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

Author Question: The intake valve opens at 39 BTDC (before top dead center) and closes at 71 ABDC (After bottom dead ... (Read 149 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jun 23, 2018
The intake valve opens at 39 BTDC (before top dead center) and closes at 71 ABDC (After bottom dead center). The exhaust valve opens at 78 BBDC (before bottom dead center) and closes at 47 ATDC (after top dead center). Which of these is correct regarding this cam timing?
 
  A) Intake valve duration is 110 B) Exhaust valve duration is 125
  C) Overlap is 86 D) Both A and B

Question 2

A defective blower motor draws more current than a good motor because ________.
 
  A) The speed of the motor increases
  B) The CEMF decreases
  C) The airflow slows down, which decreases the cooling of the motor
  D) Both A and C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 23, 2018
Answer to Question 1

C

Answer to Question 2

B


penza

  • Member
  • Posts: 1,022
Reply 2 on: Jun 23, 2018
YES! Correct, THANKS for helping me on my review

Animal_Goddess

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Valve replacement surgery. Valve replacement surgery.
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
The lower intake manifold attaches to the cylinder heads. The lower intake manifold attaches to the cylinder heads.
An overhead camshaft engine equipped with variable valve timing on both the intake and exhaust ... An overhead camshaft engine equipped with variable valve timing on both the intake and exhaust ...
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library