A shaded pole motor is basically a motor Synchronous Series Single-phase induction Shunt TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are Insulator efficiency Transmission line efficiency String efficiency Disc efficiency TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following plants experiences chain reactions? Thermal power plant Nuclear power plant Gas power plant Hydro-electric power plant TRUE ANSWER : ? YOUR ANSWER : ?
Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement The 100W bulb will glow brighter Both will glow equally bright Neither bulb will glow The 60W bulb will glow brighter TRUE ANSWER : ? YOUR ANSWER : ?
______ Opposes the change in circuit voltage Inductive reactance Resistance Inductance Capacitance TRUE ANSWER : ? YOUR ANSWER : ?
In a capacitor start single phase induction motor the current in the: The main winding leads the voltage Supply lines lead the voltage Starting winding lags the voltage Starting winding leads the voltage TRUE ANSWER : ? YOUR ANSWER : ?
Identify the INCORRECT statement with regards to synchronous motors It is a constant speed motor The armature winding is placed on the stator The field winding is placed on the rotor It is a self-starting machine TRUE ANSWER : ? YOUR ANSWER : ?
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads Zero always Power consumed by Z1 and Z2 Power consumed by Z1 Power consumed by Z2 TRUE ANSWER : ? YOUR ANSWER : ?
The amount of AC content present in the DC output of a rectifier is given by Power factor Ripple factor Form factor Peak factor TRUE ANSWER : ? YOUR ANSWER : ?
Find the net capacitance of the combination in which ten capacitors of 10 μF are connected in parallel 50 μF 0.1 μF 100 μF 1 μF TRUE ANSWER : ? YOUR ANSWER : ?