1
Stainless steel is known as acid proof steel, what is the grade?
2
what is full form of IBR in piping?
3
What is radius of short radius elbow?
4
By using following fitting we use to make branch joint at right angle with respect to main line is?
5
In the following given options which is not a permanent wielding connection?
6
What is Cloud marking in isometric indicates?
8
Valve is used in a piping system for:
9
Which size onwards NB of pipe is equal to OD of pipe?
10
Non-return valve also known as?
11
What is the most commonly used material for Gasket?
12
How can flanges be classified based on face finish?
13
Arithmetic Average Rough Height (AARH) is measurement for :
14
Which type of 90 degree Elbow is generally used in piping
15
What is minimum distance maintained between two weld joints?
17
Which of the following is used to block up the pipe on one end?
18
What is Maximum pressure rating of flange?
19
We generally cut threads on GI pipes by which method?
20
Which is not a flange classification according to flange facing?
21
Weld joint type of WNRF flange is?
