ELECTRICIAN (CUNY) EXAM C EXAM REVIEW
SOLVED QUESTIONS WITH ACCURATE
ANSWERS
◉ Voltage is _________ to the # of turns.
Answer: Proportional
◉ To select the proper fuse, it is necessary to know the....
Answer: voltage and amperage
◉ When under ordinary conditions, device boxes for concealed work
shall have a depth of not less than....
Answer: 1/2"
◉ The largest size conductor that may be used in under floor
raceway is....
Answer: that for which it is designed for
◉ A 277V light circuit may not be used to supply....
Answer: A standard medium base
,◉ To determine the insulation resistance of a newly installed wiring
system, best procedure is t megger test....
Answer: between the wires and from each wire to the conduit
◉ Fixed appliance versus portable appliance ampacitiy ratings.
Answer: Fixed appliance= 50%
Portable appliance = 80%
◉ In a three wire attachment plug....
Answer: you must identify one of the terminals.
◉ Fuse holders for current limiting type fuses shall prevent the
insertion of fuses that are....
Answer: 1) Smaller rating
2) non- current limiting type
AND
3) higher voltage
◉ Coordination of service over current and 2nd OCPD is required
when the service OCPD is....
Answer: rated above 1204A
, ◉ An automatic overload circuit breaker will protect the equipment
in the circuit when its overloaded device is.
Answer: in series with the conductors supplying the load.
◉ Plug fuses having a hexagonal shaped window have a max rating
of.
Answer: 15A
◉ A 15A, 125V circuit may protect several, small motors providing.
Answer: The largest motor is less than 1HP
◉ A fuse or circuit breaker should be provided at every point where.
Answer: A change is made in the size of the wire.
◉ An air circuit breaker calibrated at 15A should be constructed so
that the calibrated can be changed by....
Answer: dismantling or breaking of the seal.
◉ If a motor has a circuit breaker of the time limit type for the
overload protection it setting shall be no higher of full load than....
Answer: 115%
SOLVED QUESTIONS WITH ACCURATE
ANSWERS
◉ Voltage is _________ to the # of turns.
Answer: Proportional
◉ To select the proper fuse, it is necessary to know the....
Answer: voltage and amperage
◉ When under ordinary conditions, device boxes for concealed work
shall have a depth of not less than....
Answer: 1/2"
◉ The largest size conductor that may be used in under floor
raceway is....
Answer: that for which it is designed for
◉ A 277V light circuit may not be used to supply....
Answer: A standard medium base
,◉ To determine the insulation resistance of a newly installed wiring
system, best procedure is t megger test....
Answer: between the wires and from each wire to the conduit
◉ Fixed appliance versus portable appliance ampacitiy ratings.
Answer: Fixed appliance= 50%
Portable appliance = 80%
◉ In a three wire attachment plug....
Answer: you must identify one of the terminals.
◉ Fuse holders for current limiting type fuses shall prevent the
insertion of fuses that are....
Answer: 1) Smaller rating
2) non- current limiting type
AND
3) higher voltage
◉ Coordination of service over current and 2nd OCPD is required
when the service OCPD is....
Answer: rated above 1204A
, ◉ An automatic overload circuit breaker will protect the equipment
in the circuit when its overloaded device is.
Answer: in series with the conductors supplying the load.
◉ Plug fuses having a hexagonal shaped window have a max rating
of.
Answer: 15A
◉ A 15A, 125V circuit may protect several, small motors providing.
Answer: The largest motor is less than 1HP
◉ A fuse or circuit breaker should be provided at every point where.
Answer: A change is made in the size of the wire.
◉ An air circuit breaker calibrated at 15A should be constructed so
that the calibrated can be changed by....
Answer: dismantling or breaking of the seal.
◉ If a motor has a circuit breaker of the time limit type for the
overload protection it setting shall be no higher of full load than....
Answer: 115%
