Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving coil type Moving iron type Induction type Hot wire type Moving coil type Moving iron type Induction type Hot wire type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in None of these C. energy meter C. ammeter hour meter C. ammeter None of these C. energy meter C. ammeter hour meter C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 10% 6.67% 5% 8.33% 10% 6.67% 5% 8.33% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a moving coil instrument. a dynamometer instrument. an electrostatic instrument. a thermal instrument. a moving coil instrument. a dynamometer instrument. an electrostatic instrument. a thermal instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1.5% ± 3.5% ± 1% ± 2.5% ± 1.5% ± 3.5% ± 1% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP