Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 3 kWh 4 kWh 2 kWh 1 kWh 3 kWh 4 kWh 2 kWh 1 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Power Frequency Charge Force Power Frequency Charge Force ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and damping coefficient Static sensitivity and time constant Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and damping coefficient Static sensitivity and time constant Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Relative error Dynamic error Absolute error Gross error Relative error Dynamic error Absolute error Gross error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 25 W. 100 W. 0 W. 50 W. 25 W. 100 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
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