Which of the following device can be used to measure temperatures of hot bodies radiating energy in visible spectrum
A.Thermopile
B.Piezometer
C.Bolometer
D.Optical pigometer
E.Planimeter
Category: Mechanical Measurements Mcqs
1 watt is the same as
A.103 ergs/s
B.1010 ergs/s
C.105 ergs/s
D.106 ergs/s
E.107 ergs/s
The carrier material used with strain gages at room temperatuer is
A.impregnated paper
B.bakelite
C.epoxy
D.None of the above
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
The main advantage of a CRO is
A.it is a voltage sensitive instrument
B.an inertialess beam of electrons acting as a pointer
C.a fluorescent screen acts as scale
D.None of the above
Which of the following can be used as sensing element for an instrument?
A.Spring
B.Proving ring
C.Bourdon tube
D.Diaphragm
E.Any of the above
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
The accuracy of a 0 – 10 mV meter is
A.9 mV
B.11 mV
C.Either 9 mV or 10 mV
D.Either 9 mV or 11 mV
E.More than 11 mV
The salinometer measures
A.Temperature in cryogenic regions
B.Intensity of illumination
C.Sould level
D.Density of brine
E.Specific gravity of molasses
Which of the following is the displacement type blow measuring device?
A.Reciprocating piston
B.Semi-rotary piston
C.Nutating disc
D.Helix type
E.Turbine
