gaskets and piping

Question 1

What type of line requires to gaskets while the ssytym is in service?

Answer 1

spectacle blind

Question 2

Name four types of blinds commonly found in industry

Answer 2

pancake
spectacle
blind flange
volute

Question 3

Name two reasons why gaskets move island place

Answer 3

bolt load
internal pressure

Question 4

Name five common joint/flange face is found in industry

Answer 4

flat faced
tongue and groove
male/female
ring joint
raised face

Question 5

Flat face gaskets are used for high pressure?

Answer 5

false

Question 6

In regards to raised face gasket joints what are two dimensions of race face that are related directly to pressure

Answer 6

1/16 lower pressure
1/8 higher presser

Question 7

Three common designs for metal ring gaskets?

Answer 7

dealt seal ring
oval seal ring
octagonal seal ring

Question 7

Metallic gaskets are used on the engine block heads why

Answer 7

Commonly use for their strength

Question 8

What is the main limitation of tapered thread , joints, and type in?

Answer 8

They lose when vibration, pressure pulses thermal movement or presents

Question 9

true or false
Solid metal ring gaskets are good for high pressures, high temperature and corrosive conditions. (Flanges must be harder than the rings). They can be delta, oval or octagonal shaped.

Answer 9

true

Question 9

Which tool must you use to remove the bird from the inside of a pipe that you have just cut on a power vice?

Answer 9

straight reemer

Question 10

what type of gaskets along with metal-jacketed gaskets are used for high pressure/temperature applications.

Answer 10

spiral wound -made of ss steel with a non metallic insert

Question 11

what pipe is used for hydraulic piping while galvanized pipe can be used to protect against corrosion .

Answer 11

pickled and oiled used for hydraulic

Question 12

Where is pickle pipe required?

Answer 12

For ammonia service, and for all refrigerant lines

Question 13

Where is coated pipe required?

Answer 13

under ground service

Question 14

The standard taper of pipe threads is?

Answer 14

3/4” per foot ,If they use straight threads there will be an 0ring to seal the joint.

Question 15

true or false
The procedure for threading pipe is cut to cut length and deburr inside diameter and thread to end of die . After hand tightening joint there should be 2 threads left for wrench tightening.

Answer 15

true

Question 16

true or false
When installing the piping make sure the pipe is properly supported and aligned Add sealing compound to the threads at the joint but leave 2 threads at the end of the pipe free of sealant so to will not contaminate the product in the piping.

Answer 16

true

Question 17

true or false
Soldering = joining 2 metals with non- ferrous filler. (at a temperature lower than welding ).