ASE 1 - Engine Repair Final Exam

Technician A says that belts are an important part of the cooling system if they are used to drive the fan or water pump. Technician B says that since the belt is made of rubber, it cannot be overtightened, so tightening it extra tight is a good insurance policy to be sure the belt won't slip. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

As ____ is a twisting or turning force, ____ is the rate (in time and distance) at which that force (_____) is produced.

• Torque; horsepower; torque

• Torque; horsepower; horsepower

• Horsepower; torque; horsepower

• Horsepower; torque; torque

Most small four-stroke gasoline engines use only ________ lubrication to lubricate all of the parts on the engine, including the crankshaft bearing, camshaft, and lifters.

• Force-feed

• Drip

• Dry

• Splash

Technician A says that a neglected cooling system can create acids in the system causing a process called electrolysis. Technician B says that an improperly grounded electrical system can lead to corrosion from electrolysis. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

All of the following can be said about engine oil, EXCEPT:

• it has a low coefficient of friction.

• it creates a protective layer between two metal components.

• it causes the metal components to expand

• it keeps the metal parts from touching.

Which hose allows the water pump to circulate the water in the engine when the thermostat is closed, but not when it is open.

• Bypass Hose

• Throttle body coolant line

• Overflow hose

• Radiator hose

Flushing the cooling system will be necessary if the corrosion inhibitors in the coolant are found to be worn out or if some type of contamination is found.

• True

• False

The volume that a piston displaces from BDC to TDC is ______.

• Piston volumization

• Volumetric displacement

• Piston Movement

• Piston displacement

Technician A says that the internal combustion engine uses poppet type valves. Technician B says that the lobe of the cam is the egg-shaped part that pushes on the valve to open it. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

Technicians A and B are discussing how to obtain the most accurate results when testing cranking compression on a gasoline engine. Technician A says the battery must be fully charged. Technician B says at least five compression pulses should be made on each cylinder while watching the gauge. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B