The process of peeling of rocks into layers is called Brachans Exfoliation Sublimation Delta TRUE ANSWER : ? YOUR ANSWER : ?
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)? 180 V 160 V 120 v 240 V TRUE ANSWER : ? YOUR ANSWER : ?
In transformers,<br/>Statement 1: Deterioration of oil may occur due to the result of prolonged overloading of the transformer.<br/>Statement 2: Dielectric faults occur in the winding due to turn-to-turn insulation breakdown. Statement 1 is FALSE and Statement 2 is TRUE Both Statement 1 and Statement 2 are FALSE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are TRUE TRUE ANSWER : ? YOUR ANSWER : ?
A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed? 882 rpm 1425 rpm 798 rpm 1575 rpm TRUE ANSWER : ? YOUR ANSWER : ?
____ is the rms value of AC component of the current in the pole at the instant of contact separation. Asymmetrical breaking current Making current Symmetrical short circuit current Symmetrical breaking current TRUE ANSWER : ? YOUR ANSWER : ?
Which country leads in the production of biofuel in the world? Argentina Germany United States of America Brazil TRUE ANSWER : ? YOUR ANSWER : ?
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load 450/√3 VAR 350√3 VAR 350/√3 VAR 450√3 VAR TRUE ANSWER : ? YOUR ANSWER : ?
The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V, pinch-off would occur at a drain voltage of 2.5 V 4.5 V 3.5 V 1.5 V TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements and choose the correct option.<br/>Statement 1: The speed regulation of a synchronous motor is always unity.<br/>Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current drawn by a synchronous motor is in phase with applied voltage. Statement 1 is FALSE and Statement 2 is TRUE Both Statement 1 and Statement 2 are TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are FALSE TRUE ANSWER : ? YOUR ANSWER : ?