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Author Question: The most common cause of roller chain failure is: A. Sideplate fatigue. B. Roller fatigue. C. ... (Read 82 times)

cartlidgeashley

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on: Aug 19, 2018
The most common cause of roller chain failure is:
 
  A. Sideplate fatigue.
  B. Roller fatigue.
  C. Crystallization embrittlement.
  D. Lack of lubrication.

Question 2

A man is holding a 50 pound box three feet above the grounD. How much work is
  being done?
 
  A. -50 ft-lb
  B. 0 ft-lb
  C. +50 ft-lb
  D. +150 ft-lb


triiciiaa

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Reply #1 on: Aug 19, 2018
Answer to Question 1

D

Answer to Question 2

B


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cartlidgeashley

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Reply #2 on: Aug 19, 2018
TY


triiciiaa

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Reply #3 on: Aug 19, 2018
You're welcome


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