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 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in VAR kW kWh Wh VAR kW kWh Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 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 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. only phase of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. only phase of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. D'Arsonval movement Moving iron None of the listed here Dynamometer D'Arsonval movement Moving iron None of the listed here Dynamometer ANSWER DOWNLOAD EXAMIANS APP
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