MCQs

The material which is best suited for manufacturing fuse wire is: Copper Zinc Aluminum Silver Correct answer: 4. Silver

Electric Power Generation Multiple choice questions Part 20.

The term pulverized coal is best defined as: Coal that doesn’t burns at all Coal which bums for a long time Coal that is broken down into fine particles Coal that is free from ash contents Correct answer: 3. Coal that is broken down into fine particles In a coal power station, the pulverized coal … Read more

A transformer doesn’t posses ______________ changing property: Voltage Current Power Impedance Correct answer: 3. Power

The empty space between plates of a parallel plate capacitor is filled with a liquid of dielectric constant K. The capacitance of capacitor will now: Increase by a factor K2 Decrease by a factor K2 Increase by a factor K Decrease by a factor K Correct answer: 3. Increase by a factor K Parallel plate … Read more

Two head lights of a vehicle are connected in parallel. Together they consume 50 W power from a 6 V battery. The resistance of each lamp is: 0.12 Ω 0.7 Ω 1.44 Ω 8.33 Ω Step by Step Solution video:

The number of slip rings in 3 phase synchronous motor is: One Two Three Zero Correct answer: 2. Two

The line resistance R and inductive reactance XL in transmission line are mathematically related as: XL < R XL = R XL > R None of these Correct answer: 3. XL > R

If length of arc in circuit breaker increases its resistance: Increases Decreases Remains the same None of these Correct answer: 1. Increases