Which of the following material has maximum temperature coefficient of resistance
A.Nichrome V
B.Isoelastic
C.Manganin
D.Monel
Category: Mechanical Measurements Mcqs
Platinum is used in resistance thermometers because of
A.Low cost
B.Low cost and high stability
C.Low cost, high stability and wide operating range
D.None of the above
Which of the following device can be used to give an indication for temperature changes?
A.Bourden gauge
B.Thermistor
C.Thermocouple
D.Transistor
E.LED
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
Which of the following primary transducer does not convert velocity to pressure?
A.Orifice
B.Venture
C.Pitot tube
D.Vanes
E.All of the above
Although semi-conductor strain gauges have high gauge factor still these are not preferred due to
A.Non-linearity
B.Non-linearity and sensitivity to temperature fluctuations
C.Small size and high cost
D.Small size and high cost
E.Difficulties in connections and high cost of auxiliary equipment
Contraction or expansion due to changes in temperature can be measured by
A.Dilatometer
B.Fathometer
C.Tellurometer
D.Optical pyrometer
E.Thermocouple
Which of the following material has minimum gage factor
A.Monel
B.Manganin
C.Constantan
D.None of the above
A strain gauge with high sensitivity and high gauge factor is
A.Nichrome transducer
B.Semi-conductor strain gauge transducer
C.Platinum-tungsten alloy transducer
D.Stability and dynaloy strain gauge transducer.
