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NEIEP 800 final review Newest Questions and Answers (Verified Answers)

NEIEP 800 Final Exam 2024 Newest Questions and Answers (Verified Answers)

NEIEP 700 Final Review 2024 Newest Questions and Answers (Verified Answers)

In capacitors, what is the purpose of the dielectric? : Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? : Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? : Capacitance which of the following statements is correct about polarized electrolytic capacitors? : Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? : .3 seconds...

What material should be used for seating brushes? : Sandpaper Readings on the meter appear to be inaccurate, what should you do? : Test meter A machine that converts mechanical energy into electrical energy : Generator What is the purpose of interpoles in a motor? : Helps prevent neutral planes from shifting In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? : Motor Armature 2 If you have leakage resistance to ground, what will ...

Which of the following fractions has the equivalent value of 2/5? : 6/15 Before two fractions can be subtracted, what must be identical? : Their denominators What is the sum of the mixed numbers 3 ft. 2-5/8 in. and 4ft. 3-1/2 in.? : 7 ft. 6-1/8 in. A car with a capacity of 3200 lbs. needs to be balanced at 40%. How much weight should be placed in the car for this test? : 1280 lbs The power data sheet for a controller states that the voltage is 240 V +/- 5%. What are the permitted hig...

A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? : Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? : Suicide Circuit You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? : Leave the interpoles alone. When adding a SCR drive to the generator, the series loop is removed, as are the 3 resistors....

1" is equal to ______ cm : 2.54 cm 1" is equal to ______mm : 25.4 mm Circumference Formula : C = 2πr Area of a circle : A=πr² Pressure formula : Pressure = Force/Area or P = F/A RPM formula 2 : 60 x F /( N/2) where F(frequency is Hz) N is the number of poles Example: what is the rotating speed of a three phase 30 HZ 6 pole motor? 60 x 30hz = •/• 3 poles = 600RPM Time constant formula in resistive capacitive circuit : T = RC where T is time in sec. R is Resistance and C ...

If your meter readings appear incorrect, what do you do? : Compare with a known good meter What is synchronous speed? : The rotational speed of the stators magnetic field on an Induction motor. What is the purpose of interpoles? : They prevent neutral plane shift What shifts the neutral plane in the direction of rotation in generators? : Armature reaction 420 pg 4 What reduces eddy currents in the field pole pieces? : Laminations

Circuit breakers and fuses are rated for voltage, current, and which of the following? : Time delay The standard notation for switch contacts include which of the following? : Number of poles, number of fixed contacts per pole The characteristic of a resistor that indicates the acceptable deviation of value from the indicated value is called which of the following? : Tolerance What are the acceptable limits of deviation of resistance for a 4.2 k resistor rated at 5%? : 3.99 k and 4.41 k...