1.
Which is not a flange classification according to flange facing?
2.
What is the most commonly used material for Gasket?
4.
What is radius of short radius elbow?
5.
We generally cut threads on GI pipes by which method?
6.
Valve is used in a piping system for:
7.
What is Cloud marking in isometric indicates?
8.
Which of the following is used to block up the pipe on one end?
9.
Arithmetic Average Rough Height (AARH) is measurement for :
10.
By using following fitting we use to make branch joint at right angle with respect to main line is?
11.
Which size onwards NB of pipe is equal to OD of pipe?
12.
What is minimum distance maintained between two weld joints?
13.
In the following given options which is not a permanent wielding connection?
14.
Non-return valve also known as?
16.
How can flanges be classified based on face finish?
17.
What is Maximum pressure rating of flange?
18.
Stainless steel is known as acid proof steel, what is the grade?
19.
what is full form of IBR in piping?
20.
Which type of 90 degree Elbow is generally used in piping
21.
Weld joint type of WNRF flange is?
