Ramsay Test Mechanical Maintenance 3

Question 1

In a hydraulic system, force is transmitted through:

Accepted Answer

An incompressible fluid under pressure

Answer

Compressed air

Answer

Electrical current

Answer

Mechanical springs only

Question 2

A pump that fails to prime and makes a rattling noise is likely experiencing:

Accepted Answer

Cavitation from air or low suction

Answer

Too much output pressure

Answer

Overheating bearings only

Answer

Excess lubrication

Question 3

Which lubricant type is generally best for high-speed, low-load bearings?

Accepted Answer

Light oil

Answer

Heavy grease

Answer

No lubricant

Answer

Solid graphite block

Question 4

The primary function of a coupling between a motor and a pump is to:

Accepted Answer

Transmit torque while tolerating minor misalignment

Answer

Increase voltage

Answer

Filter the fluid

Answer

Cool the motor

Question 5

A micrometer reads 0.250 inch when the spindle is closed against the anvil. This means:

Accepted Answer

The micrometer needs to be zeroed/calibrated

Answer

The part is 0.250 inch thick

Answer

The micrometer is accurate

Answer

The anvil is missing

Question 6

What does a feeler gauge measure?

Accepted Answer

The clearance gap between two surfaces

Answer

Shaft rotational speed

Answer

Fluid pressure

Answer

Belt length

Question 7

When chain drive is too loose, the typical symptom is:

Accepted Answer

Chain whip, jumping, or skipping sprocket teeth

Answer

Increased efficiency

Answer

Reduced noise

Answer

Higher output speed