600 NEIEP Final Exam with Verified
Answers 100%
Which of the following factors determines the voltage rating of a capacitor? - ✔✔Dielectric
What is usually done to protect large capacitors during charging? - ✔✔A resistor is placed in
series with the capacitor
Which of the following do you need to be aware of when using electrolytic capacitors? -
✔✔They may be polarity sensitive
Why are bleeder resistors sometimes connected across high voltage capacitors? - ✔✔To help
drain voltage when power is removed
Which of the following statements is correct when DC is first applied in an RC circuit? -
✔✔Capacitor voltage is minimum and current is minimum
An elevators motor rotates at 1200 rpm at contract speed and is geared at a ratio of 40:1. If the
motor turns 40 rpms the sheave turns 1 rpm. What is the actual speed of the drive sheave in
rpms? - ✔✔30 rpms
The entire cab assembly, including the car sling, cab doors, operator etc. weighs 3400lbs. The
capacity of the elevator is 2500lbs. The car must be counterweighted at 40% of capacity plus
the weight of the car assembly. What is the weight of the counterweight assembly - ✔✔4400lbs
A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp breaker is the maximum size
that can be used with the 14 gauge wire used in this 120 volt circuit. What is the current? -
✔✔12.5 amps
What is the peak value of an AC voltage whose RMS value is 120 volts? - ✔✔169,7
Answers 100%
Which of the following factors determines the voltage rating of a capacitor? - ✔✔Dielectric
What is usually done to protect large capacitors during charging? - ✔✔A resistor is placed in
series with the capacitor
Which of the following do you need to be aware of when using electrolytic capacitors? -
✔✔They may be polarity sensitive
Why are bleeder resistors sometimes connected across high voltage capacitors? - ✔✔To help
drain voltage when power is removed
Which of the following statements is correct when DC is first applied in an RC circuit? -
✔✔Capacitor voltage is minimum and current is minimum
An elevators motor rotates at 1200 rpm at contract speed and is geared at a ratio of 40:1. If the
motor turns 40 rpms the sheave turns 1 rpm. What is the actual speed of the drive sheave in
rpms? - ✔✔30 rpms
The entire cab assembly, including the car sling, cab doors, operator etc. weighs 3400lbs. The
capacity of the elevator is 2500lbs. The car must be counterweighted at 40% of capacity plus
the weight of the car assembly. What is the weight of the counterweight assembly - ✔✔4400lbs
A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp breaker is the maximum size
that can be used with the 14 gauge wire used in this 120 volt circuit. What is the current? -
✔✔12.5 amps
What is the peak value of an AC voltage whose RMS value is 120 volts? - ✔✔169,7
