Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 1 V 0.5 V 1.5 V 2 V 1 V 0.5 V 1.5 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kWh VAR kW Wh kWh VAR kW Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 795 W. - 795 W. + 597 W. - 597 W. + 795 W. - 795 W. + 597 W. - 597 W. 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 0.65 0.84 0.73 1 0.65 0.84 0.73 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display DC signals Both AC and DC signals Time invariant signals AC signals DC signals Both AC and DC signals Time invariant signals AC signals ANSWER DOWNLOAD EXAMIANS APP
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