IEC Chapter final Exam 135 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The unit of measurement for resistance is represented by the letter or symbol _________. -
CORRECT ANSWER - Ohms
Voltage is represented by the letter or symbol ________. - CORRECT ANSWER -E
Current is represented by the letter or symbol _______. - CORRECT ANSWER -I
Power is represented by the letter or symbol _______. - CORRECT ANSWER -P
Opposition to current flow is generally termed __________. - CORRECT ANSWER -
resistance
Article _______ in the NEC distinguishes between an outlet and a receptacle. - CORRECT
ANSWER - 100
It is safer when using a wrench to adjust your stance and then______ on the wrench handle. -
CORRECT ANSWER - pull
Which tools would be best to use to tighten the locknut/connector to the box?
I. linemans pliers and a flat blade screwdriver
II. Tongue and groove pliers - CORRECT ANSWER - II
Improper torque can cause_____.
I. injury or death
,II. Fasteners to prematurely wear or break
III. overheating of electrical terminals - CORRECT ANSWER - all of the above
Single ladders longer than _____ feet should not be used. - CORRECT ANSWER - 30 feet
Code article ______ covers temporary wiring. - CORRECT ANSWER - 590
Look in the NEC Index and find uses permitted for AC cable. The code reference for this is
_______. - CORRECT ANSWER - 320.10
According to the NEC Index, branch circuits are covered under in Articles _____. - CORRECT
ANSWER - 210 and 220
Chapters 5,6, and 7 of the NEC relate to: - CORRECT ANSWER - special occupancies and
conditions along with special equipment
A particular load is rated to use 2.2 KW at 240 volts this load is connected to a 2-pole breaker in
a panel using 12 AWG conductors. How much current will this load draw? - CORRECT
ANSWER - 9.2
What kind of electrical charge does an electron have? - CORRECT ANSWER - negative
What moves or flows in a conductor to produce electric current? - CORRECT ANSWER -
Free electrons
In the international system of units, the prefix KILO- means _____. - CORRECT ANSWER -
thousand
In the international system of units, the prefix MILLI- means - CORRECT ANSWER - one
thousandth
, .0001 A= how many milliamps - CORRECT ANSWER - 100
1.2 MV= how many volts - CORRECT ANSWER - 1,200,000
30 uA+= how many Amps - CORRECT ANSWER - .00003
How would 13,800 volts be written in metric notation? - CORRECT ANSWER - 13.8 kV
3 hours 20 minutes + 1 hour 48 minutes= - CORRECT ANSWER - 5 hours 8 minutes
1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is ____. - CORRECT
ANSWER - 8
How far will the company truck go in 2.75 hours traveling 65 mph? - CORRECT ANSWER -
178.75 miles
Rounded off tot the nearest tenth, 103.49 is ____. - CORRECT ANSWER - 103.5
The outside diameter of a piece of conduit is 3.9375 inches and the inside diameter is 3.375
inches. The wall thickness of the conduit is _____ inches. - CORRECT ANSWER - .28125
41.5% of 4378 equals - CORRECT ANSWER - 1816.87
If you use 25% of the conduit from the storage rack how many feet of conduit will you have
remaining on the Rack? you started with 580 sticks of pipe that are each 10 feet long. -
CORRECT ANSWER - 4350
58,342 watts = how many kW - CORRECT ANSWER - 58.342
ACTUAL Exam Questions and CORRECT
Answers
The unit of measurement for resistance is represented by the letter or symbol _________. -
CORRECT ANSWER - Ohms
Voltage is represented by the letter or symbol ________. - CORRECT ANSWER -E
Current is represented by the letter or symbol _______. - CORRECT ANSWER -I
Power is represented by the letter or symbol _______. - CORRECT ANSWER -P
Opposition to current flow is generally termed __________. - CORRECT ANSWER -
resistance
Article _______ in the NEC distinguishes between an outlet and a receptacle. - CORRECT
ANSWER - 100
It is safer when using a wrench to adjust your stance and then______ on the wrench handle. -
CORRECT ANSWER - pull
Which tools would be best to use to tighten the locknut/connector to the box?
I. linemans pliers and a flat blade screwdriver
II. Tongue and groove pliers - CORRECT ANSWER - II
Improper torque can cause_____.
I. injury or death
,II. Fasteners to prematurely wear or break
III. overheating of electrical terminals - CORRECT ANSWER - all of the above
Single ladders longer than _____ feet should not be used. - CORRECT ANSWER - 30 feet
Code article ______ covers temporary wiring. - CORRECT ANSWER - 590
Look in the NEC Index and find uses permitted for AC cable. The code reference for this is
_______. - CORRECT ANSWER - 320.10
According to the NEC Index, branch circuits are covered under in Articles _____. - CORRECT
ANSWER - 210 and 220
Chapters 5,6, and 7 of the NEC relate to: - CORRECT ANSWER - special occupancies and
conditions along with special equipment
A particular load is rated to use 2.2 KW at 240 volts this load is connected to a 2-pole breaker in
a panel using 12 AWG conductors. How much current will this load draw? - CORRECT
ANSWER - 9.2
What kind of electrical charge does an electron have? - CORRECT ANSWER - negative
What moves or flows in a conductor to produce electric current? - CORRECT ANSWER -
Free electrons
In the international system of units, the prefix KILO- means _____. - CORRECT ANSWER -
thousand
In the international system of units, the prefix MILLI- means - CORRECT ANSWER - one
thousandth
, .0001 A= how many milliamps - CORRECT ANSWER - 100
1.2 MV= how many volts - CORRECT ANSWER - 1,200,000
30 uA+= how many Amps - CORRECT ANSWER - .00003
How would 13,800 volts be written in metric notation? - CORRECT ANSWER - 13.8 kV
3 hours 20 minutes + 1 hour 48 minutes= - CORRECT ANSWER - 5 hours 8 minutes
1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is ____. - CORRECT
ANSWER - 8
How far will the company truck go in 2.75 hours traveling 65 mph? - CORRECT ANSWER -
178.75 miles
Rounded off tot the nearest tenth, 103.49 is ____. - CORRECT ANSWER - 103.5
The outside diameter of a piece of conduit is 3.9375 inches and the inside diameter is 3.375
inches. The wall thickness of the conduit is _____ inches. - CORRECT ANSWER - .28125
41.5% of 4378 equals - CORRECT ANSWER - 1816.87
If you use 25% of the conduit from the storage rack how many feet of conduit will you have
remaining on the Rack? you started with 580 sticks of pipe that are each 10 feet long. -
CORRECT ANSWER - 4350
58,342 watts = how many kW - CORRECT ANSWER - 58.342
