Practice test PSI
A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A circuit breaker does not have an interrupter rating shown on it. What is the interrupter rating
of this circuit breaker? - ANS -5,000 amperes
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A fitting is a part of a wiring system that is intended primarily to perform which type of function?
- ANS -mechanical
\A fitting is a part of a wiring system that is intended primarily to perform which type of function?
- ANS -mechanical
\A metal underground water pipe used as a grounding electrode shall be in direct contact with
the earth for a minimum of how many feet? - ANS -10 feet
\A minimum of how many threads needs to be engaged if machine screws are used to fasten
bonding jumpers? - ANS -2
\A minimum of how many threads needs to be engaged if machine screws are used to fastern
bonding jumpers? - ANS -2
\A motor controller disconnecting means shall be permitted to be out of sight of the controller for
motor circuits over how many volts? - ANS -1,000 volts, nominal
\A motor controller disconnecting means shall be permitted to be out of sight of the controller for
motor circuits over how many volts? - ANS -1,000 volts, nominal
\A motor with a code letter of D shall have what range of kilowatt amperes per horsepower with
locked rotor? - ANS -4.00 to 4.49
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
, \A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A resistor has the following colored bands (in order): orange, red, brown, silver. What is the
resistor value? - ANS -320 Ohms (10% tolerance)
\A resistor has the following colored bands (in order): orange, red, brown, silver. What is the
resistor value? - ANS -320 Ohms (10% tolerance)
\A written emergency action plan is required for all employers with how many employees? - ANS
-11 employees or more.
\All employees must receive training on working in confined and enclosed spaces when working
in open pits that are greater than how many feet in depth? - ANS -4 feet
\All employees must receive working in open pits that are greater than how training on working
in confined and enclosed spaces when many feet in depth? - ANS -4 feet
\All of the following types of cable are permitted to be used as underground service conductors
EXCEPT - ANS -Type AC.
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\An appliance draws 40 amperes when used on a circuit. A bad splice is discovered on the line
at the appliance on one of the phase conductors. The splice has a measured resistance of 0.5
ohms. How much power is lost at the splice? - ANS -800 watts
\An appliance for a residence is rated at 30 amperes. It is continuously loaded and is not
motor-operated. What is the minimum branch circuit rating that is required if the branch circuit
device is not listed for continuous loading? - ANS -40 amperes
\Approximately how many kilowatts are used by a three-phase, 480- voit ac motor that draws a
current of 52 amperes and has a power factor rating of 88 % - ANS -480v x 52a x 1.735=
43180W x .88= 38000w
\Approximately how many kilowatts are used by a three-phase, 480- volt ac motor that draws a
current of 52 amperes and has a power factor rating of 88%? - ANS -38 kW
\Assembly occupancies include portions of buildings or structures designed or intended for the
gathering together of how many people? - ANS -100 or more
\Conductors that supply single motor used in a continuous duty application shall have an
ampacity of not less than what percentage of the motor full-load current rating? - ANS -125%
\Disregarding exceptions, conductors used for direct burial applications shall be shielded if rated
above which of the following? - ANS -2,000 volts
\Disregarding exceptions, conductors used for direct burial applications shall be shielded if rated
above which of the following? - ANS -2,000 volts
A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A 3-hp pump is installed 220 feet from the 220-volt main service. What is the voltage drop when
using 12 AWG solid wire? - ANS -8.8 volts
\A circuit breaker does not have an interrupter rating shown on it. What is the interrupter rating
of this circuit breaker? - ANS -5,000 amperes
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A continuous load is a load where the maximum current is expected to continue for at least how
long? - ANS -3 hours
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A feeder supplies a continuous lighting load of 45 amperes and a single motor load of 30
amperes. What is the ampere rating of the feeder? - ANS -94 amperes
\A fitting is a part of a wiring system that is intended primarily to perform which type of function?
- ANS -mechanical
\A fitting is a part of a wiring system that is intended primarily to perform which type of function?
- ANS -mechanical
\A metal underground water pipe used as a grounding electrode shall be in direct contact with
the earth for a minimum of how many feet? - ANS -10 feet
\A minimum of how many threads needs to be engaged if machine screws are used to fasten
bonding jumpers? - ANS -2
\A minimum of how many threads needs to be engaged if machine screws are used to fastern
bonding jumpers? - ANS -2
\A motor controller disconnecting means shall be permitted to be out of sight of the controller for
motor circuits over how many volts? - ANS -1,000 volts, nominal
\A motor controller disconnecting means shall be permitted to be out of sight of the controller for
motor circuits over how many volts? - ANS -1,000 volts, nominal
\A motor with a code letter of D shall have what range of kilowatt amperes per horsepower with
locked rotor? - ANS -4.00 to 4.49
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
, \A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A panelboard for a mobile home shall be rated not less than which of the following? - ANS -50
amperes
\A resistor has the following colored bands (in order): orange, red, brown, silver. What is the
resistor value? - ANS -320 Ohms (10% tolerance)
\A resistor has the following colored bands (in order): orange, red, brown, silver. What is the
resistor value? - ANS -320 Ohms (10% tolerance)
\A written emergency action plan is required for all employers with how many employees? - ANS
-11 employees or more.
\All employees must receive training on working in confined and enclosed spaces when working
in open pits that are greater than how many feet in depth? - ANS -4 feet
\All employees must receive working in open pits that are greater than how training on working
in confined and enclosed spaces when many feet in depth? - ANS -4 feet
\All of the following types of cable are permitted to be used as underground service conductors
EXCEPT - ANS -Type AC.
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\Alternating-current systems of less than 50 volts shall be grounded where supplied by
transformers, if the transformer supply system exceeds which of the following? - ANS -150 volts
to ground
\An appliance draws 40 amperes when used on a circuit. A bad splice is discovered on the line
at the appliance on one of the phase conductors. The splice has a measured resistance of 0.5
ohms. How much power is lost at the splice? - ANS -800 watts
\An appliance for a residence is rated at 30 amperes. It is continuously loaded and is not
motor-operated. What is the minimum branch circuit rating that is required if the branch circuit
device is not listed for continuous loading? - ANS -40 amperes
\Approximately how many kilowatts are used by a three-phase, 480- voit ac motor that draws a
current of 52 amperes and has a power factor rating of 88 % - ANS -480v x 52a x 1.735=
43180W x .88= 38000w
\Approximately how many kilowatts are used by a three-phase, 480- volt ac motor that draws a
current of 52 amperes and has a power factor rating of 88%? - ANS -38 kW
\Assembly occupancies include portions of buildings or structures designed or intended for the
gathering together of how many people? - ANS -100 or more
\Conductors that supply single motor used in a continuous duty application shall have an
ampacity of not less than what percentage of the motor full-load current rating? - ANS -125%
\Disregarding exceptions, conductors used for direct burial applications shall be shielded if rated
above which of the following? - ANS -2,000 volts
\Disregarding exceptions, conductors used for direct burial applications shall be shielded if rated
above which of the following? - ANS -2,000 volts
