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Quiz 1 Unit 18- prepare for general electrical installation
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Test instructions
Remove all the materials including your cell phones
Calculators would be provided
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Follow all the instructions
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Left to right
Q1
Score: 1
a. Save money
b. Reduce time for wiring
c. Avoid danger and minimize inconvenience in the event of fault .
d. It makes installation bigger.
Q2
Score: 1
a. Direct and indirect contact
b. Thermal effects and vibration
c. Overload and over current
d. Location and separable of flammable materials
Q3
Score: 1
a. Barriers and enclosures to IPXXB or IP2X
b. Insulation of live parts
c. Protective earthing and protective equipotential bonding
d. Placing out of reach
Q4
Score: 1
a. Insulation of live parts
b. Barriers or enclosures
c. Protective earthing and bonding
d. Obstacle
Q5
Score: 1
a. Linked switch
b. Residual current device
c. Disconnector
d. Circuit breaker
Q6
Score: 1
a. Size and nature of the installation, required current carrying capacity.
b. Location of the building, the number of people
c. Temperature and humidity
d. Vibration and water
Q7
Score: 1
a. Provide enough spaces
b. Save a lot of money
c. Provide protection against overload and short circuit current
d. Daily demand
Q8
Score: 1
a. Protection against shock under fault conditions
b. Protection against shock under fault free conditions
c. Protection against contact with live parts under fault free conditions
d. Protection against faults under sound electrical conditions
Q9
Score: 1
a. Fuse
b. Breaker
c. Limit switches and mechanical brakes
d. Earth rod
Q10
Score: 1
a. Bonding
b. Connection of exposed metalwork to the protective conductor
c. Earthing in the fixed wiring of the installation
d. Supplementary insulation
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