Pipe Insulation?

Pipe Insulation?
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form_title= Pipe Insulation form_header= Don't let your pipes freeze. Get them insulated. Do your pipes often freeze?*= () Yes () No Do your pipes leak?*= () Yes () No When were your pipes installed?*= _ [50]
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Pipe insulation

Description : Hello, a new plastic pipe leading from the well to the house has been added. We wanted to cover it with sand and concrete and suddenly it's dewy and darling too. The pipe is wrapped in polyethylene (the gray) and ... is open? We don't know if it's still going to insulate or what to do. Thank you V.

Last Answer : Yes, it's just dew due to different temperatures. In a similar situation, it will continue to grow. It won't do anything in the country, it has nothing to corrode there when the pipe is made of PVC

What is the Water Regulations the maximum permissible length of dead leg without insulation from the top of a hot water cylinder to the outlet tap for a 22mm pipe?

Description : What is the Water Regulations the maximum permissible length of dead leg without insulation from the top of a hot water cylinder to the outlet tap for a 22mm pipe?

Last Answer : 8m

What is the Water Regulations the maximum permissible length of dead leg without insulation from the top of a hot water cylinder to the outlet tap for a 22mm pipe i?

Description : What is the Water Regulations the maximum permissible length of dead leg without insulation from the top of a hot water cylinder to the outlet tap for a 22mm pipe i?

Last Answer : 8m

Routine maintenance of dry-type transformers should include ______________. A. preventing the entrance of water from broken pipe lines steam lines B. keeping protective surfaces and insulating bushings free of dirt and conductive debris C. periodic testing of insulation resistance with a megger D. all of the above

Description : Routine maintenance of dry-type transformers should include ______________. A. preventing the entrance of water from broken pipe lines steam lines B. keeping protective surfaces and insulating bushings free of ... debris C. periodic testing of insulation resistance with a megger D. all of the above

Last Answer : Answer: D

For a given ambient air temperature with increase in the thickness of insulation of a hot cylindrical pipe, the rate of heat loss from the surface would (A) Decrease(B) Increase(C) First decrease and then increase(D) First increase and then decrease

Description : For a given ambient air temperature with increase in the thickness of insulation of a hot cylindrical pipe, the rate of heat loss from the surface would (A) Decrease (B) Increase (C) First decrease and then increase (D) First increase and then decrease

Last Answer : (D) First increase and then decrease

The critical radius 'r' of insulation on a pipe is given by (A) r = 2k/h (B) r = k/h (C) r = k/2h (D) r = h/k

Description : The critical radius 'r' of insulation on a pipe is given by (A) r = 2k/h (B) r = k/h (C) r = k/2h (D) r = h/k

Last Answer : (B) r = k/h

The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe) (A) K/h0 (B) 2K/h0 (C) hi /K (D) 2hi /K

Description : The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe) (A) K/h0 (B) 2K/h0 (C) hi /K (D) 2hi /K

Last Answer : (A) K/h0

A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place (A) The better insulation material should be put just next to pipe (i.e., inside) (B) The better insulating material should be put outside (C) Either of the insulating material could be put on either side (D) Steam temperature is considered before deciding as to which insulating material is to be put inside (i.e., just next to the pipe)

Description : A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place (A) The better insulation material should be put just ... to which insulating material is to be put inside (i.e., just next to the pipe)

Last Answer : (A) The better insulation material should be put just next to pipe (i.e., inside)

Terracotta is used in buildings for a) Storage b) Insulation c) Ornamental work* d) Sewer pipe

Description : Terracotta is used in buildings for a) Storage b) Insulation c) Ornamental work* d) Sewer pipe

Last Answer : c) Ornamental work*