1.
what is full form of IBR in piping?
3.
Which size onwards NB of pipe is equal to OD of pipe?
4.
We generally cut threads on GI pipes by which method?
5.
Arithmetic Average Rough Height (AARH) is measurement for :
6.
Weld joint type of WNRF flange is?
7.
What is the most commonly used material for Gasket?
8.
In the following given options which is not a permanent wielding connection?
9.
What is Cloud marking in isometric indicates?
10.
Non-return valve also known as?
11.
Which type of 90 degree Elbow is generally used in piping
12.
Which is not a flange classification according to flange facing?
13.
Which of the following is used to block up the pipe on one end?
14.
What is radius of short radius elbow?
15.
What is Maximum pressure rating of flange?
16.
Stainless steel is known as acid proof steel, what is the grade?
17.
Valve is used in a piping system for:
19.
What is minimum distance maintained between two weld joints?
20.
By using following fitting we use to make branch joint at right angle with respect to main line is?
21.
How can flanges be classified based on face finish?
