Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. The resistance of a strain gauge should be high
a. To increase sensitivity
b. To reduce hysteresis effect
c. To swamp out the effects of variations of resistance in other parts of the bridge
d. None of the above
e. 100 to 5000
Q. Which of the following transducer is used to translate linear motion into electrical signals?
a. Bourdons tube
b. LVDT
c. Bellows
d. Strain gauge
e. Thermistor
Q. If an error under the same conditions will always be of the same size and sign, it is known as
a. Training errors
b. Systematic errors
c. Cumulative error
d. Either of (A) and (B) above
e. Either of (B) and (C) above
Q. The degree of fementation in brewing pressure can be measured by
a. Bolometer
b. Conductivity meter
c. pH meter
d. Smoke meter
e. Turbidity meter
Q. Which of the following will be the most alkaline solution?
a. pH 4
b. pH 1
c. pH 7
d. pH 10
e. pH 14
Q. McLeod gage is used to measure
a. pressure
b. vacuum
c. Flow rate
d. None of the above
e. Any of the above
Q. The standard oxygen point temperature is
a. 182.97?C
b. ?213.99?C
c. 163.45?C
d. ?182.27?C
e. 0?C
Q. 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
e. None of the above
Q. If a steam pressure of 10 kg/cm2 is to be measured, the range of pressure gauge should be
a. 0 to 100 kg kg/cm2
b. 0 to 10 kg kg/cm2
c. 0 to 20 kg kg/cm2
d. ?10 kg/cm2 to + 10 kg kg/cm2
e. 5 to 11 kg kg/cm2
Q. Which of the following can be used as thermal detector?
a. Thermistor
b. Pyrometer
c. Thermocouple
d. Resistance thermometer
e. Any of the above
Q. 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
Q. The joints of a phosphor-bronze Bourdon tubes are
a. Welded
b. Brazed
c. Soldered
d. Jointed by adhesives
e. Screwed
Q. Which of the following temperature is highest.
a. Melting point of gold
b. melting point of silver
c. melting point of steel
d. None of the above
e. Any of the above
Q. Which of the following device can be used to give an indication for temperature changes?
a. Thermistor
b. Bourden gauge
c. Transistor
d. Thermocouple
e. LED
Q. A simple ac amplifier may be used to amplify dc input through use of an additional circuit component known as
a. tuned amplifier
b. carrier
c. chopper
d. None of the above
e. Any of the above