1.
What is the most commonly used material for Gasket?
2.
In the following given options which is not a permanent wielding connection?
3.
What is Maximum pressure rating of flange?
4.
By using following fitting we use to make branch joint at right angle with respect to main line is?
5.
We generally cut threads on GI pipes by which method?
6.
Which size onwards NB of pipe is equal to OD of pipe?
7.
Stainless steel is known as acid proof steel, what is the grade?
8.
Non-return valve also known as?
10.
Which type of 90 degree Elbow is generally used in piping
11.
Which is not a flange classification according to flange facing?
12.
What is Cloud marking in isometric indicates?
13.
Which of the following is used to block up the pipe on one end?
14.
what is full form of IBR in piping?
15.
Valve is used in a piping system for:
16.
Weld joint type of WNRF flange is?
17.
How can flanges be classified based on face finish?
18.
What is minimum distance maintained between two weld joints?
19.
Arithmetic Average Rough Height (AARH) is measurement for :
20.
What is radius of short radius elbow?
