Temperature of a hot moving body can be measured by
A.a radiation pyrometer
B.an optical pyrometer
C.a resistance thermometer
D.None of the above
Category: Mechanical Measurements Mcqs
Which of the following is not a self-generating transducer?
A.Thermopile
B.Ionization chamber
C.Moving coil generator
D.Photovoltaic cell
E.All of the above
The standard sulphur point temperature is
A.100?C
B.212?C
C.444.60?C
D.666.80?C
E.999.99?C
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
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
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
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
