NEIEP Mechanics Exam NEIEP Mechanics Exam Page 1 of 8
NEIEP Mechanics Exam
1" is equal to ______ cm - ANSWER ✔ 2.54 cm
1" is equal to ______mm - ANSWER ✔ 25.4 mm
3 phase full wave rectifier output voltage equation - ANSWER ✔ 1.33x the
input voltage
Area of a circle - ANSWER ✔ A=πr²
Average Value Formula if given peak - ANSWER ✔ .636 x peak
Circumference Formula - ANSWER ✔ C = 2πr
Dumbwaiter Max cab height - ANSWER ✔ 4'
Effective Value (RMS) formula if given peak - ANSWER ✔ 0.707 x peak
value
NEIEP Mechanics Exam NEIEP Mechanics Exam.pdf Page 1 of 8
, NEIEP Mechanics Exam NEIEP Mechanics Exam Page 2 of 8
Equation to find inductive reactance - ANSWER ✔ 2piefL
Formula for 2 unequal resistances in parallel - ANSWER ✔ R1xr2/r1+r2
formula for frequency - ANSWER ✔ f=1/T where T is time(period) in
seconds
Formula for resistance in series parallel circuit - ANSWER ✔ Add the
resistor in series to the total resistance of resistors in parallel
Formula for unequal resistances in a parallel circuit - ANSWER ✔ R= 1/
1/r1+ 1/r2.........
Frequency (Hz) formula - ANSWER ✔ Frequency= RPMx N(number of
poles/ 120)
High voltage motor wiring 9 lead - ANSWER ✔ L1-T1, L2-T2, L3-T3
T7-T4, T8-T5, T9-T6
NEIEP Mechanics Exam NEIEP Mechanics Exam.pdf Page 2 of 8
NEIEP Mechanics Exam
1" is equal to ______ cm - ANSWER ✔ 2.54 cm
1" is equal to ______mm - ANSWER ✔ 25.4 mm
3 phase full wave rectifier output voltage equation - ANSWER ✔ 1.33x the
input voltage
Area of a circle - ANSWER ✔ A=πr²
Average Value Formula if given peak - ANSWER ✔ .636 x peak
Circumference Formula - ANSWER ✔ C = 2πr
Dumbwaiter Max cab height - ANSWER ✔ 4'
Effective Value (RMS) formula if given peak - ANSWER ✔ 0.707 x peak
value
NEIEP Mechanics Exam NEIEP Mechanics Exam.pdf Page 1 of 8
, NEIEP Mechanics Exam NEIEP Mechanics Exam Page 2 of 8
Equation to find inductive reactance - ANSWER ✔ 2piefL
Formula for 2 unequal resistances in parallel - ANSWER ✔ R1xr2/r1+r2
formula for frequency - ANSWER ✔ f=1/T where T is time(period) in
seconds
Formula for resistance in series parallel circuit - ANSWER ✔ Add the
resistor in series to the total resistance of resistors in parallel
Formula for unequal resistances in a parallel circuit - ANSWER ✔ R= 1/
1/r1+ 1/r2.........
Frequency (Hz) formula - ANSWER ✔ Frequency= RPMx N(number of
poles/ 120)
High voltage motor wiring 9 lead - ANSWER ✔ L1-T1, L2-T2, L3-T3
T7-T4, T8-T5, T9-T6
NEIEP Mechanics Exam NEIEP Mechanics Exam.pdf Page 2 of 8
