310T Exam - Engine and Supporting Systems:
Questions With Correct Solutions
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Terms in this set (102)
1. What would be indicated by engine b. Leaking liner O-rings.
oil contaminated with coolant?
a. Cracked dry liner.
b. Leaking liner O-rings.
c. Leaking oil cooler core.
d. Cracked liner counter-bore.
2. What will cause excessive crankcase c. Worn compression rings.
blow by?
a. Worn oil control rings.
b. Excessive engine speed.
c. Worn compression rings.
d. A plugged crankcase filter.
3. What would be the case of a failed c. Insufficient liner height.
cylinder head gasket?
a. Rolled liner O-rings.
b. Cracked cylinder head.
c. Insufficient liner height.
d. Turbocharger waste-gate stuck
open.
4. What would indicate a faulty b. Collapsed radiator hose.
vacuum valve in the radiator cap?
a. Engine overheating.
b. Collapsed radiator hose.
c. Extended warm up time.
d. Overfilled coolant reservoir.
,5. What component is leaking when b. Oil cooler core.
the engine oil is found in the coolant?
a. Injector cups.
b. Oil cooler core.
c. After cooler core.
d. Cylinder liner O-rings.
6. What would indicate that the engine b. Decreased oil pressure.
oil pump regulating valve is stuck
open?
a. Increased oil pressure.
b. Decreased oil pressure.
c. Increased oil consumption.
d. Decreased oil consumption.
7. What will cause a diesel engine to c. Air in the fuel system.
run rough and stall?
a. Poor fuel quality.
b. A plugged return line.
c. Air in the fuel system.
d. Low transfer pump pressure.
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8. What is the cause of low fuel a. Plugged fuel filter.
transfer pump pressure?
a. Plugged fuel filter.
b. Return line restriction.
c. Leaking fuel tank vent.
d. Regulating valve stuck closed.
9. Which will cause a diesel engine to a. Cracked intercooler.
have low power output?
a. Cracked intercooler.
b. Excessive turbocharger speed.
c. Leaking turbocharger exhaust
outlet.
d. Turbocharger waste-gate valve
stuck closed.
, 10. What must be used on an engine d. Ultra low sulfur diesel fuel
equipped with a DPF filter?
a. Fuel lubricity additive.
b. Low sulfur Diesel fuel.
c. 5% Bio-Diesel/Ethanol blend.
d. Ultra low sulfur diesel fuel.
11. What will happen when the soot c. Engine de-rate and shutdown.
loading on a DPF filter exceeds 80%?
a. Reduced fuel economy.
b. A forced manual regeneration.
c. Engine de-rate and shutdown.
d. The DPF will bypass automatically.
12. What exhaust smoke colour would b. black
indicate a leaking dosing valve?
a. Blue.
b. Black.
c. White.
d. Brown.
13. What does the second number in a. Type of circuit failure.
an SAE fault code indicate?
a. Type of circuit failure.
b. Type of sensor circuit.
c. Message identification.
d. Number of fault occurrences
14. What would happen to the engine d. Cranks but does not start.
if the ECM does not receive a speed
or timing signal?
a. Exceed governed speed.
b. Hunt at governed speed.
c. Start and run at idle speed.
d. Cranks but does not start.
Questions With Correct Solutions
Save Groups
Terms in this set (102)
1. What would be indicated by engine b. Leaking liner O-rings.
oil contaminated with coolant?
a. Cracked dry liner.
b. Leaking liner O-rings.
c. Leaking oil cooler core.
d. Cracked liner counter-bore.
2. What will cause excessive crankcase c. Worn compression rings.
blow by?
a. Worn oil control rings.
b. Excessive engine speed.
c. Worn compression rings.
d. A plugged crankcase filter.
3. What would be the case of a failed c. Insufficient liner height.
cylinder head gasket?
a. Rolled liner O-rings.
b. Cracked cylinder head.
c. Insufficient liner height.
d. Turbocharger waste-gate stuck
open.
4. What would indicate a faulty b. Collapsed radiator hose.
vacuum valve in the radiator cap?
a. Engine overheating.
b. Collapsed radiator hose.
c. Extended warm up time.
d. Overfilled coolant reservoir.
,5. What component is leaking when b. Oil cooler core.
the engine oil is found in the coolant?
a. Injector cups.
b. Oil cooler core.
c. After cooler core.
d. Cylinder liner O-rings.
6. What would indicate that the engine b. Decreased oil pressure.
oil pump regulating valve is stuck
open?
a. Increased oil pressure.
b. Decreased oil pressure.
c. Increased oil consumption.
d. Decreased oil consumption.
7. What will cause a diesel engine to c. Air in the fuel system.
run rough and stall?
a. Poor fuel quality.
b. A plugged return line.
c. Air in the fuel system.
d. Low transfer pump pressure.
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8. What is the cause of low fuel a. Plugged fuel filter.
transfer pump pressure?
a. Plugged fuel filter.
b. Return line restriction.
c. Leaking fuel tank vent.
d. Regulating valve stuck closed.
9. Which will cause a diesel engine to a. Cracked intercooler.
have low power output?
a. Cracked intercooler.
b. Excessive turbocharger speed.
c. Leaking turbocharger exhaust
outlet.
d. Turbocharger waste-gate valve
stuck closed.
, 10. What must be used on an engine d. Ultra low sulfur diesel fuel
equipped with a DPF filter?
a. Fuel lubricity additive.
b. Low sulfur Diesel fuel.
c. 5% Bio-Diesel/Ethanol blend.
d. Ultra low sulfur diesel fuel.
11. What will happen when the soot c. Engine de-rate and shutdown.
loading on a DPF filter exceeds 80%?
a. Reduced fuel economy.
b. A forced manual regeneration.
c. Engine de-rate and shutdown.
d. The DPF will bypass automatically.
12. What exhaust smoke colour would b. black
indicate a leaking dosing valve?
a. Blue.
b. Black.
c. White.
d. Brown.
13. What does the second number in a. Type of circuit failure.
an SAE fault code indicate?
a. Type of circuit failure.
b. Type of sensor circuit.
c. Message identification.
d. Number of fault occurrences
14. What would happen to the engine d. Cranks but does not start.
if the ECM does not receive a speed
or timing signal?
a. Exceed governed speed.
b. Hunt at governed speed.
c. Start and run at idle speed.
d. Cranks but does not start.
