocal of capacitance
b. Reciprocal of inductance
c. Reciprocal of resistance
d. Reciprocal of current
e. Resistance
Q. Loading error in a system can be classified as
a. Systematic error
b. error of judgement
c. illegitimate error
d. None of the above
e. Any of the above
Q. A piezometer is used to measure
a. Very low pressures
b. High pressures
c. Pressure differential
d. Pressures above and below atmospheric pressure
e. Atmospheric pressures
Q. Range of temperature measurement of a resistance thermometer is
a. ? 50? F to 200? F
b. ? 100? F to 400? F
c. ? 200? F to 800? F
d. ? 400? F to 1800? F
e. Any of the above
Q. The sensitivity accuracy of an instrument depends on
a. Frequency response
b. Amplitude distortion
c. Tempearature variations
d. Hysteresis
e. None of the above