Under force-current analogy, the reciprocal of inductance is considered analogous to
A.Mass
B.Momentum
C.Displacement
D.Spring constant
E.Velocity
Category: Mechanical Measurements Mcqs
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
The static error bank of an instrument does not include
A.Hysteresis in the instrument
B.Electrical draft
C.Non-linearity
D.All of the above
E.None of the above
Which of the following is the area meter?
A.venturimeter
B.orifice meter
C.rotameter
D.None of the above
A error that always follows the same definite mathematical or physical law is known as
A.Systematic error
B.Mathematical error
C.Detectable error
D.Physical error
E.Cumulative error
The value of permissible error depends upon
A.The scale
B.The instrument available
C.Class of work
D.All of the above
E.None of the above
