1.
Which is not a flange classification according to flange facing?
2.
Valve is used in a piping system for:
3.
Non-return valve also known as?
5.
By using following fitting we use to make branch joint at right angle with respect to main line is?
6.
Which size onwards NB of pipe is equal to OD of pipe?
7.
We generally cut threads on GI pipes by which method?
8.
Weld joint type of WNRF flange is?
9.
What is radius of short radius elbow?
10.
What is minimum distance maintained between two weld joints?
11.
Arithmetic Average Rough Height (AARH) is measurement for :
12.
Which of the following is used to block up the pipe on one end?
13.
Stainless steel is known as acid proof steel, what is the grade?
14.
In the following given options which is not a permanent wielding connection?
15.
what is full form of IBR in piping?
16.
How can flanges be classified based on face finish?
17.
What is Maximum pressure rating of flange?
18.
What is Cloud marking in isometric indicates?
20.
What is the most commonly used material for Gasket?
21.
Which type of 90 degree Elbow is generally used in piping
