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