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Worksheets

Managing Electricity (Power)

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

How do you calculate Watts (W) ?

a)

Volt x Ampere

b)

Ampere / Volt

c)

Volt + Ampere

d)

Ampere - Volt

2.

How is Ampere calculated?

a)

Watt / Volt

b)

Volt x Ampere

c)

Watt x Volt

d)

Ampere x Watt

3.

What is the "flow" of electricity?

a)

Volt

b)

Watt

c)

Ampere

d)

Cable

4.

The brightness of a light (bulb) is defined by... ?

a)

Ampere

b)

Volt

c)

Watt

d)

Current

5.

The electrical load of a socket/circuit is defined by... ?

a)

Volt

b)

Watt

c)

Ampere

d)

Speed

6.

Battery Power is

a)

Alternating Current

b)

Direct Current

c)

Indirect Current

d)

Alternative Current

7.

Household power supply is...

a)

Indirect Current

b)

Direct Current

c)

Alternating Current

d)

Alternative Current

8.

Typically the power in homes in Singapore is...

a)

Single Phase, 50Hz

b)

Single Phase, 60Hz

c)

Three Phase, 50Hz

d)

Three Phase, 60Hz

9.

Single Phase Power in Singapore is...

a)

230V

b)

120V

c)

400V

d)

630V

10.

How much load (watts) can a 13A power socket in Singapore take?

a)

2990W

b)

3680W

c)

7360W

d)

14490W

11.

How many 650W lights can fit into a 13A socket in Singapore

a)

2x 650W light

b)

3x 650W light

c)

4x 650W light

d)

5x 650W light

12.

What type of power connector is shown?

a)

13A Plug

b)

15A Plug

c)

Single Phase Ceeform Plug

d)

Three Phase CeeForm Plug

13.

What type of power connector is shown?

a)

Three Phase 13A Plug

b)

Single Phase 13A Plug

c)

Three Phase 15A Plug

d)

Single Phase 15A Plug

14.

What is the the equipment shown in the image?

a)

Earth Leakage Circuit Breaker

b)

Circuit Breaker

c)

Miniature Circuit Breaker

d)

Residual Current Circuit Breaker

15.

A power generator with output capacity of 5000W is placed 30m away from the film set. Which one of the following is the best combination of lights that can be powered by the generator?

a)

5K Tungsten

b)

2K Blonde and 2K Fresnel

c)

2x 2.5K HMI

d)

1x 1K Fresnel, 2K Blonde, 1.2K HMI, 650W Tungsten

16.

When powering lights, power cables should be...

a)

Coiled up neatly

b)

Tightly Stretched out along the parameter of the set

c)

Laid out neatly, uncoiled along the parameter of the set

d)

Coiled up, bundled together with other cables

17.

Portable Power Generators are...

a)

Direct Current

b)

Battery Powered

c)

Alternating Current

d)

Alternative Current

18.

Overloading electrical sockets may lead to...

a)

Floods

b)

Thunderstorms

c)

Fire

d)

Nothing