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 The adjustment of position of shading bands, in an energy meter is done to provide Breaking torque Creep compensation Friction compensation None of the listed here Breaking torque Creep compensation Friction compensation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure both AC and DC voltage. DC current. AC volatge. DC voltage. both AC and DC voltage. DC current. AC volatge. DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient Static sensitivity and time constant Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and damping coefficient Static sensitivity and time constant ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An ammeter should have a very low resitance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. An ammeter should have a very low resitance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS