1.
We generally cut threads on GI pipes by which method?
3.
What is Maximum pressure rating of flange?
5.
Non-return valve also known as?
6.
Which is not a flange classification according to flange facing?
7.
Which type of 90 degree Elbow is generally used in piping
8.
what is full form of IBR in piping?
9.
Which of the following is used to block up the pipe on one end?
10.
In the following given options which is not a permanent wielding connection?
11.
Which size onwards NB of pipe is equal to OD of pipe?
12.
What is radius of short radius elbow?
13.
Stainless steel is known as acid proof steel, what is the grade?
14.
By using following fitting we use to make branch joint at right angle with respect to main line is?
15.
Weld joint type of WNRF flange is?
16.
Valve is used in a piping system for:
17.
What is Cloud marking in isometric indicates?
18.
How can flanges be classified based on face finish?
19.
Arithmetic Average Rough Height (AARH) is measurement for :
20.
What is minimum distance maintained between two weld joints?
21.
What is the most commonly used material for Gasket?
