Kindly answer the questions in the box mentioned below:

1. The alternating current (AC) supply is represented by the symbol......

A -

B ~

C +ve

D -ve

2. The most common source of DC supply is....

A alternator

B inverter

C cycle dynamo

D batteries

3. Which is the source of AC supply?

A Rectifier

B Dynamo

C Alternator

D Inverter

4. Which range of voltmeter is suitable for testing the polarity of the battery?

A Low range

B High range

C Medium range

D Very high range

5. In DC source the +ve terminal of the lead’s colour is....

A red

B blue

C black

D green

6. Which is the example for chemical effect of electric current?

A Electric bell

B Batteries

C Electric motor

D Electric heater

7. Which effect of electric current is applied in mercury vapour lamps?

A Heating effect

B Magnetic effect

C Chemical effect

D Gas ionization effect

8. In which place, the married joint is used?

A Where more mechanical strength is required

B Where the considerable tensile strength is required

C Where appreciable electrical conductivity is required

D For over head lines for tapping the electrical power to service lines

9. Which type of joint is used in overhead lines for extending the length of wire?

A Married joint

B Scarfed joint

C Britannia ‘T’ joint

D Western union joint

10. What is the colour of the neutral (N) of 3 core cable?

A Red

B Black

C Green

D Yellow