Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 2R2. R1 = R2. R1 = 3R2. R1 = R2/2. R1 = 2R2. R1 = R2. R1 = 3R2. R1 = R2/2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Current transformers Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kW VAR kWh Wh kW VAR kWh Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates none of these. low friction loss. nothing related to friction loss. high friction loss. none of these. low friction loss. nothing related to friction loss. high friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Gross error Absolute error Relative error Dynamic error Gross error Absolute error Relative error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
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