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

Author Question: If the difference between a common rafter and the first jack rafter is 18 and the first jack rafter ... (Read 79 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mochi

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 24, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 24, 2018
Wow, this really help

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

The Common Pochard - female The Common Pochard - female
Gallbladder with gallstones. Note the stones in the hepatic duct, gallbladder, and common bile duct. Gallbladder with gallstones. Note the stones in the hepatic duct, gallbladder, and common bile duct.
Diverse living organisms share common chemical features Diverse living organisms share common chemical features
Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ... Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ...
Examples of the most common X-ray positions and the images they produce. Examples of the most common X-ray positions and the images they produce.
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
Video: Double Vacuum Process (Illustration No Audio)

For a complete list of videos, visit our video library