Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. large time constant. higher response time. All of these high inertia. large time constant. higher response time. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for Any of the listed here AC only Both DC and AC DC only Any of the listed here AC only Both DC and AC DC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Moving iron instruments have _____ scale. Log Squared None of the listed here Uniform Log Squared None of the listed here Uniform ANSWER DOWNLOAD EXAMIANS APP
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 5.0 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 0.8 mm/Ω 5.0 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 0.8 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 100 Nm. 1 Nm. 2 Nm. 200 Nm. 100 Nm. 1 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP