This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: For lowest hydrocarbon emissions, which of these engine design features is used? (Read 468 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Aug 13, 2021

Question 1

Cylinder heads with four valves flow more air than those with two valves because they ________.
◦ Have a greater open area
◦ Use a higher lift camshaft
◦ Increase the velocity of the air
◦ Both A and C

Question 2

For lowest hydrocarbon emissions, which of these engine design features is used?
◦ Low combustion chamber surface area-to-volume ratio
◦ High combustion chamber surface area-to-volume ratio
◦ Non-centrally mounted spark plug
◦ Increased (as much as possible) quench area
Automotive Technology ¦ Halderman ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by robinn137 on Aug 13, 2021

dlook33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 13, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 49% of students answer this correctly


figz88

  • Newbie
  • *
  • Posts: 1
Reply #2 on: May 10, 2022
thank you


low_fat_Yogurt

  • Newbie
  • *
  • Posts: 1
Reply #3 on: Nov 1, 2022
thank you


« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Your heart beats over 36 million times a year.

Comparative features of blood vessels. Comparative features of blood vessels.
Inline four-cylinder engine showing principal and nonprincipal ends. Normal direction of rotation is ... Inline four-cylinder engine showing principal and nonprincipal ends. Normal direction of rotation is ...
A rod/piston assembly from a 5.9 liter Cummins diesel engine used in a Dodge pickup truck. A rod/piston assembly from a 5.9 liter Cummins diesel engine used in a Dodge pickup truck.
After the engine has been cranked for four “puffs,” stop cranking the engine and observe the ... After the engine has been cranked for four “puffs,” stop cranking the engine and observe the ...
Electricity production accounts for 25% of greenhouse gas emissions Electricity production accounts for 25% of greenhouse gas emissions
Buildings account for 15% of greenhouse gas emissions Buildings account for 15% of greenhouse gas emissions
Video: Wound Repair Animation

For a complete list of videos, visit our video library