NOCTI Electrical Practice Exam
Questions and Correct Answers
Already Passed
When measuring an electrical circuit, current is measured in - Answer- amps
An appropriate use for a voltmeter is to - Answer- measure difference of potential
A digital multimeter (DMM) will display continuity if the - Answer- meter reads 0 ohms or
very low resistance
Looking at the picture below, what type of screwdriver head tip is Figure 1? - Answer-
Phillips head tip
The tool below is a - Answer- fish tape
When referring to NM-B 12/3 wire, the number 12 refers to the - Answer- wire gauge
When reading blueprints, a compass rose indicates - Answer- north on the drawing
A house has 7 rooms which require 48 feet of 12-2 w/ ground non-metallic cable. What
is the minimum quantity of 100-foot rolls that need to be ordered? - Answer- 4 rolls
On a blueprint scale of 1/8 inch = 1 foot, a 3-1/2 inch length represents - Answer- 28
feet
The term used to express frequency is - Answer- hertz
The circuit below is identified as a - Answer- combination series parallel
Using the diagram below, what is the amount of wattage produced in series circuit
consisting of 4 resistors of 50 Ω each with a 120-volt source? - Answer- 72 watts
In an AC circuit, if resistance remains the same and voltage is doubled, then current -
Answer- is doubled
What is the minimum number of 600-watt dimmer switches needed for 22, 75-watt
recessed bulbs? - Answer- 3
Questions and Correct Answers
Already Passed
When measuring an electrical circuit, current is measured in - Answer- amps
An appropriate use for a voltmeter is to - Answer- measure difference of potential
A digital multimeter (DMM) will display continuity if the - Answer- meter reads 0 ohms or
very low resistance
Looking at the picture below, what type of screwdriver head tip is Figure 1? - Answer-
Phillips head tip
The tool below is a - Answer- fish tape
When referring to NM-B 12/3 wire, the number 12 refers to the - Answer- wire gauge
When reading blueprints, a compass rose indicates - Answer- north on the drawing
A house has 7 rooms which require 48 feet of 12-2 w/ ground non-metallic cable. What
is the minimum quantity of 100-foot rolls that need to be ordered? - Answer- 4 rolls
On a blueprint scale of 1/8 inch = 1 foot, a 3-1/2 inch length represents - Answer- 28
feet
The term used to express frequency is - Answer- hertz
The circuit below is identified as a - Answer- combination series parallel
Using the diagram below, what is the amount of wattage produced in series circuit
consisting of 4 resistors of 50 Ω each with a 120-volt source? - Answer- 72 watts
In an AC circuit, if resistance remains the same and voltage is doubled, then current -
Answer- is doubled
What is the minimum number of 600-watt dimmer switches needed for 22, 75-watt
recessed bulbs? - Answer- 3
