A pitot tube converts
A.Pressure head into velocity head
B.Velocity head into pressure head
C.Pressure head into temperature rise
D.Velocity head into temperature rise
E.None of the above
Category: Mechanical Measurements Mcqs
In case of obstruction meters used for flow measurement, pressure recovery is maximum in the case of
A.venturi
B.flow nozzle
C.orifice
D.None of the above
Nickel is the major constituent of which the following pressure gauge Bourdon tube material
A.Phosphor bronze
B.Beryllium copper
C.Alloy steel
D.K’ monel
E.Stainless steel
An accelerometer has a seismic mass of 0.05 kg and a spring constant of 3000 N/m. Maximum mass displacement is
A.120 m/s2
B.300 m/s2
C.600 m/s2
D.1200 m/s2
E.2400 m/s2
The standard silver point temperature is
A.666?C
B.788.90?C
C.887.95?C
D.860.5?C
E.1155.5?C
Temperature of a hot moving body can be measured by
A.a radiation pyrometer
B.an optical pyrometer
C.a resistance thermometer
D.None of the above
Which of the following is not a self-generating transducer?
A.Thermopile
B.Ionization chamber
C.Moving coil generator
D.Photovoltaic cell
E.All of the above
The standard sulphur point temperature is
A.100?C
B.212?C
C.444.60?C
D.666.80?C
E.999.99?C
Which of the following thermocouple can be used for temperatures above 1000?C
A.Platinum – Rhodium
B.Chromel – Alumel
C.High pressure Chromel – Copper
D.Any of the above
E.None of the above
In a thermocouple, the potential between the two junctions is due to the temperature gradient along the conductors in the circuit. This effect is named as
A.Peltier’s effect
B.Thomson’s effect
C.Seebeck effect
D.none of the above
