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Unit 18 - Prepare for general electrical installations Quiz 2
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1. Remove all the handouts and phones
2. Talking is not allowed
3. Raise up your hand if you need anything.
4. Do not cheat because you would be penalized if you are caught
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Right to left
Left to right
Q1
Score: 1
a. It is expensive
b. Needs extra voltage to operate
c. Requires time for the heat to build in the heater before the bimetal bends
d. Operates instantaneous
Q2
Score: 1
a. earth
b. earthing
c. bonding conductor
d. circuit protective conductor
Q3
Score: 1
a.Electric shock from direct contact.
b.Electric shock from indirect contact.
c. Electric shock from over-current.
d. Electric shock from under voltage.
Q4
Score: 1
earthing
bonding
basic protection
fault protection
Q5
Score: 1
a. Over-voltage
b. Under voltage
c. Over current
d. Stable voltage between neutral conductors and the installation earth
Q6
Score: 1
a. A lighting circuits.
b. A water heater circuit.
c. A security alarm circuit.
d. A three-phase motor circuit.
Q7
Score: 1
a. Large circuit currents.
b. Large short circuit currents.
c. Out of balance circuit currents.
d. Reduction in circuit currents.
Q8
Score: 1
fault protection
an overcurrent
an overload current
a short-circuit current
Q9
Score: 1
a. Excessive load
b. Defective motor
c. Open circuit
d. Ground fault
Q10
Score: 1
fault protection
a circuit protective conductor
a fuse
a consumer unit
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