The sensitivity accuracy of an instrument depends on
A.Frequency response
B.Amplitude distortion
C.Tempearature variations
D.Hysteresis
E.None of the above
Category: Mechanical Measurements Mcqs
For measuring the temperature of a boiler furnace which one of the following is the appropriate thermometer?
A.Optical pyrometer
B.Bimetallic thermometer
C.Thermocouple
D.Resistance thermometer
E.Any of the above
Under force-voltage analogy, spring constant is considered analogous to
A.Reciprocal of resistance
B.Reciprocal of inductance
C.Reciprocal of capacitance
D.Reciprocal of impedance
E.None of the above
In the above case the natural frequency be will
A.13 Hz
B.26 Hz
C.39 Hz
D.68 Hz
E.91 Hz
The lead zone is a certain pyrometer is 0.125 percent of span. The calibration is 400?C to 1000?C. What temperature change might occur before it is detected?
A.0.075?C
B.0.75?C
C.1.5?C
D.3?C
E.7.5?C
A polarograph is used for the analysis of
A.Solids
B.Liquids
C.Gases
D.All of the above
E.None of the above
A load cell is essentially a
A.Thermocouple
B.Thermistor
C.Photoconductive device
D.Strain gauge
E.Photo voltaic cell
The specific conductance of good quality raw water is
A.0.1 micro mho/cm
B.1 micro mho/cm
C.10 micro mho/cm
D.100 micro mho/cm
E.1000 micro mho/cm
Which of the following strain gauge material has the highest value of gauge factor?
A.Manganin
B.Nichrome
C.Constantan
D.Soft iron
1 Joule is equal to
A.1012 ergs
B.1010 ergs
C.109 ergs
D.107 ergs
E.105 ergs
