Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Exponential scale Linear scale Logarithmic scale Square-law scale Exponential scale Linear scale Logarithmic scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for AC only DC only None of the listed here Both DC& AC AC only DC only None of the listed here Both DC& AC 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 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Air friction None of the listed here Fluid friction Eaddy current Air friction None of the listed here Fluid friction Eaddy current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 100 mA. 0.5 mA. 10 mA. 1mA. 100 mA. 0.5 mA. 10 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP