1.
We generally cut threads on GI pipes by which method?
2.
Which type of 90 degree Elbow is generally used in piping
4.
Which of the following is used to block up the pipe on one end?
5.
What is the most commonly used material for Gasket?
6.
Which size onwards NB of pipe is equal to OD of pipe?
7.
What is Maximum pressure rating of flange?
8.
What is minimum distance maintained between two weld joints?
9.
Weld joint type of WNRF flange is?
10.
what is full form of IBR in piping?
11.
What is Cloud marking in isometric indicates?
12.
In the following given options which is not a permanent wielding connection?
13.
What is radius of short radius elbow?
14.
Which is not a flange classification according to flange facing?
15.
By using following fitting we use to make branch joint at right angle with respect to main line is?
17.
Stainless steel is known as acid proof steel, what is the grade?
18.
Non-return valve also known as?
19.
How can flanges be classified based on face finish?
20.
Arithmetic Average Rough Height (AARH) is measurement for :
21.
Valve is used in a piping system for:
