REF04 Module 1

All-purpose cleaners are:

• acidic.

• degreasers.

• alkaline.

• used for leather.

Knowledge of the pH scale is useful for determining whether to use:

• all-purpose cleaner or a vinegar solution.

• liquid or powdered car wash soap.

• an upholstery or leather cleaner.

• a buffing compound or polish.

Which of these is proper when washing a vehicle?

• Use liquid or powdered dish washing soap.

• Use two buckets, one with soapy water.

• Start at the bottom of the vehicle and work up.

• Rinse with a hose set on high pressure.

After washing a vehicle with car wash soap, rinse using a:

• pressure washer.

• bucket that contains the rinse water used during washing.

• hose without the nozzle attached.

• hose with the nozzle set to full force.

Technician A says that a magnifier may be able to determine if a defect has etched into the surface.

Technician B says that a magnifier may be able to determine the depth of a scratch.

Who is right?

• A only

• B only

• Both A and B

• Neither A nor B