Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. A frequency meter. An ammeter. A function generator. A potentiometer. A frequency meter. An ammeter. A function generator. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Increases Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Hot wire type Moving coil type Moving iron type Induction type Hot wire type Moving coil type Moving iron type Induction type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4 more. 0.2% less. 0.4% less. 0.2% more. 0.4 more. 0.2% less. 0.4% less. 0.2% more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling 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 ? ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS