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
Category: Mechanical Measurements Mcqs
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.
A hot wire anemometer is used to measure
A.Pressure of gases
B.Liquid discharges
C.Very low pressures
D.Gas velocities
E.Diameter of fine particles
A degital thermometer has 3
A.1.000?C
B.1.001?C
C.1.999?C
D.0.999?C
E.None of the above
Which of the following material is used for photoconductive cells
A.Selenium
B.Mica
C.Thorium
D.Tungsten
E.Barium sulphate
Ceremets are
A.Resistance elements
B.Variable capacitors
C.Ganged condensers
D.Defects in transducers
E.Multi-turn potentiometers
