Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kWh kW VAR Wh kWh kW VAR Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the none of these. speed of light. dimension LT-1. both ‘a’ and ‘b’. none of these. speed of light. dimension LT-1. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.84 0.73 0.65 1 0.84 0.73 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Linear scale Square-law scale Logarithmic scale Exponential scale Linear scale Square-law scale Logarithmic scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? CT. Distribution transformer. Power transformer. PT. CT. Distribution transformer. Power transformer. PT. ANSWER DOWNLOAD EXAMIANS APP
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