1.
What is Maximum pressure rating of flange?
2.
By using following fitting we use to make branch joint at right angle with respect to main line is?
3.
Which is not a flange classification according to flange facing?
4.
How can flanges be classified based on face finish?
5.
What is minimum distance maintained between two weld joints?
6.
Stainless steel is known as acid proof steel, what is the grade?
7.
Which size onwards NB of pipe is equal to OD of pipe?
9.
Which type of 90 degree Elbow is generally used in piping
11.
What is radius of short radius elbow?
12.
What is Cloud marking in isometric indicates?
13.
Non-return valve also known as?
14.
what is full form of IBR in piping?
15.
What is the most commonly used material for Gasket?
16.
Weld joint type of WNRF flange is?
17.
We generally cut threads on GI pipes by which method?
18.
Arithmetic Average Rough Height (AARH) is measurement for :
19.
Which of the following is used to block up the pipe on one end?
20.
Valve is used in a piping system for:
21.
In the following given options which is not a permanent wielding connection?
