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

Author Question: When reassembling a valve, handle ________ carefully to avoid nicking or damaging them. A) ... (Read 11 times)

pragya sharda

  • Hero Member
  • *****
  • Posts: 566
on: Jul 24, 2018
When reassembling a valve, handle ________ carefully to avoid nicking or damaging them.
 
  A) flanges and gaskets B) seals and O-rings
  C) solenoids and electrical leads D) locks and tags

Question 2

When working in a confined space where concentrations of harmful substances are very high, why should atmosphere-supplying respirators be worn?
 
  A) To supply clean breathing air from a compressed air source
  B) To enable asphyxiation to occur in a very short time
  C) To circulate odorless, tasteless, invisible refrigerants
  D) To purify air of harmful dust, mist, metal, fumes, and vapors


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

epscape

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

A


pragya sharda

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jul 24, 2018
Thanks


epscape

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 24, 2018
Welcome :)


« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Reindeer standing on snow to avoid blood-sucking insects. Reindeer standing on snow to avoid blood-sucking insects.
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
a) Lunge with your legs open to the table. b) Avoid lunging with your legs close to table. a) Lunge with your legs open to the table. b) Avoid lunging with your legs close to table.
a) Avoid locking your elbows. b) To avoid locking your elbows, keep your elbows facing sideways. a) Avoid locking your elbows. b) To avoid locking your elbows, keep your elbows facing sideways.
How to avoid car insurance claims How to avoid car insurance claims
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library