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Engineering :: Mechanical Measurements

51.  Under force-current analogy, viscous friction coefficient is considered analogous to
A. Reciprocal of resistance B. Reciprocal of inductance
C. Reciprocal of capacitance D. Reciprocal of current
52.  Under force-current analogy, the reciprocal of inductance is considered analogous to
A. Mass B. Momentum
C. Displacement D. Spring constant
E. Velocity    
53.  Under force voltage analogy, viscous friction coefficient is not considered analogous to
A. Charge B. Multual inductance
C. Capacitance D. Resistance
E. Current    
54.  Under force voltage analogy mass is considered analogous to
A. Resistance B. Industance
C. Capacitance D. Admittance
E. Current source    
55.  A three digit 0 - 1 V digital voltmeter will have a resolution of
A. 1, A B. 1/2 V
C. 0.1 V D. 1 mV
E. 1    
56.  Which of the following strain gauge material has the highest value of gauge factor?
A. Manganin B. Nichrome
C. Constantan D. Soft iron
57.  The gauge factor for doped crystal is in the range
A. 0.5 to 1 B. 1 to 2
C. 2 to 20 D. 20 to 50
E. 100 to 5000    
58.  A strain gauge material should have low
A. Gauge factor B. Sensitivity
C. Resistance temperature coefficient D. All of the above
59.  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
60.  The carrier material used with strain gauges at room temperature is
A. Impregnated paper B. Rubber
C. Epoxy D. Iron cement
E. Bakelite    

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