A pirani gauge works on the principle of change of
A.Thermal conductivity of medium
B.Electrical resistivity
C.Conductance
D.Capacitance
E.Relative humidity
Category: Mechanical Measurements Mcqs
Which of the following transducer is used to translate linear motion into electrical signals?
A.LVDT
B.Thermistor
C.Bellows
D.Strain gauge
E.Bourdons tube
The flow of non-conducting medium cannot be measured by
A.Orifice
B.Rotameter
C.Electro magnetic meter
D.Turbine meter
E.All of the above
Rochelle salts are used
A.For colour identification
B.For photography
C.For polarisation
D.As piezoelectric crystals
E.As dectors of gamma rays
A right balance meter cannot measure
A.Pressure
B.Flow
C.Mass flow rate
D.All of the above
A piezometer is used to measure
A.Very low pressures
B.Pressure differential
C.Atmospheric pressures
D.High pressures
E.Pressures above and below atmospheric pressure
A magneto-strictive transducer works on the principle of variations of
A.Permeability of magnetic materials when subjected to strain
B.Resistance of material when subjected to strain
C.Flux linkage of material when subjected to strain
D.None of the above
An electrometer is used for the measurement of
A.Voltages
B.Currents
C.Both (A) and (B) above
D.None of the above
A pirani gauge is used to measure
A.Pressures above 100 kg/cm2
B.Pressure upto 100 kg/cm2
C.Atmospheric pressure
D.Very low pressures
E.All pressures
