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

Author Question: You wish to drill a hole through a horizontal I-beam supporting a bridge. To weaken the beam the ... (Read 136 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
You wish to drill a hole through a horizontal I-beam supporting a bridge. To weaken the beam the least drill the hole through the
 
  A) upper flange.
  B) lower flange.
  C) web.
  D) all the same

Question 2

When a load is placed on a properly arched structure, compression
 
  A) weakens the structure.
  B) strengthens the structure.
  C) neither of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

trog

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B





 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library