1.
What is the most commonly used material for Gasket?
2.
We generally cut threads on GI pipes by which method?
3.
what is full form of IBR in piping?
4.
What is Cloud marking in isometric indicates?
6.
Which is not a flange classification according to flange facing?
7.
What is minimum distance maintained between two weld joints?
8.
What is radius of short radius elbow?
9.
In the following given options which is not a permanent wielding connection?
10.
Stainless steel is known as acid proof steel, what is the grade?
11.
Non-return valve also known as?
12.
By using following fitting we use to make branch joint at right angle with respect to main line is?
13.
What is Maximum pressure rating of flange?
14.
How can flanges be classified based on face finish?
15.
Which type of 90 degree Elbow is generally used in piping
16.
Which size onwards NB of pipe is equal to OD of pipe?
18.
Weld joint type of WNRF flange is?
19.
Valve is used in a piping system for:
20.
Arithmetic Average Rough Height (AARH) is measurement for :
21.
Which of the following is used to block up the pipe on one end?
