QEI Doors, Gates, and Entrances 2

Question 1

What is the maximum kinetic energy limit for a power-operated car or hoistway door moving in the closing direction per ASME A17.1?

Accepted Answer

7 ft-lb

Answer

2.5 ft-lb

Answer

10 ft-lb

Answer

15 ft-lb

Question 2

What is the function of a car door restrictor (car door restriction device)?

Accepted Answer

To prevent the car door from opening more than a few inches when the car is not within the landing zone

Answer

To limit the opening speed of the car door operator

Answer

To restrict unauthorized entry to the hoistway from inside the car

Answer

To limit the maximum force output of the door operator motor

Question 3

When inspecting power-operated landing doors, what key safety parameters must the inspector assess?

Accepted Answer

Kinetic energy and average closing force compliance with code-specified limits

Answer

Door panel color and surface material composition

Answer

Minimum door opening speed to prevent nuisance reopening

Answer

Total number of door cycles recorded since the last inspection

Question 4

What is the 'unlocking zone' as it relates to hoistway door interlocks?

Accepted Answer

The vertical zone above and below a landing within which the hoistway door interlock can be released

Answer

The area where maintenance personnel can disable all interlocks for service access

Answer

The designated storage location for emergency door keys at each floor

Answer

The electrical zone where door circuits connect to the elevator controller

Question 5

Which component on the car door physically engages with the landing door mechanism when the car arrives at a floor?

Accepted Answer

Car door vane or clutch pick

Answer

Car door safety edge

Answer

Door operator controller board

Answer

Car gate electrical contact switch

Question 6

What must an inspector verify about the physical condition of hoistway door panels and frames during a periodic inspection?

Accepted Answer

Panels and frames are free from damage, warping, or loose components that could impair operation

Answer

Paint finish is consistent in color and sheen throughout all landings

Answer

Steel panels have been updated to aluminum construction for reduced weight

Answer

Vision glass panels are installed at all hoistway landings

Question 7

In what direction must a hinged (swinging) hoistway door open per ASME A17.1?

Accepted Answer

Away from the hoistway, toward the landing side

Answer

Into the hoistway only

Answer

In either direction if equipped with proper safety interlocks

Answer

Perpendicular to the elevator travel direction only