Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Potential transformers Power transformers Current transformers Either of the above Potential transformers Power transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Spring All of the listed here Eddy currents Gravity Spring All of the listed here Eddy currents Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. Thermoelectric emfs. All of above. Resistance of connecting leads. Contact resistance. Thermoelectric emfs. All of above. Resistance of connecting leads. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 2 1 4 5 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 3.33 N 6.66 N 0.15 N 0.3 N 3.33 N 6.66 N 0.15 N 0.3 N ANSWER DOWNLOAD EXAMIANS APP
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