Solutions
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Terms in this set (150)
1. What procedure should be followed b) Dress stone and set rest with maximum clearance
before using a bench grinder? of 1.6 mm (1/16").
a) Dress stone and set rest with
minimum clearance of 3 mm (1/8").
b) Dress stone and set rest with
maximum clearance of 1.6 mm (1/16").
c) Set rest with minimum clearance of
3 mm (1/8") and dress stone.
d) Set rest with maximum clearance of
1.6 mm (1/16") and dress stone.
2. What should be inspected on a c) Elongation and twist.
chain sling before the technician uses
it?
a) Length and size.
b) Bends and color.
c) Elongation and twist.
d) Date of manufacture and expiry
date.
3. Where would a technician obtain d) Technical service bulletins
information on a recurring problem?
a) Shop foreman.
b) The service manual.
c) The operators manual.
d) Technical service bulletins.
,4. What is the proper procedure to d) Refer to MSDS information
clean up a coolant spill?
a) Cover with floor dry.
b) Wash into floor drain.
c) Contain with a floor dam.
d) Refer to MSDS information.
5. Where is the data link located on a d) Left lower dash panel.
highway tractor?
a) Left side of glove box.
b) In the fuse panel.
c) Beside the Electronic Control Unit.
d) Left lower dash panel.
6. What steps should be followed c) Torque to specifications and rotate to specified
when utilizing Torque-to-Yield degrees
fasteners?
a) Lubricate threads and torque to
specifications.
b) Rotate to specified degrees and
torque to specifications.
c) Torque to specifications and rotate
to specified degrees.
d) Tighten a specified number of
degrees with an impact.
7. What type of hose or tubing should d) Braided stainless steel with a Teflon inner lining
be used on the compressor air outlet?
a) Nylon tubing.
b) Stainless steel tubing.
c) Reinforced rubber air brake hose.
d) Braided stainless steel with a Teflon
inner lining.
8. What type of seal would be a) Oil filter seal.
considered as a static seal?
a) Oil filter seal.
b) Rear wheel seal.
c) Rear crankshaft seal.
d) Transmission output shaft seal.
,9. 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.
10. What will cause excessive c) Worn compression rings
crankcase blow-by?
a) Worn oil control rings.
b) Excessive engine speed.
c) Worn compression rings.
d) A plugged crankcase filter.
11. What would be the cause 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.
12. 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.
13. What component is leaking when b) Oil cooler core.
engine oil is found in the coolant?
a) Injector cups.
b) Oil cooler core.
c) After cooler core.
d) Cylinder liner O-rings.
, 14. What would indicate that the b) Decreased oil pressure
engine oil pump regulating valve is
stuck open?
a) Increased oil pressure.
b) Decreased oil pressure.
c) Increased oil consumption.
d) Decreased oil consumption.
15. 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.
16. 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.
17. 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.
18. What must be used on an engine d) Ultra low sulphur diesel fuel
equipped with a diesel particulate
filter (DPF)?
a) Fuel lubricity additive.
b) Low sulphur Diesel fuel.
c) 5% Bio-Diesel/Ethanol blend.
d) Ultra low sulphur diesel fuel.