1.
Which of the following is used to block up the pipe on one end?
2.
What is minimum distance maintained between two weld joints?
3.
Which type of 90 degree Elbow is generally used in piping
4.
Which size onwards NB of pipe is equal to OD of pipe?
5.
What is radius of short radius elbow?
6.
By using following fitting we use to make branch joint at right angle with respect to main line is?
7.
Weld joint type of WNRF flange is?
8.
Stainless steel is known as acid proof steel, what is the grade?
9.
We generally cut threads on GI pipes by which method?
10.
Non-return valve also known as?
11.
How can flanges be classified based on face finish?
12.
Which is not a flange classification according to flange facing?
13.
Valve is used in a piping system for:
14.
In the following given options which is not a permanent wielding connection?
15.
Arithmetic Average Rough Height (AARH) is measurement for :
18.
What is Cloud marking in isometric indicates?
19.
what is full form of IBR in piping?
20.
What is Maximum pressure rating of flange?
21.
What is the most commonly used material for Gasket?
