Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negative None of the listed here Positive Negligible Negative None of the listed here Positive Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Permanent magnet Fluid friction None of the listed here Air friction Permanent magnet Fluid friction None of the listed here Air friction 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 0.5 mA. 100 mA. 10 mA. 1mA. 0.5 mA. 100 mA. 10 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
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 total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ±5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ±5) A 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. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP