Chapter 16
If a four cylinder engine has a firing order that is 1-3-4-2, which cylinder is on its exhaust stoke when cylinder 2 is on its intake stroke?
1 is on exhaust stroke
If a mixture is compressed to about 1/10 of the volume it occupied when the piston was at BDC, what is the compression ratio?
10:1
What is typical gasoline engine compression ratio?
14.7:1
List two firing orders for a V8 and V6.
1843:6572 V8, 153:624 V6
A ________ stroke cycle engine is often in chainsaws and outboard motors.
2-stroke engine
About how much change in horsepower does each point of change in compression ratio result in?
4-6 percent change in horsepower
Moving a 10 pound weight 50 feet results in _________ foot-pounds of work.
500 foot-pound
What are the rows of cylinders in a V-type block called?
Cylinder banks
What is the name of the engine design that is called compression ignition?
Diesel engine
What is the name of the piece of equipment used to measure an engine's output?
Dyno
What is the term for work, pounds-foot or foot-pounds?
Foot-pounds
What is the name of the design that uses a small amount of rich air-fuel mixture to ignite a leaner mixture?
Gasoline engine
What are three ways that cylinders are arranged in a block ?
Inline, opposed, V-type
What is the name of the area between the heads on a V-type block?
Intake manifold
What kind of engine has a combustion chamber that is flat?
L-head
When an engine has a cylinder bore that is larger than it's stroke, what is it called?
Oversquare engine
What kind of engine is a Wankel, reciprocating or rotary?
Rotary engine
What is the name for the volume that the piston displaces in the cylinder as it moves between BDC to TDC?
Stroke
What is the name for the amount of turning force exerted by the crankshaft?
Torque
What is the name of the measurement comparing the volume of airflow actually entering the engine with the maximum that theoretically could enter it?
Volumetric Efficiency