Measurement and Instrumentation Which of the following meters has a linear scale? Moving iron meter Thermocouple meter Moving coil meter Hot wore meter Moving iron meter Thermocouple meter Moving coil meter Hot wore meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Series resistance A shunt resistance A series inductance Shunt capacitance Series resistance A shunt resistance A series inductance Shunt capacitance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is ability to distinguish polarity. the minimum quantity it can measure. the maximum quantity it can measure. the maximum non linearity. ability to distinguish polarity. the minimum quantity it can measure. the maximum quantity it can measure. the maximum non linearity. 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 100 W. 50 W. 0 W. 25 W. 100 W. 50 W. 0 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
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