1.
How can flanges be classified based on face finish?
3.
By using following fitting we use to make branch joint at right angle with respect to main line is?
4.
Which is not a flange classification according to flange facing?
5.
What is Maximum pressure rating of flange?
6.
Which of the following is used to block up the pipe on one end?
7.
Weld joint type of WNRF flange is?
8.
What is radius of short radius elbow?
9.
Which type of 90 degree Elbow is generally used in piping
10.
What is minimum distance maintained between two weld joints?
11.
what is full form of IBR in piping?
12.
Arithmetic Average Rough Height (AARH) is measurement for :
13.
What is the most commonly used material for Gasket?
14.
Non-return valve also known as?
15.
Stainless steel is known as acid proof steel, what is the grade?
16.
We generally cut threads on GI pipes by which method?
17.
Which size onwards NB of pipe is equal to OD of pipe?
18.
What is Cloud marking in isometric indicates?
19.
In the following given options which is not a permanent wielding connection?
21.
Valve is used in a piping system for: