Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Air friction Eaddy current None of the listed here Fluid friction Air friction Eaddy current None of the listed here Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negative Positive None of the listed here Negligible Negative Positive None of the listed here Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. small. ideally zero. high. very high. small. ideally zero. high. 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 The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 2 Ohms 1/49.99 ohms 49.99 Ohms 1 Ohm 2 Ohms 1/49.99 ohms 49.99 Ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be None of the listed here Very heavy Very light Either light or heavy None of the listed here Very heavy Very light Either light or heavy ANSWER DOWNLOAD EXAMIANS APP