Test Bank For Automotive Engines Diagnosis, Repair, and Rebuilding 9th Edition by Tim Gilles, Tim LeVan Chapter 1-19
Solution Manual For Automotive Engines Diagnosis, Repair, and Rebuilding 9th Edition by Tim Gilles, Tim LeVan Chapter 1-19
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Test Bank For Automotive Engines: Diagnosis, Repair, and Rebuilding
Chapter 01: Engine Operation
CHAPTER 01: ENGINE OPERATION
1. The I-head engine has the valves in the block.
a. True
b. False
ANSWER: False
FEEDBACK: Correct
Incorrect The I-Head engine has the valves located in the cylinder head
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 1/16/2023 8:41 AM
DATE MODIFIED: 1/16/2023 8:45 AM
2. The gasoline engine is also known as a spark ignition engine.
a. True
b. False
ANSWER: True
FEEDBACK: Correct The gasoline engine requires a spark plug to ignition the air fuel mixture
Incorrect
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 1/16/2023 8:48 AM
DATE MODIFIED: 1/27/2023 6:47 AM
3. A two-stroke engine has a power stroke every other crankshaft revolution.
a. True
b. False
ANSWER: False
FEEDBACK: Correct
Incorrect A two-stroke engine has a power stroke every crankshaft revolution
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 1/16/2023 8:52 AM
DATE MODIFIED: 2/22/2023 1:14 AM
4. In four-stroke engine operation, gasoline will not burn unless it is mixed with the correct amount of air.
a. True
b. False
ANSWER: True
FEEDBACK: Correct The four-stroke engine requires the air fuel mixture to be 14.7:1 for a proper combustion
1
,Test Bank For Automotive Engines: Diagnosis, Repair, and Rebuilding
Chapter 01: Engine Operation
event.
Incorrect
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 1/16/2023 8:59 AM
DATE MODIFIED: 1/16/2023 9:15 AM
5. The camshaft controls the rate at which the engine breathes.
a. True
b. False
ANSWER: True
FEEDBACK: Correct The camshaft controls the valve opening events which allows the engine to breath properly
Incorrect
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 1/16/2023 9:11 AM
DATE MODIFIED: 1/16/2023 9:17 AM
6. What cylinder arrangement is popular with designers when an engine has more than four cylinders?
a. radial
b. opposed
c. in-line
d. V-type
ANSWER: d
FEEDBACK: a.
b.
c.
d. Engines with more than 4 cylinders, designers prefer the V design to minimize the
physical space the engine requires underneath the hood of the vehicle.
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:42 PM
DATE MODIFIED: 1/27/2023 6:38 AM
7. How many degrees is a complete cycle on a four-stroke engine?
a. 120
b. 180
c. 360
d. 720
2
,Test Bank For Automotive Engines: Diagnosis, Repair, and Rebuilding
Chapter 01: Engine Operation
ANSWER: d
FEEDBACK: a.
b.
c.
d. The four-stroke cycle takes two revolutions of the crankshaft to complete. Each
revolution is 360 degrees, so multiply that by 2 you get 720 degrees of rotation
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:43 PM
DATE MODIFIED: 2/22/2023 1:52 AM
8. What cylinder number is the closest to the front of the engine on almost all V-type engines?
a. 1
b. 2
c. 4
d. 6
ANSWER: a
FEEDBACK: a. The #1 cylinder is the farthest forward cylinder of the engine and is a common rule used
by all OEM’s
b.
c.
d.
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:44 PM
DATE MODIFIED: 1/27/2023 6:40 AM
9. What proportion of gross horsepower is consumed by all of the accessories on a modern engine?
a. 10%
b. 25%
c. 30%
d. 50%
ANSWER: b
FEEDBACK: a.
b. The use of belt or gear driven accessories consumes 25% of the gross horsepower of the
engine and is one of the main reasons most OEM’s are moving to electrically powered
accessories.
c.
d.
POINTS: 1
3
, Test Bank For Automotive Engines: Diagnosis, Repair, and Rebuilding
Chapter 01: Engine Operation
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:45 PM
DATE MODIFIED: 1/27/2023 6:49 AM
10. How often does a power stroke occur on a V8 engine?
a. Every 90 degrees
b. Every 360 degrees
c. Every 120 degrees
d. Every 720 degrees
ANSWER: a
FEEDBACK: a. With a V8 configured engine every 90 degrees one cylinder is on the power stroke. This
allows for the engine to maintain its momentum as it is operated over the operational
range.
b.
c.
d.
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:46 PM
DATE MODIFIED: 2/21/2023 5:18 AM
11. Most of today’s cars are powered by _____.
a. Rudolph-cycle engines
b. Otto-cycle engines
c. Ford-cycle engines
d. Hemi-cycle engines
ANSWER: b
FEEDBACK: a.
b. The Otto-cycle engine has the largest range of operational RPM and allows the operator
with the most versatile type of engine.
c.
d.
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 1/22/2023 7:47 PM
DATE MODIFIED: 1/27/2023 6:49 AM
12. What is true of the I-head engine? Technician A says that the I-head engine is widely used in automobiles because it
can breathe better than earlier engine designs. Technician B says that increased valve lift is possible with an I-head
engine. Which technician is correct?
4
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