IEC 4th year Final Questions With
Complete Solutions
Duty on escalator and moving walk driving machine motors
shall be rated as ___.
Select one:
a. continuous
b. intermittent
c. varying
d. periodic
e. short-time Correct Answers a. continuous
hh hh
Each carnival ride and concession shall be provided with a fused
disconnect switch located within sight of and within ___ feet of
the operator's station.
Select one:
a. 8
b. 10
c. 6
d. 25
e. 50 Correct Answers c. 6
hh hh
An RV campground has 150 campsites with electrical power.
Twenty-five of the campsites are reserved as tent sites. How
many sites are required to have a 30-amp, 125-volt receptacle?
Select one:
a. 0
b. 125
c. 150
d. 88
,e. 25 Correct Answers d. 88
hh hh
Receptacles that provide shore power for boats shall be rated not
less than ___ amperes.
Select one:
a. 20
b. 30
c. 40
d. 50 Correct Answers b. 30
hh hh
Supply cords for mobile homes shall be rated not less than ___
amperes.
Select one:
a. 100
b. 60
c. 50
d. 125 Correct Answers c. 50
hh hh
Overcurrent protection for feeders and branch circuits supplying
electric vehicle supply equipment shall have a rating of not less
than ___% of the maximum load of the electric vehicle supply
equipment.
Select one:
a. 80
b. 200
c. 125
d. 100
e. 150 Correct Answers c. 125
hh hh
,Lamps in cellulose nitrate film storage vaults shall be installed
in rigid luminaires of the ___ type.I. glass-enclosed II. guarded
III. gasketed
Select one:
a. I & III only
b. I, II & III
c. II & III only
d. II only
e. I & II only Correct Answers a. I & III only
hh hh
A theater stage switchboard is used primarily to feed stage
equipment and can contain ___, dimmers or relays with
associated overcurrent protective devices, or overcurrent
protective devices alone.
Select one:
a. fuses
b. dimmers
c. relays
d. all of these Correct Answers d. all of these
hh hh
A ___ is an assembly cable containing one male and two female
cord connectors used to connect two loads to one branch circuit.
Select one:
a. tap box
b. splitter
c. transfer cable
d. two-fer
e. breakout assembly Correct Answers d. two-fer
hh hh
What is the maximum distance that a disconnect can be located
from the operator's station for a carnival ride?
, Select one:
a. 10 ft.
b. 50 ft.
c. 25 ft.
d. 6 ft Correct Answers d. 6 ft.
hh hh
In a recreational vehicle park with electrical supply, at least
___% of the sites shall be equipped with 30-ampere, 125-volt
receptacles.
Select one:
a. 100
b. 5
c. 70
d. 20 Correct Answers c. 70
hh hh
Every recreational vehicle site with electrical supply shall be
equipped with at least ___ 20-ampere, 125-volt receptacle(s).
Select one:
a. one
b. three
c. two
d. four
e. none are required Correct Answers a. one
hh hh
The power supply cord to a mobile home must not be longer
than ___ feet.
Select one:
a. 361/2
b. 21
c. 261/2
d. 20
Complete Solutions
Duty on escalator and moving walk driving machine motors
shall be rated as ___.
Select one:
a. continuous
b. intermittent
c. varying
d. periodic
e. short-time Correct Answers a. continuous
hh hh
Each carnival ride and concession shall be provided with a fused
disconnect switch located within sight of and within ___ feet of
the operator's station.
Select one:
a. 8
b. 10
c. 6
d. 25
e. 50 Correct Answers c. 6
hh hh
An RV campground has 150 campsites with electrical power.
Twenty-five of the campsites are reserved as tent sites. How
many sites are required to have a 30-amp, 125-volt receptacle?
Select one:
a. 0
b. 125
c. 150
d. 88
,e. 25 Correct Answers d. 88
hh hh
Receptacles that provide shore power for boats shall be rated not
less than ___ amperes.
Select one:
a. 20
b. 30
c. 40
d. 50 Correct Answers b. 30
hh hh
Supply cords for mobile homes shall be rated not less than ___
amperes.
Select one:
a. 100
b. 60
c. 50
d. 125 Correct Answers c. 50
hh hh
Overcurrent protection for feeders and branch circuits supplying
electric vehicle supply equipment shall have a rating of not less
than ___% of the maximum load of the electric vehicle supply
equipment.
Select one:
a. 80
b. 200
c. 125
d. 100
e. 150 Correct Answers c. 125
hh hh
,Lamps in cellulose nitrate film storage vaults shall be installed
in rigid luminaires of the ___ type.I. glass-enclosed II. guarded
III. gasketed
Select one:
a. I & III only
b. I, II & III
c. II & III only
d. II only
e. I & II only Correct Answers a. I & III only
hh hh
A theater stage switchboard is used primarily to feed stage
equipment and can contain ___, dimmers or relays with
associated overcurrent protective devices, or overcurrent
protective devices alone.
Select one:
a. fuses
b. dimmers
c. relays
d. all of these Correct Answers d. all of these
hh hh
A ___ is an assembly cable containing one male and two female
cord connectors used to connect two loads to one branch circuit.
Select one:
a. tap box
b. splitter
c. transfer cable
d. two-fer
e. breakout assembly Correct Answers d. two-fer
hh hh
What is the maximum distance that a disconnect can be located
from the operator's station for a carnival ride?
, Select one:
a. 10 ft.
b. 50 ft.
c. 25 ft.
d. 6 ft Correct Answers d. 6 ft.
hh hh
In a recreational vehicle park with electrical supply, at least
___% of the sites shall be equipped with 30-ampere, 125-volt
receptacles.
Select one:
a. 100
b. 5
c. 70
d. 20 Correct Answers c. 70
hh hh
Every recreational vehicle site with electrical supply shall be
equipped with at least ___ 20-ampere, 125-volt receptacle(s).
Select one:
a. one
b. three
c. two
d. four
e. none are required Correct Answers a. one
hh hh
The power supply cord to a mobile home must not be longer
than ___ feet.
Select one:
a. 361/2
b. 21
c. 261/2
d. 20
