Neiep 530 Elevator Cab Assembly and
Door Operators Review Questions and
Answers7
1/4 - ANSWERS-When the car jambs are set, they should allow for a minimum of _______ inch
of clearance between the jamb and the door.
1/16 - ANSWERS-Once the jambs are set vertically, they should be aligned to no more than
_______ inch out of plumb.
Parallel - ANSWERS-When setting the door header, drop plumb bobs to ensure that it is _______
with the sill track.
Sand - ANSWERS-After the door tracks are in place and before the doors are hung, it is a good
idea to _______ the door track.
Grounded - ANSWERS-The door operator motor must have the case _______ in compliance with
NEC requirements.
1/4 - ANSWERS-Clearance from the bottom of the car door to the sill is _______ inch
To see daylight between the upthrust roller and track - ANSWERS-For eccentrics that are not
designed to make contact with the door track, what is a good rule of thumb used for
adjustment?
Electrically - ANSWERS-If the drive arm and connecting link are in line when the doors are fully
opened, this prevents the door from closing until it is _______ commanded to close.
, Door restrictors - ANSWERS-When _______ are used, the door linkages should not be aligned to
mechanically prevent the doors from opening in the closed position within the door zone.
Length - ANSWERS-The crank arm adjusts the _______ of door travel.
Initial - ANSWERS-The connecting link sets the _______ position of the door.
Measure the force of one door panel - ANSWERS-How is the closing force of center opening
doors measured?
30 lbs - ANSWERS-What is the maximum allowable closing force of a passenger elevator
according to ASME elevator code.
High-speed - ANSWERS-During the door opening, _______ is the longest portion of the
sequence.
Minimum - ANSWERS-During slow start opening, resistor R6 has _______ resistance for
bypassing current around the door motor armature. (Figure 17)
Decreased - ANSWERS-During high-speed opening, R2 resistance is _______. (Figure 17)
Positive - ANSWERS-During the opening sequence, voltage on terminal A2 of the door motor
armature is _______. (Figure 17)
Maximum - ANSWERS-During the 1st opening slowdown, R6 has _______ resistance for
bypassing current around the motor armature. (Figure 17)
Door Operators Review Questions and
Answers7
1/4 - ANSWERS-When the car jambs are set, they should allow for a minimum of _______ inch
of clearance between the jamb and the door.
1/16 - ANSWERS-Once the jambs are set vertically, they should be aligned to no more than
_______ inch out of plumb.
Parallel - ANSWERS-When setting the door header, drop plumb bobs to ensure that it is _______
with the sill track.
Sand - ANSWERS-After the door tracks are in place and before the doors are hung, it is a good
idea to _______ the door track.
Grounded - ANSWERS-The door operator motor must have the case _______ in compliance with
NEC requirements.
1/4 - ANSWERS-Clearance from the bottom of the car door to the sill is _______ inch
To see daylight between the upthrust roller and track - ANSWERS-For eccentrics that are not
designed to make contact with the door track, what is a good rule of thumb used for
adjustment?
Electrically - ANSWERS-If the drive arm and connecting link are in line when the doors are fully
opened, this prevents the door from closing until it is _______ commanded to close.
, Door restrictors - ANSWERS-When _______ are used, the door linkages should not be aligned to
mechanically prevent the doors from opening in the closed position within the door zone.
Length - ANSWERS-The crank arm adjusts the _______ of door travel.
Initial - ANSWERS-The connecting link sets the _______ position of the door.
Measure the force of one door panel - ANSWERS-How is the closing force of center opening
doors measured?
30 lbs - ANSWERS-What is the maximum allowable closing force of a passenger elevator
according to ASME elevator code.
High-speed - ANSWERS-During the door opening, _______ is the longest portion of the
sequence.
Minimum - ANSWERS-During slow start opening, resistor R6 has _______ resistance for
bypassing current around the door motor armature. (Figure 17)
Decreased - ANSWERS-During high-speed opening, R2 resistance is _______. (Figure 17)
Positive - ANSWERS-During the opening sequence, voltage on terminal A2 of the door motor
armature is _______. (Figure 17)
Maximum - ANSWERS-During the 1st opening slowdown, R6 has _______ resistance for
bypassing current around the motor armature. (Figure 17)
