1.
What is minimum distance maintained between two weld joints?
2.
Arithmetic Average Rough Height (AARH) is measurement for :
3.
Which of the following is used to block up the pipe on one end?
4.
What is Cloud marking in isometric indicates?
5.
We generally cut threads on GI pipes by which method?
7.
What is Maximum pressure rating of flange?
8.
In the following given options which is not a permanent wielding connection?
9.
Which is not a flange classification according to flange facing?
10.
what is full form of IBR in piping?
12.
What is radius of short radius elbow?
13.
Stainless steel is known as acid proof steel, what is the grade?
14.
Valve is used in a piping system for:
15.
Non-return valve also known as?
16.
Which size onwards NB of pipe is equal to OD of pipe?
17.
What is the most commonly used material for Gasket?
18.
How can flanges be classified based on face finish?
19.
Weld joint type of WNRF flange is?
20.
By using following fitting we use to make branch joint at right angle with respect to main line is?
21.
Which type of 90 degree Elbow is generally used in piping
