Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Distribution transformer. CT. Power transformer. PT. Distribution transformer. CT. Power transformer. PT. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 200 V. 25 V. 100 V. 50 V. 200 V. 25 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Current Frequency Resistance Voltage Current Frequency Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The ratio of change in output to the change in the input is called sensitivity precision repeatability resolution sensitivity precision repeatability resolution ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP