1.
How can flanges be classified based on face finish?
3.
Which type of 90 degree Elbow is generally used in piping
4.
What is radius of short radius elbow?
5.
What is the most commonly used material for Gasket?
6.
Which is not a flange classification according to flange facing?
7.
Valve is used in a piping system for:
8.
In the following given options which is not a permanent wielding connection?
9.
Weld joint type of WNRF flange is?
11.
We generally cut threads on GI pipes by which method?
12.
By using following fitting we use to make branch joint at right angle with respect to main line is?
13.
Which size onwards NB of pipe is equal to OD of pipe?
14.
What is Cloud marking in isometric indicates?
15.
What is minimum distance maintained between two weld joints?
16.
Arithmetic Average Rough Height (AARH) is measurement for :
17.
what is full form of IBR in piping?
18.
Non-return valve also known as?
19.
Stainless steel is known as acid proof steel, what is the grade?
20.
Which of the following is used to block up the pipe on one end?
21.
What is Maximum pressure rating of flange?
