Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage AC voltage of any form Low frequency voltage High DC voltage High AC voltage AC voltage of any form Low frequency voltage High DC voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 50 W. 25 W. 100 W. 0 W. 50 W. 25 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the inductance of winding Reduce the tolerance Increase the thermal stability Double the power rating of the resistor Reduce the inductance of winding Reduce the tolerance Increase the thermal stability Double the power rating of the resistor ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1% 1.2% 0.5% 1.5% 1% 1.2% 0.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads infinite. high but within tolerance. zero. low but not zero. infinite. high but within tolerance. zero. low but not zero. 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 and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A A is true but R is false A is false bur R is true Both A and R are true and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
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