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