Measurement and Instrumentation An ammeter is ______ instrument. None of the listed here An indicating A recording An integrating None of the listed here An indicating A recording An integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 10. 11. 110. 100. 10. 11. 110. 100. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. Both B and C. 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. The restoring torque is provided by a controlling torque. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Power transformer. PT. CT. Distribution transformer. Power transformer. PT. CT. Distribution transformer. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS