Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor but magnetic Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic Non conductor but magnetic Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic 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 Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
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 2 V 1.5 V 0.5 V 1 V 2 V 1.5 V 0.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Remains same Decreases Increases None of the listed here Remains same Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT ANSWER DOWNLOAD EXAMIANS APP
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