Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments Electrodynamo meter instruments PMMC instruments Moving iron instruments Electrostatic instruments Electrodynamo meter instruments PMMC instruments Moving iron instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. Both B and C. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. Both B and C. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the tolerance Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding Reduce the tolerance Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? PT. CT. Distribution transformer. Power transformer. PT. CT. Distribution transformer. Power transformer. 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? 6.67% 8.33% 5% 10% 6.67% 8.33% 5% 10% ANSWER DOWNLOAD EXAMIANS APP
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