Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these large time constant. high inertia. higher response time. All of these large time constant. high inertia. higher response time. 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 0.4 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 5.0 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 5.78 A. 4 A. 4.47 A. 2 A. 5.78 A. 4 A. 4.47 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure Flux Voltage Current None of these Flux Voltage Current None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very heavy None of the listed here Either light or heavy Very light Very heavy None of the listed here Either light or heavy Very light ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is true R is false. A is false R is true. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is true R is false. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP