Ramsay Test Mechanical Maintenance 5

Question 1

Before performing maintenance on powered equipment, the FIRST safety step is to:

Accepted Answer

Lock out and tag out the energy source

Answer

Clean the floor

Answer

Order new parts

Answer

Notify the customer

Question 2

A worm gear drive is primarily used to achieve:

Accepted Answer

A large speed reduction in a compact space

Answer

A speed increase

Answer

Reduced torque output

Answer

Reversible self-locking only when needed

Question 3

Excessive backlash in a gear set means there is:

Accepted Answer

Too much clearance between meshing teeth

Answer

Too little clearance

Answer

Perfect mesh

Answer

No lubrication needed

Question 4

Which instrument measures the alignment of a belt drive between two pulleys?

Accepted Answer

A straightedge or laser alignment tool

Answer

A torque wrench

Answer

A flow meter

Answer

A multimeter

Question 5

A gasket between two flanged surfaces serves to:

Accepted Answer

Create a leak-proof seal

Answer

Increase shaft speed

Answer

Transmit torque

Answer

Reduce friction in bearings

Question 6

When a centrifugal pump delivers reduced flow, a common cause is:

Accepted Answer

A clogged suction strainer or worn impeller

Answer

Too much lubricant in the bearing

Answer

An oversized motor

Answer

Cold weather only

Question 7

The proper sequence for tightening bolts on a circular flange is:

Accepted Answer

A crisscross (star) pattern in stages

Answer

Fully tighten one bolt before the next

Answer

Random order at full torque

Answer

Only tighten the top two bolts