1.
Which is not a flange classification according to flange facing?
2.
what is full form of IBR in piping?
4.
Which type of 90 degree Elbow is generally used in piping
5.
Arithmetic Average Rough Height (AARH) is measurement for :
6.
We generally cut threads on GI pipes by which method?
7.
Which size onwards NB of pipe is equal to OD of pipe?
8.
In the following given options which is not a permanent wielding connection?
9.
Stainless steel is known as acid proof steel, what is the grade?
10.
Non-return valve also known as?
11.
Valve is used in a piping system for:
12.
What is Cloud marking in isometric indicates?
14.
What is minimum distance maintained between two weld joints?
15.
How can flanges be classified based on face finish?
16.
What is radius of short radius elbow?
17.
What is the most commonly used material for Gasket?
18.
Weld joint type of WNRF flange is?
19.
Which of the following is used to block up the pipe on one end?
20.
By using following fitting we use to make branch joint at right angle with respect to main line is?
21.
What is Maximum pressure rating of flange?
