Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter only. voltmeter only. ammeter, voltmeter and wattmeter. wattmeter only. ammeter only. voltmeter only. ammeter, voltmeter and wattmeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Measured value Rms value Full-scale value Mean value Measured value Rms value Full-scale value Mean value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. ideally zero. very high. high. small. ideally zero. very high. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One ohm according to SI units One ohm according to working standards Standard ohm One international ohm One ohm according to SI units One ohm according to working standards Standard ohm One international ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy. A is false bur R is true Both A and R are true but R is NOT the correct explanation of A A is true but R is false Both A and R are true and R is the correct explanation of A A is false bur R is true Both A and R are true but R is NOT the correct explanation of A A is true but R is false Both A and R are true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction meter can handle current upto 100 A 30 A 10 A 60 A 100 A 30 A 10 A 60 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS