Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient Should have low specific resistance All of the listed here Should non magnetic Most be of low temperature co-efficient Should have low specific resistance All of the listed here Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity Derived quantity Fundamental quantity None of these Numerical quantity Derived quantity Fundamental quantity None of these 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 of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Positive Negligible None of the listed here Negative Positive Negligible None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 3.5% ± 2.5% ± 1.5% ± 1% ± 3.5% ± 2.5% ± 1.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates low friction loss. none of these. nothing related to friction loss. high friction loss. low friction loss. none of these. nothing related to friction loss. high friction loss. ANSWER DOWNLOAD EXAMIANS APP