Ri journeyman exam prep questions with complete solutions
.___________ is a device that protects wiring from short circuit
faults.
a. Disconnect
b. Ground fault circuit interrupter
c. Circuit Breaker
d. Arc fault circuit interrupter Correct Answers Circuit breaker
.If a single receptacle is to be installed on a 20A circuit that
receptacle must be rated for_______.
a. 15A
b. 20A
c. 30A
d. 25A Correct Answers 20A
¾" is the minimum size flexible metal conduit.
a. True
b. False Correct Answers False
8.lf a capacitor has potential between plates is it charged?
True
False Correct Answers True
A 208-volt 3-phase, 50hp, squirrel-cage, continuous-duty, ac
motor has a full load running current rating of ____________
a. 130A
b. 143A
c. 162A
d.195A Correct Answers 143A
,A 24 volt thermostat cable is permitted to be supported by the
raceway drop feeding power to the boiler it controls.
True
False Correct Answers True
A conducting object to which a direct connection to earth is
established is a
Equipotential bonding grid
Grounding electrode
Bonding Connection
Re-Bar Correct Answers Grounding electrode
A detached building supplied by a multi-wire branch circuit
shall have a grounding electrode installed.
True
False Correct Answers False
A dry transformer installed indoors requires 3 feet of working
clearance on all sides.
True
False Correct Answers False
A feeder tap less than 25ft long does not require overcurrent
protection at the tap if the ampacity of the tap conductor is at
least __________ of the rating of the overcurrent device
protecting the feeder conductor.
, a. one-half
b. 40%
c. one-third
d. 25% Correct Answers One-third
A handhole is an enclosure sized to allow personnel to
Enter
Reach into
Look into
Install conductors Correct Answers Reach into
A multi-pole general use snap switch shall not be permitted to
be fed from more than a single circuit unless it is listed and
marked as a two-circuit or a three-circuit switch, or unless its
voltage rating is not less than the nominal blank voltage of the
system supplying the circuits.
Phase to phase
Line to line
System
Phase to neutral Correct Answers Line to line
A municipal connected fire alarm may be wire with approved
MC Cable in lengths not exceeding feet.
50
100
200
There are no length restrictions Correct Answers There are no
length restrictions
.___________ is a device that protects wiring from short circuit
faults.
a. Disconnect
b. Ground fault circuit interrupter
c. Circuit Breaker
d. Arc fault circuit interrupter Correct Answers Circuit breaker
.If a single receptacle is to be installed on a 20A circuit that
receptacle must be rated for_______.
a. 15A
b. 20A
c. 30A
d. 25A Correct Answers 20A
¾" is the minimum size flexible metal conduit.
a. True
b. False Correct Answers False
8.lf a capacitor has potential between plates is it charged?
True
False Correct Answers True
A 208-volt 3-phase, 50hp, squirrel-cage, continuous-duty, ac
motor has a full load running current rating of ____________
a. 130A
b. 143A
c. 162A
d.195A Correct Answers 143A
,A 24 volt thermostat cable is permitted to be supported by the
raceway drop feeding power to the boiler it controls.
True
False Correct Answers True
A conducting object to which a direct connection to earth is
established is a
Equipotential bonding grid
Grounding electrode
Bonding Connection
Re-Bar Correct Answers Grounding electrode
A detached building supplied by a multi-wire branch circuit
shall have a grounding electrode installed.
True
False Correct Answers False
A dry transformer installed indoors requires 3 feet of working
clearance on all sides.
True
False Correct Answers False
A feeder tap less than 25ft long does not require overcurrent
protection at the tap if the ampacity of the tap conductor is at
least __________ of the rating of the overcurrent device
protecting the feeder conductor.
, a. one-half
b. 40%
c. one-third
d. 25% Correct Answers One-third
A handhole is an enclosure sized to allow personnel to
Enter
Reach into
Look into
Install conductors Correct Answers Reach into
A multi-pole general use snap switch shall not be permitted to
be fed from more than a single circuit unless it is listed and
marked as a two-circuit or a three-circuit switch, or unless its
voltage rating is not less than the nominal blank voltage of the
system supplying the circuits.
Phase to phase
Line to line
System
Phase to neutral Correct Answers Line to line
A municipal connected fire alarm may be wire with approved
MC Cable in lengths not exceeding feet.
50
100
200
There are no length restrictions Correct Answers There are no
length restrictions
