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WorksheetsEngine Test
Total questions: 30
Worksheet time: 23mins
Who issues technical service bulletins?
A. dealerships
B. manufacturers
C. ASE
D. Parts stores
Which part is the cylinder head bolted to?
A. the crankshaft
B. the block
C. the oil pan
D. the valve body
What is the ratio of coolant to water in a typical automotive cooling system?
A. 25:75
B. 50:50
C. 75:25
D. 100% coolant
The orange cables on hybrid cars indicate what?
A. ABS wires
B. electronic wires
C. high-voltage wires
D. low-voltage wires
Which material are new model cylinder heads made from?
A. aluminum
B. copper
c. magnesium
D. silver
If blue smoke is seen at the tailpipe when an engine is started, which part(s) is/are most likely worn out?
A. thermostat
B. valve stem seals
C. oil pan gasket
D. timing chain
Technician A says a water pump controls the flow of coolant through an engine. Technician B says an oil filter controls the flow of oil through an engine. Who is right?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Technician A says that all vehicles use the same oil viscosity. Technician B says that using the wrong viscosity oil can damage an engine. Which is right?
A. A only
B. B only
C. Both A and B
D. Neither A and B
If the coolant recovery tank has a hole in it, which is the proper fix?
A. Add stop leak.
B. Do nothing; this is a system vent.
C. Replace the tank.
D. Plastic weld the hole closed.
Where would an engine thermostat most likely be found?
A. at the engine end of the upper radiator hose
B. at the radiator end of the upper heater hose
C. at the engine end of the lower heater hose
D. at the radiator end of the lower radiator hose
Which item is designed to keep engine valves closed?
A. head stud
B. pushrod
C. rocker arm
D. spring
When changing the engine oil, what should the temperature of the engine be?
A. cold
B. iced
C. scalding
D. warm
What is the minimum recommended time to drain an oil filter before discarding?
A. 6 hours
B. 8 hours
C. 10 hours
D. 12 hours
What is a safety concern when servicing the internal combustion engine of a hybrid vehicle?
A. frostbite
B. high voltage
C. chemical burns
D. harmful exhaust
What does "VIN" stand for?
A. validate improved number
B. vast impressed number
C. vehicle identification number
D. volt instruction number
When a technician is changing the oil, what should remain on the old filter?
A. magnetic tape
B. filter tool
C. square seal
(O-ring)
D. thread sealer
Which is the necessary procedure when the heater core is leaking coolant?
A. Install stop leak.
B. Remove and replace heater core.
C. Reroute the hoses.
D. Fill the heater core hole with silicone.
Which part in the cooling system controls the flow of coolant?
A. heater core
B. radiator
C. thermostat
D. water pump
Which part below keeps the engine from overheating?
A. air cleaner
B. condenser
C. heater core
D. water pump
A green liquid is found under the front of a vehicle. Which fluid is most likely leaking?
A. antifreeze
B. gas
C. motor oil
D. water
When working on hybrid vehicle, how many volts should the protective gloves be rated to handle?
A. 10
B. 100
C. 1,000
D. 10,000
What closes the valve in a cylinder head?
A. camshaft
B. lifter
C. rocker
D. spring
Which engine part does the camshaft move to open cylinder valves?
A crankshaft
B. lifter
C. piston
D. pushrod
Some radiators have two heat exchangers, one for the engine and one for the:
A air conditioner.
B. brakes.
C. differential.
D. transmission.
Which manual has an area to write service history in it?
A. engine
B. owner's
C. shop
D. transmission
While driving down the highway, Mary notices a check engine light on the dash. Which most likely caused the light to come on?
A. open door
B. faulty oxygen sensor
C. low fuel
D. low tire pressure
Which should be the last step in an engine oil change?
A. Drain the oil.
B. Install a new oil filter.
C. Remove the oil filter.
D. Reset the maintenance reminder indicator.
Which part belongs inside a cylinder head?
A. air filter
B. alternator belt
C. valve stem seal
D. water pump
Where should the technician find the oil change reset procedure for a vehicle with an electronic oil change warning system?
A. automotive textbook
B. instructor's guide
C. owner's manual
D. workbook
When a technician is pressurizing a cooling system, how much pressure should be applied?
A. the amount found on the radiator hoses
B. the amount found on the radiator cap
C. enough to make the tank expand
D. enough to make the leak detectable
