1.
What is radius of short radius elbow?
2.
Non-return valve also known as?
3.
How can flanges be classified based on face finish?
5.
What is the most commonly used material for Gasket?
6.
Weld joint type of WNRF flange is?
7.
By using following fitting we use to make branch joint at right angle with respect to main line is?
8.
We generally cut threads on GI pipes by which method?
9.
Which size onwards NB of pipe is equal to OD of pipe?
10.
Stainless steel is known as acid proof steel, what is the grade?
11.
What is Maximum pressure rating of flange?
12.
What is minimum distance maintained between two weld joints?
13.
What is Cloud marking in isometric indicates?
14.
Arithmetic Average Rough Height (AARH) is measurement for :
15.
Which of the following is used to block up the pipe on one end?
16.
Valve is used in a piping system for:
17.
what is full form of IBR in piping?
19.
In the following given options which is not a permanent wielding connection?
20.
Which is not a flange classification according to flange facing?
21.
Which type of 90 degree Elbow is generally used in piping
