AE & JE EE Quiz: Utilization and Electrical Energy Booster Quiz-3

The factors responsible for the failure of heating element are

(i) Oxidation

(ii) Formation of hot spots

(iii) High specific resistance

(iv) Corrosion

(v) High oxidizing temperature

An ideal traction system should have:

In which of the following lighting systems, more than 90% of the total light flux is made to fall directly on the working plane with the help of deep reflectors?

__________ method is called dynamic braking

Which of the following statements about the zinc carbon cell is true? Which of the following statements for Zinc-Carbon Cell is true?

Which of the following option is correct about the advantages of Compact fluorescent lamps (CFLs)?

I. Low energy consumption.

II. Low maintenance cost.

III. It provides light without heating the surroundings.

IV. Low operational costs.

V. Average life of CFL is 8,000 working hours.

Which method is the most efficient method of electrical braking ?

In addition to the actual running time between stops, the speed of the train that is estimated taking into account the time of stop at a station, is known as _________.

A composite system consists of

The advantage of electric braking is