ELECTRICAL INSTALLATIONS AND MAINTENANCE
EXAM QUESTIONS AND CORRECT ANSWERS
Ampere
A unit of measure of electric current
Circuit
The path of electric current from the source to the components and goes back to
the source
Kilowatt
A unit of power equivalent to 1000 W
Conductor
A wire or a cord which provides path for current flow
Resistance
The quality of electric current measured in ohms that resist the flow of current
Hot wire
A wire through which current flows
Insulator
A material use to cover electric wires which may be made from plastic, rubber,
or asbestos
Tools
Implements used to modify raw materials for human use
Corrugated plastic conduit
,Commonly known as flexible nonmetallic conduit or mold flex
Metallic conduits
Metallic raceways
Rigid steel conduit, intermediate metallic can do it or tubing, electrical metallic
conduit or tubing, flexible metallic conduit
Metal raceways or metallic conduit are classified into four:
Nonmetallic conduits
Plastic conduits or raceways designed to be a channel of wire that can be
classified as rigid nonmetallic conduit or PVC, flexible nonmetallic or CPC, and
surface plastic molding
Connectors and adapters
Accessories that are used to connect boxes to conduits or raceways to other
boxes in the electrical system
Screwdrivers
They are used to loosen or tighten screws with slotted heads. It also comes in
various shapes and sizes
Steel
Screwdrivers are tools that are made of ___ hardened and tempered at the tip
Standard or flat screwdriver, Philips screwdriver, stubby screwdriver, Allen
screwdriver or wrenches
What are the four kinds of screwdriver?
Standard or flat screwdriver
The blade tip is wedge shaped and resembles a negative sign
, Standard or flat screwdriver
It is used to drive screws with a single slot head
Philips screwdriver
This has a cross tip resembling a positive sign
Philips screwdriver
Used to drive screws with crossed slot head
Stubby screwdriver
This comes in either standard or Phillips screwdriver with short shank or blade
and a shortened handle
Stubby screwdriver
EXAM QUESTIONS AND CORRECT ANSWERS
Ampere
A unit of measure of electric current
Circuit
The path of electric current from the source to the components and goes back to
the source
Kilowatt
A unit of power equivalent to 1000 W
Conductor
A wire or a cord which provides path for current flow
Resistance
The quality of electric current measured in ohms that resist the flow of current
Hot wire
A wire through which current flows
Insulator
A material use to cover electric wires which may be made from plastic, rubber,
or asbestos
Tools
Implements used to modify raw materials for human use
Corrugated plastic conduit
,Commonly known as flexible nonmetallic conduit or mold flex
Metallic conduits
Metallic raceways
Rigid steel conduit, intermediate metallic can do it or tubing, electrical metallic
conduit or tubing, flexible metallic conduit
Metal raceways or metallic conduit are classified into four:
Nonmetallic conduits
Plastic conduits or raceways designed to be a channel of wire that can be
classified as rigid nonmetallic conduit or PVC, flexible nonmetallic or CPC, and
surface plastic molding
Connectors and adapters
Accessories that are used to connect boxes to conduits or raceways to other
boxes in the electrical system
Screwdrivers
They are used to loosen or tighten screws with slotted heads. It also comes in
various shapes and sizes
Steel
Screwdrivers are tools that are made of ___ hardened and tempered at the tip
Standard or flat screwdriver, Philips screwdriver, stubby screwdriver, Allen
screwdriver or wrenches
What are the four kinds of screwdriver?
Standard or flat screwdriver
The blade tip is wedge shaped and resembles a negative sign
, Standard or flat screwdriver
It is used to drive screws with a single slot head
Philips screwdriver
This has a cross tip resembling a positive sign
Philips screwdriver
Used to drive screws with crossed slot head
Stubby screwdriver
This comes in either standard or Phillips screwdriver with short shank or blade
and a shortened handle
Stubby screwdriver
