Measurement and Instrumentation Commonly used standard capacitor is Multiplate parallel plate type Spherical type Electrostatic type Concentric cylindrical type Multiplate parallel plate type Spherical type Electrostatic type Concentric cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 94.6o. 175.4o. 85.4o. 4.6o. 94.6o. 175.4o. 85.4o. 4.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Dynamic error Gross error Relative error Absolute error Dynamic error Gross error Relative error Absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate. precise. accurate and precise. accurate and direct reading. accurate. precise. accurate and precise. accurate and direct reading. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
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