Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 2.5 mm/Ω 0.8 mm/Ω 0.4 mm/Ω 5.0 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 0.4 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High current measurements Low current measurements Low voltage measurements High voltage measurements High current measurements Low current measurements Low voltage measurements High voltage measurements ANSWER DOWNLOAD EXAMIANS APP
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 2% 1% 1.5% 2.5% 2% 1% 1.5% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Shunt Potential transformers All of the listed here Current transformers Shunt Potential transformers All of the listed here Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called probable error gross error absolute error relative error probable error gross error absolute error relative error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a faster response. a higher accuracy. a lower sensitivity. All of these a faster response. a higher accuracy. a lower sensitivity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS