4678646
Beschreibung
Quiz von TRAVIS CANNING, aktualisiert more than 1 year ago
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Erstellt von TRAVIS CANNING
vor mehr als 8 Jahre
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Frage 1
Frage
poor combustion in a diesel engine is due to
Antworten
-
cold intake air
-
overhead injectors
-
carbon deposits on the injectors
-
all of the above
-
none of the above
Frage 2
Frage
Excessive oil consumption on a diesel engine could be the result of:
1. high oil temperature
2. oil diluted with fuel
3. low oil pressure
4. cracked bearings
Antworten
-
1,2
-
1,2,3
-
2,3
-
3,4
-
1,2,3,4
Frage 3
Frage
High oil temperatures in a diesel engine may be caused by:
1. low cooling water temp
2. improper combustion
3. contaminated oil
4. overheated bearings
Antworten
-
1,2
-
1,2,3
-
2,3
-
3,4
-
1,2,3,4
Frage 4
Frage
How many pumps are required in the distributer system for the injection of fuel into a large industrial diesel engine?
Antworten
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one
-
two
-
three
-
one pump for each cylinder
-
none of the above
Frage 5
Frage
Where is the oil filter located in a large diesel engine lubricating oil system?
Antworten
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in the crankcase
-
on the discharge side of the oil cooler
-
between the oil pump and the cooler
-
oil pump suction line
-
cylinder discharge
Frage 6
Frage
Which systems may be used for injecting fuel into a diesel engine cylinder?
Antworten
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direct and indirect
-
solid injection system and carburetion
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air injection and turbo injection
-
solid injection system and air injection system
-
common system and distributor system
Frage 7
Frage
A fuel injector
Antworten
-
has a fuel injection nozzle
-
injects fuel and air into the cylinder
-
inject fuel into the cylinder during the intake stroke
-
heats the fuel in order to ensure complete combustion
-
injects fuel vapor into the cylinder
Frage 8
Frage
A carburetor is used to:
1. atomize the fuel
2. heat the fuel
3. produce a vacuum
4. control the fuel/air mixture
5. add carbon to the fuel
6. mix the fuel and air
Antworten
-
1,3,5
-
2,4,6
-
1,2,3,4
-
1,3,4,5
-
1,3,4,6
Frage 9
Frage
The _______ ignition system produces a hotter spark at high speeds:
Antworten
-
magnetic
-
coil
-
distributor
-
magneto
-
dynamo
Frage 10
Frage
The coils function in a battery ignition system is to
Antworten
-
increase the current to the plugs
-
increase the voltage to the plugs
-
increase both the current an voltage to the plugs
-
increase the spark across the plugs
-
create a constant voltage to supply the plugs
Frage 11
Frage
The camshaft in a large internal combustion engine may be driven by
1. chain
2. gear
3. belt
4. fluid coupling
5. magnetic clutch
6. conduit
Antworten
-
1,2,3
-
4,5,6
-
1,3,6
-
2,4,6
-
1,2,4
Frage 12
Frage
An oil priming pump on an internal combustion engine is used:
Antworten
-
upon shutdown
-
before start-up
-
during operation
-
to fill the crank case
-
to filter the oil
Frage 13
Frage
Internal combustion engines that incorporate a heat exchanger cooling system are considered
Antworten
-
an indirect cooling system
-
an open circuit cooling system
-
a closed circuit cooling system
-
a reverse flow cooling system
-
none of the above
Frage 14
Frage
Overheating an internal combustion engine is caused by:
Antworten
-
using the wrong oil
-
running at low speeds
-
early fuel injection
-
oil leaks
-
none of the above
Frage 15
Frage
When cooling is inadequate on an internal combustion engine
Antworten
-
the pistons may contract and sieze
-
the exhaust valves may become burned
-
the oil may solidify
-
the oil becomes progressively more viscous
-
all of the above
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