Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here 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? 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 175.4o. 4.6o. 85.4o. 94.6o. 175.4o. 4.6o. 85.4o. 94.6o. 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 Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Minimize the effect of temperature variation. Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for None of the listed here DC work only Both AC and DC AC work only None of the listed here DC work only Both AC and DC AC work only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling ANSWER DOWNLOAD EXAMIANS APP
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