ANSWERS WITH SOLUTIONS 2024
Both b and c - ANSWER Coolant should be tested for ________.
Proper color
Freezing point (temperature)
Specific Gravity
Both b and c
Both technician a and b - ANSWER Two technicians are discussing a compression test. Technician A says
that the engine should be cranked over with the pressure gauge installed for "4 puffs." Technician B says
that the maximum difference between the highest reading cylinder and the lowest reading cylinder
should be 20%. Which technician is correct?
Technician A only
Technician b only
Both Technician A and B
Neither technician a nor b
Technician B - ANSWER Technician A says that oil should be squirted into all the cylinders before taking a
compression test. Technician B says that if the compression greatly increases when some oil is squirted in
the cylinders, it indicates defective or worn piston rings.
Technician A
Technician B
Both technicians
Neither technician
Technician B - ANSWER During a cylinder leakage (leak-down) test, air is noticed coming out of the oil fill
opening. Technician A says that the oil filter my be logged. Technician B says that the piston rings may be
worn or defective. Which technician is correct?
, Technician A
Technician B
Both A and B
Neither A nor B
Any of the above - ANSWER Leaking antifreeze can be what color?
Green
Orange
Red
Any of the above
Open bleeder valves during filling - ANSWER What precautions are needed to be performed to help
prevent air from getting trapped in the cooling system when replacing coolant?
Use the proper antifreeze as specified
Open bleeder valves during filling
Use premixed coolant
Wear protective gloves
All of the above - ANSWER When replacing a water pump, be sure to _____________
Torque all fasteners to factory specifications
Use a new gasket/seal
Check that the accessory drive belt is properly aligned and adjusted to the proper tension
All of the above