Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of shunt. resistance of ammeter. resistance of shunt winding. both A and B. resistance of shunt. resistance of ammeter. resistance of shunt winding. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 5 V. 4.54 V. 4.38 V. 3.53 V. 5 V. 4.54 V. 4.38 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement on high voltage capacitors, the suitable bridge is Any of the listed here Wein bridge Schering bridge Modified De santy's bridge Any of the listed here Wein bridge Schering bridge Modified De santy's bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer A is false R is true. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is true R is false. A is false R is true. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is true R is false. ANSWER DOWNLOAD EXAMIANS APP
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