NETA 3 Practice Test Questions with
Complete Solutions7
IDMT protect transformers from - ANSWERS-Overloads and external short circuits
Fuse holders for cartridge fuses should be designed to prevent using a ______ lower or a
_____higher than intended class - ANSWERS-Voltage current
Class R fuses may be inserted in fuse holders of a ____ design - ANSWERS-Class H
Air circuit breaker arcing contacts are designed to make ______ and break _____ the main
contacts open - ANSWERS-Before after
Primary protection for internal transformer faults - ANSWERS-Differential
Amps cities in NEC table310.15B16 are based on ambient temperature of - ANSWERS-86F
Delta T of 10C between component and air needs - ANSWERS-Warrants investigation
Motor overload protection is designed to break short circuit or ground fault current true or false
- ANSWERS-False
Which standard addresses equipment grounding - ANSWERS-NFPA 70
Which SCADA communication is only appropriate for short distances - ANSWERS-CAT 6
, What is the cell voltage deviation that indicates need for equalizing charge. _____ volts -
ANSWERS-0.05
A 21 device measures - ANSWERS-Volts and amps
If the person who installed LOTO cannot remove it, another person may under direction of
_____ provided the ____ strictly adhered to standard procedure - ANSWERS-Employer
employer
At what elevation will ohm reading accuracy be affected
_______ meters - ANSWERS-2000
A dc series motor should - ANSWERS-Never be operated without a load
A dc compound motor connects the field windings in - ANSWERS-Shunt and series
This dc motor has good speed regulation but poor starting torque - ANSWERS-Shunt
Maximum deviation allowed between fuse resistances for an in service medium voltage motor
starter. ______% - ANSWERS-15
Zigzag transformers consisting of three transformers with a ratio of - ANSWERS-1:1
Conventional grease for use in circuit breakers is composed of - ANSWERS-Emulsifiers and oil
Amp hour meters in a battery are used to measure - ANSWERS-Electric charge
Complete Solutions7
IDMT protect transformers from - ANSWERS-Overloads and external short circuits
Fuse holders for cartridge fuses should be designed to prevent using a ______ lower or a
_____higher than intended class - ANSWERS-Voltage current
Class R fuses may be inserted in fuse holders of a ____ design - ANSWERS-Class H
Air circuit breaker arcing contacts are designed to make ______ and break _____ the main
contacts open - ANSWERS-Before after
Primary protection for internal transformer faults - ANSWERS-Differential
Amps cities in NEC table310.15B16 are based on ambient temperature of - ANSWERS-86F
Delta T of 10C between component and air needs - ANSWERS-Warrants investigation
Motor overload protection is designed to break short circuit or ground fault current true or false
- ANSWERS-False
Which standard addresses equipment grounding - ANSWERS-NFPA 70
Which SCADA communication is only appropriate for short distances - ANSWERS-CAT 6
, What is the cell voltage deviation that indicates need for equalizing charge. _____ volts -
ANSWERS-0.05
A 21 device measures - ANSWERS-Volts and amps
If the person who installed LOTO cannot remove it, another person may under direction of
_____ provided the ____ strictly adhered to standard procedure - ANSWERS-Employer
employer
At what elevation will ohm reading accuracy be affected
_______ meters - ANSWERS-2000
A dc series motor should - ANSWERS-Never be operated without a load
A dc compound motor connects the field windings in - ANSWERS-Shunt and series
This dc motor has good speed regulation but poor starting torque - ANSWERS-Shunt
Maximum deviation allowed between fuse resistances for an in service medium voltage motor
starter. ______% - ANSWERS-15
Zigzag transformers consisting of three transformers with a ratio of - ANSWERS-1:1
Conventional grease for use in circuit breakers is composed of - ANSWERS-Emulsifiers and oil
Amp hour meters in a battery are used to measure - ANSWERS-Electric charge
