Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, m and s. g, m and s. kg, cm and s. g, cm and s. kg, m and s. g, m and s. kg, cm and s. g, cm and s. 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. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 40 mA. 80 mA. 25 mA. 50 mA. 40 mA. 80 mA. 25 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Battery Permanent magnet dc generator Any of the listed here Ac generator Battery Permanent magnet dc generator Any of the listed here Ac generator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers Potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
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