Exam 10: Cleaning Equipment and Methods

The choice for postcleaning recommended by most oven companies is MOST-Likely to be:

A chemical cooling system cleanser can be used to help remove ____________________ from the radiator and water jackets before removing the engine from the vehicle.

Spills often occur when an engine block mounted on an engine stand is turned upside down to begin disassembly.

All of the following are advantages of thermal cleaning EXCEPT:

Most automotive soaps are alkaline.

What precautions should you take when using a bead blaster?

The MOST-Likely method used to clean ferrous parts such as the block, heads, and sometimes crankshafts and connecting rods is:

A wire wheel is LEAST-Likely to be mounted on a:

During a discussion, Technician A says that if you cannot tell by a visual inspection whether a painted engine part is aluminum or ferrous, you should use a magnet. Technician B says that the use of a magnetic would prove nothing as ferrous materials and aluminum are not magnetic. Who is correct?

What are the advantages of a hot spray washer?

A ____ restricts pressure to around 30 psi for air-drying parts.

____________________ gases leak past the piston rings into the crankcase.

During a discussion, Technician A says that the hot soak tank does not clean oil galleries as well as the spray washers do. Technician B says that the hot soak tank is the superior cleaner. Who is correct?

Name three types of solvents.

If aluminum is cleaned in the solution designed for ferrous metals, it reacts and slowly dissolves .

____ include(s) petroleum by-products, gasket sealers and paints, carbon, and other by-products of combustion.

____________________ solvent is commonly recycled, and although the use of gloves is recommended, it is not a major irritant to most people's skin.

All of the following statements are true EXCEPT:

____________________ specifically for strength is done only in heavy-duty or high-performance instances; it is a controlled process that uniformly compresses stressed areas of a part.

Dirt and sludge are the only water-soluble materials found on automotive parts.