The amount of moisture in air is measured by
A.Single psychrometer
B.Orsat apparatus
C.Mass spectrometer
D.Photo conductive cell
E.Thermistor
Category: Mechanical Measurements Mcqs
Which of the following is generally not used as a thermocouple material?
A.Platinum – Rhodium
B.Chromel – Alumel
C.Gold – Silver
D.Chromel – Copper
E.None of the above
The joints of a phosphor-bronze Bourdon tubes are
A.Soldered
B.Brazed
C.Screwed
D.Welded
E.Jointed by adhesives
Flow of water in a pipe of 250 cm diameter can be measured by
A.Orifice plate
B.Venturimeter
C.Rotameter
D.Pitot tube
E.Manometer
A strain gauge material should have low
A.Gauge factor
B.Sensitivity
C.Resistance temperature coefficient
D.All of the above
A geodimeter is based on the principle of
A.Optics
B.X-rays
C.Microwaves
D.Reflection of light waves
E.Propagation of modulated light waves
A LVDT has
A.One primary coil and two secondary coils
B.Two primary coils and one secondary coil
C.One primary coil and one secondary coil
D.Two primary coils and two secondary coils
Phosphor bronze Bourdon tube can be used of pressures upto
A.5 kg/cm2
B.10 kg/cm2
C.15 kg/cm2
D.70 kg/cm2
E.170 kg/cm2
In measurements using two strain gauges, the purpose of dummy strain gauge is
A.To unllify the errors due to temperature
B.Improve stability of the measuring system
C.Measure lateral strain
D.Increase the sensitivity of measuring system
Which of the following standard can be used for defining length?
A.Bar standard
B.End standard
C.Light wave standard
D.Any of the above
E.None of the above
