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 4 3 1 2 TRUE ANSWER : ? YOUR ANSWER : ?
Inter Poles winding is connected in Parallel with the main Poles Parallel with the Armature Series with the main pole Series with the armature TRUE ANSWER : ? YOUR ANSWER : ?
In three phase induction motor maximum torque is Inversely Proportional to the Decreasing Slip speed Speed of Rotor Stator Voltage Rotor Reactance TRUE ANSWER : ? YOUR ANSWER : ?
Calculate the power factor of an AC circuit having the impedance of 16 Ohms, if a 4 A current flows through it and its average power consumption is 200 W. 0.78 0.98 0.68 0.88 TRUE ANSWER : ? YOUR ANSWER : ?
In a synchronous Motor, the damping winding is generally used to Prevent hunting and provide starting Torque Reduces the eddy current Reduces the Noise Level Provide starting torque TRUE ANSWER : ? YOUR ANSWER : ?
In transmission line generally, the wire used are ACSR wires Aluminum wires Iron wires Copper wires TRUE ANSWER : ? YOUR ANSWER : ?
The speed of the ceiling fan is about Upto 10000 RPM Upto 450 RPM Upto 200 RPM Upto 10 RPM TRUE ANSWER : ? YOUR ANSWER : ?
Determine the maximum flux density (in T) of a material having eddy current coefficient of 2, the thickness of 4 mm, the volume of 20 cu.meter, which is supplied by the frequency of 50 Hz when the material has eddy current loss of 6 W 1.94 3.34 2.24 1.21 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 20 40 50 60 TRUE ANSWER : ? YOUR ANSWER : ?