Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The best type of meter moment is ______ moment. Iron- vane Dynamometer D'Arsonval None of the listed here Iron- vane Dynamometer D'Arsonval None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current Increase the resistance of ammeter Increase the sensitivity of the ammeter None of the listed here By pass the current Increase the resistance of ammeter Increase the sensitivity of the ammeter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these large time constant. high inertia. higher response time. All of these large time constant. high inertia. higher response time. ANSWER DOWNLOAD EXAMIANS APP
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