In a Hysteresis Motor, the rotor must have None of these Susceptibility Retentivity Resistivity TRUE ANSWER : ? YOUR ANSWER : ?
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns 10 16 12 14 TRUE ANSWER : ? YOUR ANSWER : ?
What will be the voltage (in V) across an 8H inductor, when the rate of change of current flowing through it is 0.5A/sec 4 8 6 2 TRUE ANSWER : ? YOUR ANSWER : ?
If the centrifugal switch does not open at 70 to 80 percent of a synchronous speed of the motor, it would result in Damage to the starting winding Damage to the centrifugal switch Overloading of running winding None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which type of insulation covering the conductor used for low voltages? Cotton and silk Insulation Vulcanised Indian Rubber Poly-vinyl Chloride(P.V.C) Paper TRUE ANSWER : ? YOUR ANSWER : ?
Determine the magnitude of EMF (in V) induced between the axis of rotation and the rim of the disc, when the disc of radius 10 cm rotates with an angular velocity of 60 revolutions per second and placed in the magnetic field of 3 T acting parallel to the rotation of the disc 5.65 6.67 6.69 4.64 TRUE ANSWER : ? YOUR ANSWER : ?
Determine the heat dissipated (in joule) through a conductor of 10 ohms resistance, when 1 A of current is flowing through the conductor for 5 seconds 60 50 20 40 TRUE ANSWER : ? YOUR ANSWER : ?
Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns 2 1 3 4 TRUE ANSWER : ? YOUR ANSWER : ?
What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively? 0.032 0.011 0.026 0.065 TRUE ANSWER : ? YOUR ANSWER : ?
Scott connections are used for Three Phase to Single Phase transformation Single-phase to three-phase transformation Any of the above Three-phase to two-phase transformation TRUE ANSWER : ? YOUR ANSWER : ?