McLeod gage is used to measure
A.pressure
B.vacuum
C.Flow rate
D.None of the above
Category: Mechanical Measurements Mcqs
A hydrometer can be used to measure
A.Relative humidity of air
B.Conductivity of gases
C.Temperature coefficient of liquids
D.Specific gravity of liquids
E.Specific gravity of solids
Under force-current analogy, velocity is considered analogous to
A.Voltage
B.Inductance
C.Resistance
D.Magnetic flux
E.None of the above
Under force-current analogy, the reciprocal of inductance is considered analogous to
A.Mass
B.Momentum
C.Displacement
D.Spring constant
E.Velocity
The melting point of tungsten is around
A.1256?C
B.1156?C
C.2800?C
D.3400?C
E.4400?C
In the process of manufacture of copper sheets, the thickness of the sheet is to be continuously monitored. Which transducer will be most suitable for this purpose?
A.LVDT
B.Strain gauge
C.Photocell
D.Any of the above
E.None of the above
Constantan is an alloy of
A.Cu (55%) and Sn (45%)
B.Cu (55%) and Ni (44%)
C.Fe (55%) and Ni (44%)
D.Pt (90%) and Rh (10%)
Which of the following materials has minimum temperature coefficient of resistance
A.Constantan
B.Isoelastic
C.Nichrome
D.None of the above
A copper-constantan thermocouple can be used for the range of temperature from
A.100?C to 250?C
B.0?C to 250?C
C.?50?C to 300?C
D.?175?C to 350?C
E.?212?C to 1000?C
