1.
In the following given options which is not a permanent wielding connection?
2.
What is radius of short radius elbow?
3.
We generally cut threads on GI pipes by which method?
4.
Arithmetic Average Rough Height (AARH) is measurement for :
5.
By using following fitting we use to make branch joint at right angle with respect to main line is?
6.
Non-return valve also known as?
7.
How can flanges be classified based on face finish?
8.
What is Cloud marking in isometric indicates?
9.
what is full form of IBR in piping?
10.
Which size onwards NB of pipe is equal to OD of pipe?
11.
Stainless steel is known as acid proof steel, what is the grade?
12.
What is Maximum pressure rating of flange?
13.
What is the most commonly used material for Gasket?
15.
Weld joint type of WNRF flange is?
16.
Which type of 90 degree Elbow is generally used in piping
17.
What is minimum distance maintained between two weld joints?
19.
Valve is used in a piping system for:
20.
Which is not a flange classification according to flange facing?
21.
Which of the following is used to block up the pipe on one end?
