anti pollution

All electric currents produces a magnetic field

• True
• False

Components of the Emissions System:

• engine, headers, tail pipe

• catalytic converter, muffler, tailpipe

• engine, muffer, catalytic converter

• exhaust pipe, CO2 emitter, muffler, tailpipe

Modern fuel systems often use _____ fuel filters between the fuel tank and the engine

• In the tank

• inline

• Next to the Water Pump

• Could not find it

What is the benefit of having tires inflated to the proper air Pressure

• Better fuel economy

• Better Steering

• Longer tire life

• All of the above

Technician A says lug nuts that are too tight on a wheel can cause disc brake components to warp.

Technician B says tightening wheel lug nuts in the wrong sequence can cause the wheel to bend

• A only

• B only

• Both A and B

• Neither A or B

At normal operating engine temperature, is the cooling system under pressure?

• Yes

• No

• Sometimes

Cylinder head gasket

• 
• 
• 
• 

Adding antifreeze to water does which of the following:

• A) Raises the boiling point of the water

• B) Lowers the freezing point of the water

• C) Both A and B

• D) Neither A nor B

The ECU in the electronic control system, receives signals from the sensors and determines the opening time for the injectors land which also controls the injection volume

• True

• False

What is a Duty Cycle?

• A military term

• When someone does their duty

• A cycle of rotation

• A measurement of on and off pulses within a given amount of time.