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

Author Question: What drives a ballistic concrete nail in? What will be an ideal ... (Read 12 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
What drives a ballistic concrete nail in?
 
  What will be an ideal response?

Question 2

Explain the significance of each part of this bolt specification. 2 x  NC-20 hex head
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coyin

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A small charge that resembles a 22-caliber blank cartridge.

Answer to Question 2

The first dimension given, 2 inches is the length of the bolt. The second dimension,  inch, is the outside or major diameter of the bolt. The letters NC refer to the fact that this a national coarse threaded bolt. It has twenty threads per inch, and the bolt has a hex head.




sjones

  • Member
  • Posts: 520
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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.

For a complete list of videos, visit our video library