Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 1.2% 25.2% 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1 V. 1.5 V. 1.7 V. 1.34 V. 1 V. 1.5 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Rms value Mean value Measured value Full-scale value Rms value Mean value Measured value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? None of these Force and stress Force and strain Angular velocity and angular frequency None of these Force and stress Force and strain Angular velocity and angular frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic ANSWER DOWNLOAD EXAMIANS APP