Electric Circuits Coating generally recommended for hard surfacing is chromium plating. copper plating. lead plating. None of these chromium plating. copper plating. lead plating. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.6. 0.4. 0.9. 0.85. 0.6. 0.4. 0.9. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 70 times per second. 120 times per second. 60 times per second. 80 times per second. 70 times per second. 120 times per second. 60 times per second. 80 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Any of above. Dextrol. Phenol. Glycerine. Any of above. Dextrol. Phenol. Glycerine. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 3.12. 0.020. 1.56. 6.24. 3.12. 0.020. 1.56. 6.24. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be 1 kΩ, 1 W. 2 kΩ, 1 W. 0.5 kΩ, 2 W. 2 kΩ, 0.5 W. 1 kΩ, 1 W. 2 kΩ, 1 W. 0.5 kΩ, 2 W. 2 kΩ, 0.5 W. ANSWER DOWNLOAD EXAMIANS APP