Measurement and Instrumentation The watt hour meter is ______ instrument. A transfer A recording An integrating An indicating A transfer A recording An integrating An indicating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. 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 pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 260 bar. 250 bar. 270 bar. 10 bar. 260 bar. 250 bar. 270 bar. 10 bar. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 6.67% 5% 8.33% 10% 6.67% 5% 8.33% 10% 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 1000 rev/KWh. 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP