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Electrical Installation (Resident) 1.1

Total questions: 11

Worksheet time: 4mins

Name
Class
Date
1.

SS stands for...

a)

Secret Services

b)

Singapore Space

c)

Secret Space

d)

Singapore Standard

2.

Loose electrical connections can generate heat and cause a fire [True or false]

a)

True

b)

False

3.

3) What is Singapore maximum allowed voltage?

a)

210.8V

b)

230V

c)

243.8V

d)

250V

4.

4) What kind of contact when main supply conductor in contact with human body?

a)

Human Contact

b)

Indirect Contact

c)

Direct Contact

d)

Unwanted Contact

5.

What is the purpose of cable jacket?

a)

To keep wires warm in cold weather

b)

To provide insulation for accidental contact

c)

To keep wires from fraying away

d)

To provide flexible layer for installation

6.

Which are the TWO types of power sources?

a)

AA & AC

b)

AD & DC

c)

AC & DD

d)

AC & DC

7.

__ is the positive terminal of the DC Power Source.

a)

Cathode

b)

Anode

c)

Antidote

d)

Capillary

8.

____ phase is a AC power.

a)

Single

b)

Double

c)

Octa

d)

Quad

9.

What are the 3 stages of electricity generation from power station in Singapore?

a)

Heat, Mechanical, Electrical

b)

Wind, Heat, Electrical

c)

Chemical, Wind, Electrical

d)

Mechanical, Chemical, Electrical

10.

What are the transmission voltages (primary & secondary) in Singapore?

a)

415kV, 230kV

b)

400kV, 200kV

c)

415kV, 200kV

d)

400kV, 230kV

11.

_V/_Hz is used in single-phase in Singapore.

a)

230V/60Hz

b)

230V/50Hz

c)

240V/60Hz

d)

215V/50Hz