CU4WA2 ENG

1. 1. How is electricity produced from a generator motor installed on a dam?

• A. Sunlight illumination.

• B. Position of the generator motor in the water dam.

• C. Water pressure is equal to the gravitational pressure of 9.81 ms^-2.

• D. Flux cutting by the coils found in a generator motor.

2. 2. What is the voltage value used for single-phase residential wiring in Malaysia?

• A. 24V DC

• B. 240V AC

• C. 100V AC

• D. 110V AC

3. 3. What is the value of the current in a circuit if the voltage value is 10V and the value resistance is 5Ω?

• A. 1A

• B. 2A

• C. 5A

• D. 20A

4. 4. What is the unit of current in an electrical circuit or electronic circuit?

• A. Ohm

• B. MPa

• C. Kg/ms^-2

• D. Ampere

5. 5. What materials are used in thermal power stations?

• A. Solar

• B. River water

• C. Coal

• D. Windmill

6. 6. What is the function of kilowatt hour meter?

• A. Measure the value of current, voltage and resistance.

• B. Record the amount of electricity used.

• C. Distributes electricity to several other circuits.

• D. Disconnects the electricity supply in the event of an overload.

7. 7. Which of the following refers to a thermal power station?

I. Using water from dams.

II. Using high pressure air.

III. Releases high pressure steam.

IV. Using fuels such as coal.

• A. I and II

• B. I and III

• C. II and III

• D. III and IV

8. 8. Which of the following is a physical property of a conductor made of copper?

I. Easily broken

II. Easy to bend

III. The price is expensive

IV. Heavier than aluminum

• A. I, II, and III

• B. II, III, and IV

• C. I, III, and IV

• D. I, II and IV

9. 9. What is the name of the electrical symbol like the diagram above?

• A. Neutral Link

• B. Wall Lamp

• C. 13A Outlet Socket

• D. 15A Outlet Socket

10. 10. What is the name of the electrical symbol like the diagram above?

• A. Three Size Cables

• B. Three-Core Cable

• C. Three-Color Cable

• D. Six-Core Cable