Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving coil type Induction type Hot wire type Moving iron type Moving coil type Induction type Hot wire type Moving iron type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic Non conductor but magnetic Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±3.5% ±0.5% ± 1.5% ± 3.0% ±3.5% ±0.5% ± 1.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. Venturimeter. nucleus. Orifice. Anemometer. Venturimeter. nucleus. Orifice. Anemometer. ANSWER DOWNLOAD EXAMIANS APP
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