Ramsay Test Mechanical Maintenance 5 — Questions and Answers
Question 1: Before performing maintenance on powered equipment, the FIRST safety step is to:
- Lock out and tag out the energy source (Correct answer)
- Clean the floor
- Order new parts
- Notify the customer
Correct answer: Lock out and tag out the energy source
Lockout/tagout isolates and secures energy to protect the worker before service.
Question 2: A worm gear drive is primarily used to achieve:
- A large speed reduction in a compact space (Correct answer)
- A speed increase
- Reduced torque output
- Reversible self-locking only when needed
Correct answer: A large speed reduction in a compact space
Worm gears give high reduction ratios and high torque in a small footprint.
Question 3: Excessive backlash in a gear set means there is:
- Too much clearance between meshing teeth (Correct answer)
- Too little clearance
- Perfect mesh
- No lubrication needed
Correct answer: Too much clearance between meshing teeth
Backlash is the play between meshing teeth; excess causes lost motion and noise.
Question 4: Which instrument measures the alignment of a belt drive between two pulleys?
- A straightedge or laser alignment tool (Correct answer)
- A torque wrench
- A flow meter
- A multimeter
Correct answer: A straightedge or laser alignment tool
A straightedge or laser checks that both pulley faces lie in the same plane.
Question 5: A gasket between two flanged surfaces serves to:
- Create a leak-proof seal (Correct answer)
- Increase shaft speed
- Transmit torque
- Reduce friction in bearings
Correct answer: Create a leak-proof seal
Gaskets fill surface imperfections between flanges to prevent fluid or gas leaks.
Question 6: When a centrifugal pump delivers reduced flow, a common cause is:
- A clogged suction strainer or worn impeller (Correct answer)
- Too much lubricant in the bearing
- An oversized motor
- Cold weather only
Correct answer: A clogged suction strainer or worn impeller
Blocked suction or a worn impeller reduces the pump's ability to move fluid.
Question 7: The proper sequence for tightening bolts on a circular flange is:
- A crisscross (star) pattern in stages (Correct answer)
- Fully tighten one bolt before the next
- Random order at full torque
- Only tighten the top two bolts
Correct answer: A crisscross (star) pattern in stages
A staged crisscross pattern distributes load evenly and prevents flange distortion or leaks.
Ramsay Test Mechanical Maintenance 5
Before performing maintenance on powered equipment, the FIRST safety step is to: