CE025 Mechanic Review unit 701 Pre Exam Questions and Complete Solutions Graded A+
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Course
Mechanics NEIEP
Institution
Mechanics NEIEP
1. What type of elevator control passes up hall calls in the down direction and down hall calls in the up direction? (705) Answer: Selective collective control
2. Which of the following statements applies to two-speed AC drives? (705) Answer: -
VVVF modifications can greatly improve floor accur...
CE025 Mechanic Review unit
701 Pre Exam Questions and
Complete Solutions Graded A+
Denning Muriithi [Date] [Course title]
, CE025 mechanic review unit 701 Answer:
pre exam
1. What type of elevator control passes up hall calls in the down direction
and down hall calls in the up direction? (705) Answer: Selective collective
control
2. Which of the following statements applies to two-speed AC drives? (705)
Answer: -
VVVF modifications can greatly improve floor accuracy
3. Which type of diagram provides a picture of the appearance and location
of elevator parts? (705) Answer: Field wiring diagram
4. Which of the following symbols represents a field winding? (70 5)
Ans
ctifi
5. What does the symbol in figure 1 represent? Answer: Poly/three-phase re
er
6. Which test instrument is best suited to monitor quickly changing
voltages and current? (705) Answer: Analog meter
7. Which of the following is the symbol for the zener diode? (705)DAnswer:
.
8. When using the digital multimeter, which jack is the red lead plugged
into for all measurements except current? (705) Answer: Volt ohm jack
9. Which of the following is an advantage of a digital meter over an
analog meter? (705) Answer: Has automatic range selection
10.Which of the following must be done when the resistance range
setting is changed on an analog meter? Answer: Recalibrate the leads
using the zero ohms adjustment
11.Which of the following steps should be done first when reporting on the
site of a trouble call? (705) Answer: List the condition of the relays and
associated contacts
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