1.
Valve is used in a piping system for:
2.
Non-return valve also known as?
3.
What is the most commonly used material for Gasket?
4.
What is Cloud marking in isometric indicates?
5.
By using following fitting we use to make branch joint at right angle with respect to main line is?
6.
How can flanges be classified based on face finish?
7.
We generally cut threads on GI pipes by which method?
8.
What is radius of short radius elbow?
9.
Which of the following is used to block up the pipe on one end?
11.
Weld joint type of WNRF flange is?
12.
Stainless steel is known as acid proof steel, what is the grade?
13.
Which type of 90 degree Elbow is generally used in piping
15.
What is minimum distance maintained between two weld joints?
16.
Which size onwards NB of pipe is equal to OD of pipe?
17.
In the following given options which is not a permanent wielding connection?
18.
what is full form of IBR in piping?
19.
Arithmetic Average Rough Height (AARH) is measurement for :
20.
Which is not a flange classification according to flange facing?
21.
What is Maximum pressure rating of flange?