Measurement and Instrumentation Resolution of an instrument is the minimum quantity it can measure. ability to distinguish polarity. the maximum quantity it can measure. the maximum non linearity. the minimum quantity it can measure. ability to distinguish polarity. the maximum quantity it can measure. the maximum non linearity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Elastic galvanometer Vibration galvanometer Spot ballastic galvanometer Duddle galvanometer Elastic galvanometer Vibration galvanometer Spot ballastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Current transformers Potential transformers Power transformers Either of the above Current transformers Potential transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of both A and B. resistance of ammeter. resistance of shunt. resistance of shunt winding. both A and B. resistance of ammeter. resistance of shunt. resistance of shunt winding. ANSWER DOWNLOAD EXAMIANS APP