1.
Which is not a flange classification according to flange facing?
2.
What is radius of short radius elbow?
3.
What is Maximum pressure rating of flange?
4.
How can flanges be classified based on face finish?
5.
Valve is used in a piping system for:
6.
Stainless steel is known as acid proof steel, what is the grade?
7.
What is Cloud marking in isometric indicates?
8.
Which of the following is used to block up the pipe on one end?
9.
what is full form of IBR in piping?
10.
Non-return valve also known as?
11.
Which type of 90 degree Elbow is generally used in piping
12.
By using following fitting we use to make branch joint at right angle with respect to main line is?
14.
What is the most commonly used material for Gasket?
15.
In the following given options which is not a permanent wielding connection?
16.
Which size onwards NB of pipe is equal to OD of pipe?
17.
Arithmetic Average Rough Height (AARH) is measurement for :
18.
We generally cut threads on GI pipes by which method?
19.
What is minimum distance maintained between two weld joints?
20.
Weld joint type of WNRF flange is?