4 - Stroke Engine

4 - Stroke Engine

9th - 12th Grade

16 Qs

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4 - Stroke Engine

4 - Stroke Engine

Assessment

Quiz

Other

9th - 12th Grade

Practice Problem

Hard

Used 394+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which stroke is designated by the piston moving from TDC to BDC with both the intake and exhaust valves in the closed position? 

Intake 
Compression 
Power 
Exhaust 

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A four - stroke engine generates power _____ time(s) during a complete cycle. 

1
2
3
4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the intake stroke, ________________________________. 

Spent gases are forced out of the combustion chamber from the piston's travel from BDC to TDC
Fuel is supplied to the combustion chamber
The piston travels from BDC to TDC to compress the fuel charge prior to ignition
Air - fuel mixture is deposited into the combustion chamber

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Spark is a necessary element of internal combustion engine operation. How do small 4-stroke engines create spark to ignite the charge in the combustion chamber? 

The upward force of the piston provides the spark needed to ignite the charge.
Friction between the ignition armature and the magneto creates an electric arc that sends high voltage to the spark plug. 
Fuel in the carburetor is vaporized by high speed air injected from the choke side of the carburetor.
None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

List the strokes of the 4 - cycle engine theory in order. 

Intake, Power, Compression, Exhaust 
Intake, Compression, Power, Exhaust 
Exhaust, Power, Compression, Intake 
Compression, Power, Intake, Exhaust 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Piston force and subsequent motion are transferred to the crankshaft on which of the following engine strokes? 

Intake 
Compression
Power 
Exhaust 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Compression is best defined as ___________________________. 

Expanding a small volume into a larger volume 
Reducing a larger volume into a smaller volume 

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