Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Ammeters Ampere hour and watt hour meters Voltmeters Wattmeters Ammeters Ampere hour and watt hour meters Voltmeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is 6.66 V. 4.20 V. - 3.33 V. Zero. 6.66 V. 4.20 V. - 3.33 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 5% 3.33% 1% 2% 5% 3.33% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Observational errors Environment errors Instrument errors All of the listed here Observational errors Environment errors Instrument errors All of the listed here 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
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