DC Electrics - Specimen Questions: DGCA Technical General questions

Question 1

Spare fuses are carried:

Accepted Answer

By law with a stated minimum number required

Answer

At the operator's discretion

Answer

For generators only

Answer

By the first officer

Question 2

When selecting a fuse for a circuit, the governing factor is:

Accepted Answer

The power requirement of the circuit

Answer

The voltage of the circuit

Answer

The fuse length and diameter

Answer

The resistance of the circuit

Question 3

Differential cut-outs close when a differential voltage exists between the:

Accepted Answer

Generator bus and battery bus bar

Answer

Generator bus bar and earth

Answer

Batteries

Answer

Battery bus bar and earth

Question 4

Circulating current is the term used to describe:

Accepted Answer

Current passing between two paralleled generators of differing voltage

Answer

Back EMF

Answer

Current necessary to excite the generator

Answer

Current passing between AC and DC systems

Question 5

A megohm is:

Accepted Answer

1,000,000 ohms

Answer

10,000 ohms

Answer

1,000 ohms

Answer

1,000,000,000 ohms

26 more questions in this chapter, free with an account