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Author Question: If the difference between a common rafter and the first jack rafter is 18 and the first jack rafter ... (Read 46 times)

sabina

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on: Jul 24, 2018
If the difference between a common rafter and the first jack rafter is 18 and the first jack rafter is 88 long, the
  length of the fourth jack rafter is _____.
 
  A) 52
  B) 38
  C) 16
  D) 34

Question 2

A spreader bar is needed to lift trusses if the span exceeds _____.
 
  A) 20
  B) 30
  C) 40
  D) 50


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Mochi

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Reply #1 on: Jul 24, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


sabina

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Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

mammy1697

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Reply 3 on: Yesterday
Excellent

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