Measurement and Instrumentation The function of shunt in an ammeter is to Increase the resistance of ammeter None of the listed here By pass the current Increase the sensitivity of the ammeter Increase the resistance of ammeter None of the listed here By pass the current Increase the sensitivity of the ammeter 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% 0.5% 1.5% 1.2% 1% 0.5% 1.5% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Y is more sensitive. X is more sensitive. Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Y is more sensitive. X is more sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. parallel. perpendicular. inclined at 30o. inclined at 60o. parallel. perpendicular. inclined at 30o. 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
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