
Installation Theory 2
Quiz
•
Physics, Mathematics, English
•
1st - 2nd Grade
•
Practice Problem
•
Hard
Emilio Esposito
Used 35+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Steel conduit connections must be tight at the point of connection from adaptable boxes in order to?
Maintain electrical continuity
Keep it air tight
Prevent dust
Protect cable insulation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following types of conduit should be used for a flameproof/gas tight installation?
Light gauge seam welded
Light gauge solid drawn
Heavy gauge solid drawn
Flexible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The purpose of supplementary bonding is to...
Make sure switches are connected in the line conductor
Bring bonded parts to a common potential
Increase earth loop impedance
Provide a shunt path for fault currents
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A polarity test is necessary to ensure that...
Earthing is satisfactory
Circuit functions correctly
Motors do not run the wrong way
Switches are connected in line conductor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The most common wiring system for a domestic electrical installation would be...
Silicon rubber cable in PVC Conduit
Mineral insulated metal sheathed cable
Flat profile twin and CPC
PVC insulated in galvanised conduit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Placing a device in a circuit to protect cables and equipment against the effect of excess currents of at least 1.25 to 2 times the normal rating is called?
Earth fault protection
Overcurrent protection
Open circuit protection
Mechanical protection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The letters PME stand for?
Protective multiple earthing
Protective main earthing
Permanent main earthing
Present main earthing
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