Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. Mcleod gauge is used to measure
a. pH value
b. Pressure
c. Vacuum
d. Flow rate
e. Suspended matter
Q. The material used in the construction of a thermistor is
a. Nickel oxide
b. Iron oxide
c. Nickel
d. None of the above
e. Any of the above
Q. A magneto-strictive transducer works on the principle of variations of
a. Permeability of magnetic materials when subjected to strain
b. Resistance of material when subjected to strain
c. Flux linkage of material when subjected to strain
d. None of the above
e. Manometer
Q. A right balance meter cannot measure
a. Pressure
b. Flow
c. Mass flow rate
d. All of the above
e. None of the above
Q. Which of the following is the displacement type blow measuring device?
a. Helix type
b. Nutating disc
c. Semi-rotary piston
d. Reciprocating piston
e. Turbine
Q. The carrier material used with strain gages at room temperatuer is
a. impregnated paper
b. bakelite
c. epoxy
d. None of the above
e. Any of the above
Q. The specific conductance of good quality raw water is
a. 1 micro mho/cm
b. 1000 micro mho/cm
c. 0.1 micro mho/cm
d. 10 micro mho/cm
e. 100 micro mho/cm
Q. Which of the following phosphor bronze material is usually brazed?
a. Beryllium copper
b. Phosphor bronze
c. Stainless steel
d. K-monel
e. Alloy steel
Q. A temperature sensitive transducer is subjected to a sudden temperature change. It takes 18 seconds for the transducer to reach equilibrium condition (five times constant). The time taken by the transducer to read half of the temperature difference will be nearly
a. 0.35 second
b. 0.99 second
c. 0.69 second
d. 1.38 second
e. 3.92 second
Q. A fathometer works on the principle of
a. Reflection of magnetic waves
b. Reflection of sound waves
c. Reflection of ultrasonic waves
d. Reflection of radio waves
e. Reflection of gamma rays
Q. The reliability of an instrument means
a. The maximum useful life of an instrument
b. The service of an instrument between two repairs
c. The range in which the characteristics of an instrument remain linear
d. The degree to which repeatability continues to remain within specified limits
e. None of the above
Q. A steel scale is slightly shorter when compared with a standard scale. This type of error is known as
a. natural error
b. systematic error
c. instrumental error
d. None of the above
e. Any of the above
Q. Which of the following material is used for photoconductive cells
a. Selenium
b. Thorium
c. Mica
d. Tungsten
e. Barium sulphate
Q. A thermistor is basically an instrument for the measurement of
a. pressure
b. flow
c. speed
d. temperature
e. Any of the above