Which of the following transducer is preferred for measurements involving sound?
A.Thermocouple
B.Volt box
C.Kundt’s tube
D.Piezoelectric pick up
E.Photoemissive cell
Category: Mechanical Measurements Mcqs
A flow measuring system with a square root extractor usually has
A.Linear scale
B.No-linear scale
C.Inverse square law curve
D.Mass flow rate scale
E.None of the above
The electricl resistarice of a wire is
A.Directly proportional to diameter and inversely proportional to length
B.Directly proportional to length and inversely proportional to diameter
C.Directly proportional to length and diameter
D.Inversely proportional to resistance and length
E.None of the above
The degree of fementation in brewing pressure can be measured by
A.Conductivity meter
B.pH meter
C.Bolometer
D.Smoke meter
E.Turbidity meter
Which of the following is an electric tachometer?
A.Stroboscopic tachometer
B.Eddy current tachometer
C.Drag type tachometer
D.Ignition type tachometer
E.All of the above
Flow in an open channel can be measured by
A.a manometer
B.orifice
C.nozzle
D.None of the above
The amount of moisture in air is measured by
A.Single psychrometer
B.Orsat apparatus
C.Mass spectrometer
D.Photo conductive cell
E.Thermistor
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
