Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Gross error Relative error Absolute error Dynamic error Gross error Relative error Absolute error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 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 0.5% 1.2% 1.5% 1% 0.5% 1.2% 1.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Power transformers Current transformers Both current and potential transformers Pottential transformers Power transformers Current transformers Both current and potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Change in velocity / time Force x displacement Mass x acceleration Mass x velocity Change in velocity / time Force x displacement Mass x acceleration Mass x velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Multimeter Voltmeter-ammeter method Bridge method Megger Multimeter Voltmeter-ammeter method Bridge method Megger ANSWER DOWNLOAD EXAMIANS APP