2.
Stainless steel is known as acid proof steel, what is the grade?
3.
Arithmetic Average Rough Height (AARH) is measurement for :
4.
What is minimum distance maintained between two weld joints?
5.
Which of the following is used to block up the pipe on one end?
6.
What is Cloud marking in isometric indicates?
7.
Which is not a flange classification according to flange facing?
8.
How can flanges be classified based on face finish?
9.
By using following fitting we use to make branch joint at right angle with respect to main line is?
11.
Non-return valve also known as?
12.
Valve is used in a piping system for:
13.
Which type of 90 degree Elbow is generally used in piping
14.
In the following given options which is not a permanent wielding connection?
15.
Which size onwards NB of pipe is equal to OD of pipe?
16.
What is the most commonly used material for Gasket?
17.
what is full form of IBR in piping?
18.
What is radius of short radius elbow?
19.
We generally cut threads on GI pipes by which method?
20.
Weld joint type of WNRF flange is?
21.
What is Maximum pressure rating of flange?
