Question

What is removed when an air tank is drained?

Answers

Water and oil

Ammonia

Liquid cleaners

Explanation

In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes.

This questions appears in the following tests:

Alabama Air Brakes

California Class A Knowledge Test

California Air Brakes

Connecticut Class B Knowledge Test

Delaware Class B Knowledge Test

Hawaii Double

Idaho Class B Knowledge Test

Iowa Class A Knowledge Test

Iowa Air Brakes

Louisiana Passenger

Louisiana Air Brakes

Maine Class A Knowledge Test

Michigan Class A Knowledge Test

Mississippi Class B Knowledge Test

Mississippi Air Brakes

Montana Class A Knowledge Test

Nevada Class A Knowledge Test

Oklahoma Double

Rhode Island Class B Knowledge Test

Wisconsin Class B Knowledge Test

Wisconsin Air Brakes

Wyoming Air Brakes