RC 230 235 240 STUDY GUIDE UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. Installing a secondary sheave creates what?
Answer:
Increased traction
Question:
2. After hoisting the deflector sheave, how do you determine the correct alignment?
Answer:
DBG and Drive sheave measurements
Question:
3. When installing machine beam for a geared traction elevator, what does the centerline represent?
Answer:
Drive sheave Centerline
Question:
4. You are installing basement geared machine bedplate on H beams that have poured floor around them,
what hardware do you use to anchor the beams?
Answer:
Bolts, cut washers, and locknuts
Question:
5. You are tasked with realigning brake pads on an elevator machine, brake drum and drive sheave
mounted on a motor shaft, what kind of machine are you adjusting?
Answer:
Gearless
Question:
6. You must replace a single threaded worm shaft. A double threaded worm shaft is requested to be
installed. What does that create?
Answer:
Increased car speed
Question:
7. When installing I beams in hoistway block wall, what must you use to for the leveling process?
Answer:
Steel Bearing plate and grout
Question:
8. An elevator brake should lower, stop and hold what percentage of the rated load?
Answer:
125%
, Question:
9. The diameter of the drive sheave must be how many times the diameter of the rope used?
Answer:
40
Question:
10. What is the max speed for geared machines?
Answer:
Less than 500 FPM
Question:
11. What does FPM stand for?
Answer:
feet per minute
Question:
12. When a secondary sheave is installed, how many inches is it off set to the deflector sheave?
Answer:
3/8"
Question:
13. What are V-grooves usually limited to?
Answer:
Cars less than 500 FPM
Question:
14. What type of groove requires a secondary sheave and usually used in high speed elevators?
Answer:
U-Grooves
Question:
15. What is the purpose of non-metallic groove inserts?
Answer:
Extend the life of the hoist ropes
Question:
16. What are the three type of beams used in machine installations?
Answer:
Channels, I beams and H beams
Question:
17. What is the minimum tripping speed for governors??
Answer:
115%
QUESTIONS AND CORRECT ANSWERS
Question:
1. Installing a secondary sheave creates what?
Answer:
Increased traction
Question:
2. After hoisting the deflector sheave, how do you determine the correct alignment?
Answer:
DBG and Drive sheave measurements
Question:
3. When installing machine beam for a geared traction elevator, what does the centerline represent?
Answer:
Drive sheave Centerline
Question:
4. You are installing basement geared machine bedplate on H beams that have poured floor around them,
what hardware do you use to anchor the beams?
Answer:
Bolts, cut washers, and locknuts
Question:
5. You are tasked with realigning brake pads on an elevator machine, brake drum and drive sheave
mounted on a motor shaft, what kind of machine are you adjusting?
Answer:
Gearless
Question:
6. You must replace a single threaded worm shaft. A double threaded worm shaft is requested to be
installed. What does that create?
Answer:
Increased car speed
Question:
7. When installing I beams in hoistway block wall, what must you use to for the leveling process?
Answer:
Steel Bearing plate and grout
Question:
8. An elevator brake should lower, stop and hold what percentage of the rated load?
Answer:
125%
, Question:
9. The diameter of the drive sheave must be how many times the diameter of the rope used?
Answer:
40
Question:
10. What is the max speed for geared machines?
Answer:
Less than 500 FPM
Question:
11. What does FPM stand for?
Answer:
feet per minute
Question:
12. When a secondary sheave is installed, how many inches is it off set to the deflector sheave?
Answer:
3/8"
Question:
13. What are V-grooves usually limited to?
Answer:
Cars less than 500 FPM
Question:
14. What type of groove requires a secondary sheave and usually used in high speed elevators?
Answer:
U-Grooves
Question:
15. What is the purpose of non-metallic groove inserts?
Answer:
Extend the life of the hoist ropes
Question:
16. What are the three type of beams used in machine installations?
Answer:
Channels, I beams and H beams
Question:
17. What is the minimum tripping speed for governors??
Answer:
115%
