535

13. When working on freight elevator gate installations, what is the correct adjustments for the gate contacts to make when the gate is closing

Less than 2 inches from fully closed

24. What must the car gate be equipped with on a power operated freight gate installation

Reopening device

8. You are adjusting the closed position gap between the metal edges of vertically sliding, biparting freight doors. Which of the following statements is correct

Set the gap to at least ¾ inch

11. What must be used to hold the door closed contact mechanically open unless the freight hoistway door is closed

Tamper-resistant interlocks

21. Which of the following is NOT true about infrared beam-type detectors

The beams are visible to the human eye and may cause retinal damage

20. What prevents the door from opening when the retiring cam is not on the interlock roller

Keeper

12. When working on a freight elevator that is designated for Class A loading, which of the following statements is correct

All loads are moved on and off manually

25. When installing guide rails, which of the following must be done

Apply lubricant when tapping holes for self-tapping screws

9. Based ASME code, how much must freight door panels overlap the sides and otp of the hoistway entrance

At least 2 inches

18. When securing the bolts to the door guide rail, where in the rail mounting slot should the bolts be located

At the top

2. A freight door that has two different panel sizes to accommodate a shallow pit is identified as follows

Compound doors

23. To what is the retiring cam assembly bolted

Gate post

6. If you are on a freight door installation using wide panels that will be exposed to very heavy loads and has an adjustable sill stop, what else can be done to prevent the lower panel from deflecting

Installing an auxiliary center sill stop

4. You need to adjust the retiring cam on a new freight installation, which of the following steps would you perform

Movement of the retiring cam must be at least ½ inch more than the average interlock movement required for normal operation

5. Which of the following describes the component that physically contacts th landing sill at the floor to transfer the weight of loading over the freight door lower panel

Non-adjustable sill stop

22. Which of the following is used when installing guide rails below the sill level in a water-resistant pit

Spreader

14. Which of the following statements is correct for retiring cam operation

The cam motor is energized when the car is running

17. Interlocks send which of the following signals to the controller

The doors are closed and locked

16. Which of the following will result if an obstruction occurs during closing

The gate will stop and re-open

15. Which of the following statements meets the ASME Code requirements of the gate and door operating sequence

The hoistway door must be closed at least 2/3 before the gate can close

3. When setting up your work area for freight door installation, which of the following statements is correct regarding barricades

The midrail must be set to a height of 21 inches

7. Which of the following statements is correct regarding vision panels on freight hoistway doors

They can be no less than 24 sq. in. and no more than 80 sq. in.

19. What part of a lower door panel with truckable sills should be secured with wire rope when hoisting

Trucking sill extension

1. When installing door panels, which of the following statements is correct

When properly balanced, the doors will tend to open slightly