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 109 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

xiazhe

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Examples of common surgical positions. Examples of common surgical positions.
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 Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Common Oral Lesions/Conditions Associated with HIV Infections and Treatment Guidelines Common Oral Lesions/Conditions Associated with HIV Infections and Treatment Guidelines
Common Antineoplastic Drugs Common Antineoplastic Drugs
Common Cytochrome P450 Drug Interactions in Dentistry Common Cytochrome P450 Drug Interactions in Dentistry
Video: Wound Care

For a complete list of videos, visit our video library