Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. A transducer which converts an input physical quantity into electrical output in the form of pulse is known as
a. primary transducer
b. analogous transducer
c. digital transducer
d. None of the above
e. Any of the above
Q. Which of the following Bourdon tube material can be used for very high pressures?
a. K-monel
b. Alloy steel
c. Phosphor bronze
d. Stainless steel
e. Beryllium copper
Q. The adhesion between the surface of property wrung gage blocks is of the order of
a. 0-5 atmospheres
b. 5-10 atmospheres
c. 20-30 atmospheres
d. none of the above
e. Any of the above
Q. Under force-current analogy, displacement is considered as analogous to
a. Voltage
b. Magnetic flux linkage
c. Induced emf
d. Current
e. Mutual inductance
Q. The function of the reference electrode in a pH meter is to
a. Measure average pH value
b. Produce a constant voltage
c. Provide temperature compensation
d. Produce a constant current
e. None of the above
Q. In a digital instrument "over ranging" means
a. Parameter being measured is varying constantly
b. All digits indicte reading of 8
c. Half digit is switched off
d. Half digit is switched on
e. Only three digits are switched on
Q. Decibels are basically measures of
a. power gain
b. voltage fain
c. current gain
d. None of the above
e. Any of the above
Q. The maximum allowable limit that a measurement may vary from the true value is called
a. Expected error
b. Range of error
c. Permissible error
d. Least error
e. Safe error
Q. Accelerometer is the transducer for
a. Vibration
b. Shock
c. Absolute motion
d. All of the above
e. None of the above
Q. Which of the following material has maximum temperature coefficient of resistance
a. Nichrome V
b. Isoelastic
c. Manganin
d. Monel
e. Any of the above
Q. A tellurometer works on the principle of
a. X-rays
b. Optics
c. Reflection of light
d. High frequency radio waves
e. Propagation of modulated waves
Q. The salinometer measures
a. Density of brine
b. Specific gravity of molasses
c. Sould level
d. Temperature in cryogenic regions
e. Intensity of illumination
Q. A hot wire anemometer is used to measure
a. pressure of liquids
b. very low pressure
c. gas velocities
d. None of the above
e. Any of the above
Q. Ionisation gauge is used to measure pressures
a. Below 3 microns
b. Above 3 microns
c. Above 100 microns
d. Between 100 and 200 microns
e. Above 200 microns