[Answered] If the difference between a common rafter and the first jack rafter is 18 and the first jack rafter ...

This topic contains a solution. Click here to go to the answer

Author Question: If the difference between a common rafter and the first jack rafter is 18 and the first jack rafter ... (Read 108 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

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

sultansheikh

Member
Posts: 335

Reply 3 on: Yesterday

Great answer, keep it coming

« previous next »

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.