WorksheetsEngine Design and Function Quiz
Total questions: 15
Worksheet time: 8mins
Which of the following is a type of operational design for engines?
Four-stroke
V-type
2.0 liter
Gasoline
How many cylinders can an engine have according to the classifications mentioned?
Four, five, six, eight, 12
Two, three, seven, nine
One, three, five, seven
Ten, eleven, thirteen, fourteen
What is the arrangement of cylinders in an engine?
V-type, inline
Overhead cam, pushrod
Air or liquid
Gasoline, diesel
What is the purpose of the power stroke in a four-stroke engine?
To move the piston and produce power
To compress the air-fuel mixture
To release exhaust gases
To cool the engine
What happens during the power stroke in an engine?
The piston moves upward, pushing exhaust gases out.
The piston is at TDC and combustion pushes it down.
The intake valve opens to allow air-fuel mixture in.
The crankshaft rotates twice.
How many times does the power stroke occur per second at 4,000 RPM?
5 times
10 times
Over 30 times
20 times
What is the main purpose of the exhaust stroke?
To ignite the air-fuel mixture
To remove spent gases from the cylinder
To compress the air-fuel mixture
To lubricate the engine
What is a common feature of gasoline-powered engines?
They are all two-stroke engines.
They are all electric engines.
They are four-stroke, reciprocating piston engines.
They have no exhaust system.
What happens when the piston in a two-stroke engine moves downward?
The intake and exhaust ports are closed
The intake and exhaust ports are covered
The intake and exhaust ports are both uncovered
The reed valve opens
How do diesel engines ignite fuel?
Using a spark
Using compression ignition
Using a reed valve
Using a supercharger
What is the main difference between diesel and gasoline engines in terms of ignition?
Diesel engines use a spark
Gasoline engines use compression ignition
Diesel engines use compression ignition
Both use the same ignition method
Where is the fuel injected in port fuel injection systems on gasoline engines?
Inside the combustion chamber
Outside the combustion chamber
Directly into the cylinder
Into the exhaust system
What term is used to refer to the most widely available petroleum diesel?
Bio-diesel
Petro-diesel
Vegetable diesel
Synthetic diesel
What is a drawback of diesel engines that has limited their use in passenger cars?
They are too quiet
They are too expensive
They have other drawbacks
They are too small
What is the main reason diesel engines are attractive to vehicle manufacturers?
They are cheaper to produce
They provide better fuel efficiency
They are more stylish
They are easier to maintain
