1. The most common cause of battery _________ is when someone unhooks the battery charger without turning it off.  2. Shut off and unplug the battery _________ before disconnecting any of the cables. 3. If acid gets on skin or eyes, immediately flush with _________ for at least 15 minutes and seek medical attention as […]

If you become injured while working in the shop, inform your _ immediately and seek medical attention as soon as possible. The four categories under which the EPA categorizes waste are ignitability, corrosivity, reactivity, and . 47. Wastes that have a pH lower than 2 or higher than 12.5 are .

 1. SDS stands for _____ ____ Sheet. 2. A chemical with a _________ exposure limit is more toxic. 3. When a chemical enters the body and travels to other organs, this is calleda _________ effect, rather than a local effect.

When an engine runs for a long period with an excessively lean air-fuel mixture, what kind of engine damage can result? Carbon has built up in the neck area of a valve. What is the most probable cause?

1. If a spark plug is oil-fouled with carbon on only one side, what could be the cause? 2. At the end of a spark plug deposit test, what must be done before the engine is accelerated off idle?  3. A roar will be heard through the engine’s air intake when the _________ system is

1. What happens to the outside of an exhaust pipe at the point of an internal restriction?  2. During a compression test, remove all of the _________ _________ so the starter can crank the engine easily.

1. How many compression strokes (minimum) should the engine crank during a compression test?  2. When engine idle rises during a cylinder power balance test, what could be the cause? 3. Vacuum readings will drop approximately 1 inch for each _________ feet above sea level.

 1. When a spark plug is disabled and the noise becomes louder, what could this be? 2. What two different problems can be pinpointed by looking at the tops of the two pistons .

An engine has late valve timing. Technician A says that this will cause poor low rpm performance. Technician B says that at higher rpm, engine performance might be acceptable. Who is right? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B

 Technician A says that with a vacuum leak, an engine with an oxygen sensor feedback fuel system can run fine when cold but rough when hot. Technician B says that advanced ignition timing will often cause an engine to run hot. Who is right? a. Technician A only                       b. Technician B only  c. Both A