1.
What is radius of short radius elbow?
2.
Valve is used in a piping system for:
3.
Which is not a flange classification according to flange facing?
4.
What is Cloud marking in isometric indicates?
5.
How can flanges be classified based on face finish?
6.
By using following fitting we use to make branch joint at right angle with respect to main line is?
7.
What is Maximum pressure rating of flange?
8.
Weld joint type of WNRF flange is?
10.
In the following given options which is not a permanent wielding connection?
11.
We generally cut threads on GI pipes by which method?
12.
What is the most commonly used material for Gasket?
14.
Stainless steel is known as acid proof steel, what is the grade?
15.
what is full form of IBR in piping?
16.
Which size onwards NB of pipe is equal to OD of pipe?
17.
Which type of 90 degree Elbow is generally used in piping
18.
Which of the following is used to block up the pipe on one end?
19.
Arithmetic Average Rough Height (AARH) is measurement for :
20.
Non-return valve also known as?
21.
What is minimum distance maintained between two weld joints?
