Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1.5% 1% 2% 2.5% 1.5% 1% 2% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Numerical quantity Fundamental quantity None of these Derived quantity Numerical quantity Fundamental quantity None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these high inertia. higher response time. large time constant. All of these high inertia. higher response time. large time constant. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure Flux Current None of these Voltage Flux Current None of these Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. - 597 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 3% ± 6% ± 2.8% ± 4% ± 3% ± 6% ± 2.8% ± 4% ANSWER DOWNLOAD EXAMIANS APP