Mechanical Maintenance Flashcards
7 cards from real Ramsay Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Mechanical Maintenance flashcards as text
A V-belt is slipping on its pulleys even though it appears intact. What is the most likely cause?
Answer: Belt tension is too low
Insufficient tension lets the belt slip in the pulley grooves, causing power loss and squealing.
Which tool is best for measuring the inside diameter of a bored hole to within 0.001 inch?
Answer: Inside micrometer
An inside micrometer gives precise internal diameter readings to a thousandth of an inch.
A bearing runs hot and noisy shortly after installation. The most common cause is:
Answer: Over-lubrication or misalignment
Excess grease or shaft misalignment generates heat and premature bearing failure.
Two spur gears mesh together. If the driver gear has 20 teeth and the driven gear has 40 teeth, the driven gear turns:
Answer: Half as fast as the driver
A larger driven gear (double the teeth) rotates at half the driver's speed.
What is the purpose of a shim during machine alignment?
Answer: To make small height adjustments under a component
Thin shims are placed under feet to raise components in precise increments for alignment.
A threaded fastener keeps loosening from vibration. The best fix is to add a:
Answer: Lock washer or thread-locking compound
Lock washers or thread locker resist the rotational loosening caused by vibration.
When using a torque wrench, you should tighten a bolt to:
Answer: The manufacturer's specified torque value
Torque wrenches apply a specific rotational force to avoid under- or over-tightening.