The function of compensation winding in AC series motor is to Improve commutation Reduced the armature resistance Increase field flux Reduce the effects of armature reaction TRUE ANSWER : ? YOUR ANSWER : ?
If a zero-centered voltmeter has a scale from 5V to − 5V, then the span of it is 0 V 10V 5 V −5 V TRUE ANSWER : ? YOUR ANSWER : ?
While estimating domestic wiring cost, if the length of the PVC conduit required is 62 meters, then what is the length of the cable required? 62 meters 186 meters 100 meters 124 meters TRUE ANSWER : ? YOUR ANSWER : ?
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one? Solar power plant Thermal power plant Nuclear power plant Hydro-electric power plant TRUE ANSWER : ? YOUR ANSWER : ?
If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an Potential transformer Current transformer Power transformer Isolation transformer TRUE ANSWER : ? YOUR ANSWER : ?
An ideal voltage source is one that____? Supplies constant power Has medium internal resistance Has infinite internal resistance Has zero internal resistance TRUE ANSWER : ? YOUR ANSWER : ?
During the ______ period the power supply to the motor is cut-off and the train is allowed to run due to its own momentum? Braking Notching up Free running Coasting TRUE ANSWER : ? YOUR ANSWER : ?
1 kcal is approximately equal to 4200 watt-sec 4.2 joules 420 joules 420 watt-hour TRUE ANSWER : ? YOUR ANSWER : ?
____comes under the category of high-frequency heating? Eddy current heating Resistance heating Arc heating Infrared heating TRUE ANSWER : ? YOUR ANSWER : ?