Elevator Mechanic Test - Section 2 WITH COMPLETE SOLUTIONS
How do you test incoming power with a meter? A) 1 to 2, B) 2 to 3, C) 1 to 3, D) Ground to 1,2,3 ANS- D) Ground to 1, 2, 3 Sill to sill has to be set between _____ - ____ ANS- .5" -- 1.5" Category 1 of buffer test - how many seconds should it take for the buffer to fully come back? ANS- 90 seconds Max distance of skirt to step is _____ ANS- 3/16" How many points of contact should you maintain on a ladder? ANS- 3 If the pulley falls off a door operator, what likely happened? ANS- The set screw probably came out When replacing a circuit board in a controller, what should you do after the power is off? A) use a surge protector, B) Use the proper PPE, C) Use a grounding wrist strap. ANS- C) Use a grounding wrist strap What are demarcation lights used for on escalators? ANS- To give a visual indication of the gap between steps at the lower and upper ends. Who gives you the right to a safe workplace? ANS- O.S.H.A. High mica can cause arcing at the brushes. What else can do this? ANS- So can neutral. Barricade on the 42nd floor is questionable. What should you do? ANS- Tell the GC. If you do not know the size of a fuse, what do you do? ANS- You can put the meter in
Información del documento
- Subido en
- 25 de julio de 2023
- Número de páginas
- 4
- Escrito en
- 2022/2023
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
