FREE CMLA Equipment Operation & Maintenance Questions and Answers

Question 1

What is the first step before operating any laboratory equipment?

Accepted Answer

Read the user manual

Answer

Turn the power on

Answer

Call a supervisor

Answer

Label the device

Question 2

What routine check should be performed before using a centrifuge?

Accepted Answer

Balance the tubes

Answer

Check for frost

Answer

Add bleach

Answer

Shake vigorously

Question 3

What maintenance should be performed on a microscope regularly?

Accepted Answer

Clean lenses with lens paper

Answer

Oil the eyepiece

Answer

Wash with detergent

Answer

Polish with a rag

Question 4

How often should pipettes be calibrated?

Accepted Answer

Every 3–6 months

Answer

Weekly

Answer

Monthly

Answer

Once a year

Question 5

Which piece of equipment is used to measure small liquid volumes accurately?

Accepted Answer

Micropipette

Answer

Beaker

Answer

Graduated cylinder

Answer

Test tube

Question 6

What is the purpose of autoclaving equipment?

Accepted Answer

Sterilize materials

Answer

Dry equipment quickly

Answer

Measure humidity

Answer

Cool liquids

Question 7

Why is it important to log equipment maintenance?

Accepted Answer

For compliance and tracking

Answer

To fill space in lab books

Answer

For tax purposes

Answer

To show other labs

Question 8

Before operating an autoclave, what safety precaution should be taken?

Accepted Answer

Secure the door tightly

Answer

Leave door slightly open

Answer

Add cold water

Answer

Disable the timer

Question 9

What is a common indicator of malfunction in electronic lab equipment?

Accepted Answer

Unusual noises

Answer

Quiet operation

Answer

Normal readings

Answer

Automatic shutoff