Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. The thickness of oil film between gage blocks is of the order of
a. 0.2 microinch
b. 0.5 microinch
c. 1 microinch
d. None of the above
e. Any of the above
Q. The degree of perfection used in instruments, the methods and the observations, is known as
a. Error
b. Least count
c. Accuracy
d. Efficiency
e. Precision
Q. A flow measuring system with a square root extractor usually has
a. Linear scale
b. No-linear scale
c. Inverse square law curve
d. Mass flow rate scale
e. None of the above
Q. A flapper nozzle is used in
a. Electronic controller
b. Hydraulic Controller
c. Pneumatic controller
d. All of the above
e. None of the above
Q. Which of the following materials has minimum temperature coefficient of resistance
a. Constantan
b. Isoelastic
c. Nichrome
d. None of the above
e. Any of the above
Q. The direction of current in case of antimony bismuth thermocouple will be
a. From antimony to bismuth at the cold junction
b. From antimony to bismuth at hot junction
c. From bismuth to antimony at cold junction
d. Any of the above
e. None of the above
Q. A hydrometer can be used to measure
a. Specific gravity of solids
b. Temperature coefficient of liquids
c. Relative humidity of air
d. Conductivity of gases
e. Specific gravity of liquids
Q. The advantage of piezoelectric crystal as transducer is
a. High frequency response
b. High output
c. Negligible phase shift
d. Small size
e. All of the above
Q. In a thermocouple, the potential between the two junctions is due to the temperature gradient along the conductors in the circuit. This effect is named as
a. Peltier's effect
b. Thomson's effect
c. Seebeck effect
d. none of the above
e. Any of the above
Q. Nickel is the major constituent of which the following pressure gauge Bourdon tube material
a. Alloy steel
b. Phosphor bronze
c. K' monel
d. Beryllium copper
e. Stainless steel
Q. In a car the fuel level is measured by
a. Electronic transducer
b. Float method
c. Dip stick
d. Any of the above
e. None of the above
Q. Flow rate of a river can be determined by
a. Weir
b. Orifice
c. Venturimeter
d. Kundt's tube
e. Kennison nozzle
Q. Under force-current analogy, the reciprocal of inductance is considered analogous to
a. Mass
b. Spring constant
c. Momentum
d. Displacement
e. Velocity
Q. The larget range through which the measurable variable can change without the change being indicated by the indicator is known as
a. Probability error
b. Time lag
c. Dead zone
d. Threshold sensitivity
e. None of the above
Q. Which of the following instruments is preferred for the measurement of pressure in a steam condenser
a. Kentometer
b. McLeod gage
c. Bourdon tube
d. None of the above
e. Any of the above