Ramsay Test Maintenance 4

Question 1

What is the purpose of a check valve in a piping system?

Accepted Answer

To allow flow in one direction only

Answer

To measure flow rate

Answer

To filter debris from the fluid

Answer

To regulate temperature

Question 2

When a three-phase motor runs in the wrong direction, what is the standard fix?

Accepted Answer

Swap any two of the three power leads

Answer

Replace all three windings

Answer

Increase the supply frequency

Answer

Add a fourth phase

Question 3

Which fastener uses a tapered thread to create a tight, often leak-resistant joint in pipes?

Accepted Answer

NPT pipe thread

Answer

Machine screw

Answer

Wood screw

Answer

Rivet

Question 4

A vibration analysis shows a peak at 1x running speed. This most commonly indicates what?

Accepted Answer

Imbalance in the rotating component

Answer

A blown fuse

Answer

Low hydraulic fluid

Answer

Loose floor anchor bolts only

Question 5

What is the main advantage of predictive maintenance over preventive maintenance?

Accepted Answer

Work is based on actual equipment condition data

Answer

It requires no tools at all

Answer

It eliminates the need for spare parts

Answer

It only applies to electrical systems

Question 6

Which instrument would you use to verify shaft alignment most precisely?

Accepted Answer

Dial indicator or laser alignment tool

Answer

Standard tape measure

Answer

Carpenter's level only

Answer

Voltmeter

Question 7

What does a pressure relief valve do in a hydraulic or pneumatic system?

Accepted Answer

Limits system pressure to a safe maximum

Answer

Increases pump output

Answer

Stores extra fluid

Answer

Filters contaminants