Measurement and Instrumentation The chemical effect of current is used in C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very light Very heavy None of the listed here Either light or heavy Very light Very heavy None of the listed here Either light or heavy ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling None of these Electrostatic coupling Both A and B Electromagnetic coupling None of these Electrostatic coupling Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from Temperature error Frequency error All of the listed here Wave shape error Temperature error Frequency error All of the listed here Wave shape error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are true. 1 is true but 2 is false. 1 is false but 2 is true. Both 1 and 2 are false. Both 1 and 2 are true. 1 is true but 2 is false. 1 is false but 2 is true. Both 1 and 2 are false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ± 1.5% ±3.5% ± 2.5% ± 1% ± 1.5% ±3.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
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