1.
We generally cut threads on GI pipes by which method?
2.
Which of the following is used to block up the pipe on one end?
3.
what is full form of IBR in piping?
4.
Which size onwards NB of pipe is equal to OD of pipe?
5.
Weld joint type of WNRF flange is?
6.
Which type of 90 degree Elbow is generally used in piping
7.
What is the most commonly used material for Gasket?
8.
By using following fitting we use to make branch joint at right angle with respect to main line is?
9.
Non-return valve also known as?
10.
How can flanges be classified based on face finish?
11.
Arithmetic Average Rough Height (AARH) is measurement for :
12.
What is Cloud marking in isometric indicates?
14.
Stainless steel is known as acid proof steel, what is the grade?
16.
What is minimum distance maintained between two weld joints?
17.
What is radius of short radius elbow?
18.
What is Maximum pressure rating of flange?
19.
In the following given options which is not a permanent wielding connection?
20.
Which is not a flange classification according to flange facing?
21.
Valve is used in a piping system for:
