NEW
Font size
WorksheetsEIM Reviewer Part 1
Total questions: 15
Worksheet time: 8mins
Which of the ff. electrical parameters apply or labeled to all kinds of switches?
Rated power and rated voltage
Rated resistance and rated current
Rated current and rated voltage
Rated power and rated current
A portable grinder is considered a
Hydraulic tool
Electrical tool
Plumbing tool
All of the above
A mechanical device such as locknut, bushing or connectors intended primarily for a mechanical rather than an electrical function.
Conduit
Fittings
Expander
Tighteners
A part providing an appropriate degree protection of equipment against external influences and defined degree of protection against contacts with live parts in any direction.
Cabinet
Panel board
Switch gear
Enclosure
A point in the wiring system at which current is taken to supply an utilization equipment
Branch circuit
Feeder circuit
Convenience outlet
Jumper connection
In conduit installation, to make a 90 degree bend you will use mechanical rather than electrical function.
Offset
Elbow
Reducer
Bending
What are the types of fittings commonly used for tightening between boxes and the conduit?
Straight connector
Condulet
Conduit strap
Locknut and bushing
The box used for typical switches
Splice box
Full box
Square box
Utility box
A technical term for type TW wires used in building wiring is
Moisture resistance
Plastic
PVC insulated resistance
Polyethylene insulated
A circuit breaker is an electrical device which
Protects electrical equipment from incoming spike voltage
Protects electrical equipment from current surges and overloads
Breaks power flow when a very low voltage is encountered
Trips off when a very low current is encountered
An electrician should always have his tools in good working condition. The most important reason is
You have to exert more effort when using defective tools
Your job cannot be satisfactory done without good tools
It is not your job to keep tools in good working condition
Defective tools can cause accidents or damage to equipment
What will you do if the load schedule reflects a 20AT/2.0 sq. mm. Lighting Branch Circuit of which circuit breaker is overrated?
Wait for the supervisor and let him do the corrections
Look for another load schedule and check for differences
Look for wiring layout and check groupings
Change rating to 15AT to conform with PEC requirements
A live duplex wire can be de-energized quickly by cutting-
Across with an electrical pliers
Across using a mechanical pliers
One by one with a knife
One by one using diagonal cutter
When measuring load current, an ammeter is connected
Parallel with the load
In series with the load
Across the terminals of the load
From one load terminal to ground
The current is directly proportional to the voltage and inversely proportional to resistance
Lenz's Law
Power Law
Faraday's Law
Ohm's Law
