Measurement and Instrumentation Induction wattmeter can measure None of the listed here Ac power only Dc power only Both AC and DC None of the listed here Ac power only Dc power only Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Rectangular wave Triangular wave Sine wave Square wave Rectangular wave Triangular wave Sine wave Square wave 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 One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 100 W. 25 W. 50 W. 0 W. 100 W. 25 W. 50 W. 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% ± 3.0% ±0.5% ± 1.5% ±3.5% ± 3.0% ±0.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Linear Non-linear Either linear or non linear None of the listed here Linear Non-linear Either linear or non linear None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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