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Author Question: The intake valve opens at 39 BTDC (before top dead center) and closes at 71 ABDC (After bottom dead ... (Read 139 times)

penza

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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


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bobsmith

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Reply #1 on: Jun 23, 2018
Answer to Question 1

C

Answer to Question 2

B


penza

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Reply 2 on: Jun 23, 2018
Thanks for the timely response, appreciate it

komodo7

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Reply 3 on: Yesterday
Excellent

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