Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. only the magnitude of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. only the magnitude of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 20. 54.2. 25.4. 31.4. 20. 54.2. 25.4. 31.4. 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 Both A and R is true and R is not correct explanation of A. A is true R is false. Both A and R is true and R is correct explanation of A C. A is false R is true. Both A and R is true and R is not correct explanation of A. A is true R is false. Both A and R is true and R is correct explanation of A C. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 5 A. 2+3√2 A. 2 A. 3 A. 5 A. 2+3√2 A. 2 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of AC voltage of any form High AC voltage High DC voltage Low frequency voltage AC voltage of any form High AC voltage High DC voltage Low frequency voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 5.78 A. 4.47 A. 4 A. 2 A. 5.78 A. 4.47 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
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