AET NCATT Questions with CORRECT Answers
Question:
Multiply farads by 10^6.
Answer:
302) To convert farads you must:
Question:
Multiply farads by 10^12.
Answer:
303) To convert farads to picofarads you must:
Question:
Values given for current or voltage in an AC circuit, unless otherwise stated, are
assumed to be what values?
Answer:
Effective root mean square (RMS) values.
Question:
450W
Answer:
306) How much power must a 24-volt generator furnish to a system containing the
following loads:
Question:
[One motor (75% efficient) rated at 1/5 HP (*1 HP = 746W); Three position lights rated
at 20W each; One heating element rated at 5A; One anti-collision light rated at 3A. ]
[NOTE: Motors are rated by their maximum output, or power they will deliver to the
load] 307) A 12-volt electric motor has 1000W (1kW) input and 1HP output. Maintaining
the same efficiency, how much power will a 24-volt, 1HP electric motor require?
Answer:
1,000W (1kW)
, Question:
How many ampers will a 28V generator be required to supply to a circuit containing 5
lamps in parallel, 3 of which have a resistance of [6 ohms] each and 2 of which has a
resistance of [5 ohms] each?
Answer:
25.23A
Question:
A 1HP, 24V DC electric motor that is 80% efficient requires 932.5W. How much power
will a 1HP, 12V DC electric motor that is 75% efficient require?
Answer:
994.6W
Question:
VOLTS
Answer:
310) The potential difference between two conductors which are insulated from each
other is measured in:
Question:
Which effect does not apply to the movement of electrons flowing in a conductor?
Answer:
Static Energy.
Question:
How much power will a circuit that has 5ohms of resistance and a 23A of current
produce?
Answer:
2,645W.
Question:
What is the Impedance of an AC circuit consisting of an inductor with reactance of 10
ohms, a capacitor with reactance of 4 ohms, and a resistor with resistance of 8 ohms?
Answer:
10 ohms.
Question:
Multiply farads by 10^6.
Answer:
302) To convert farads you must:
Question:
Multiply farads by 10^12.
Answer:
303) To convert farads to picofarads you must:
Question:
Values given for current or voltage in an AC circuit, unless otherwise stated, are
assumed to be what values?
Answer:
Effective root mean square (RMS) values.
Question:
450W
Answer:
306) How much power must a 24-volt generator furnish to a system containing the
following loads:
Question:
[One motor (75% efficient) rated at 1/5 HP (*1 HP = 746W); Three position lights rated
at 20W each; One heating element rated at 5A; One anti-collision light rated at 3A. ]
[NOTE: Motors are rated by their maximum output, or power they will deliver to the
load] 307) A 12-volt electric motor has 1000W (1kW) input and 1HP output. Maintaining
the same efficiency, how much power will a 24-volt, 1HP electric motor require?
Answer:
1,000W (1kW)
, Question:
How many ampers will a 28V generator be required to supply to a circuit containing 5
lamps in parallel, 3 of which have a resistance of [6 ohms] each and 2 of which has a
resistance of [5 ohms] each?
Answer:
25.23A
Question:
A 1HP, 24V DC electric motor that is 80% efficient requires 932.5W. How much power
will a 1HP, 12V DC electric motor that is 75% efficient require?
Answer:
994.6W
Question:
VOLTS
Answer:
310) The potential difference between two conductors which are insulated from each
other is measured in:
Question:
Which effect does not apply to the movement of electrons flowing in a conductor?
Answer:
Static Energy.
Question:
How much power will a circuit that has 5ohms of resistance and a 23A of current
produce?
Answer:
2,645W.
Question:
What is the Impedance of an AC circuit consisting of an inductor with reactance of 10
ohms, a capacitor with reactance of 4 ohms, and a resistor with resistance of 8 ohms?
Answer:
10 ohms.
