Maharashtra State Board of Technical Education 2009 Diploma Fabrication Engineering Test II of Welding Technology - Question Paper

Sample Test Paper-II
Course : Fabrication Technology and Erection Engineering
Course Code : FC
Semester : Fourth
Subject : Welding Technology
Marks : 20 Time: one Hour
Instruction:
1. All ques. are compulsory.
2. Figures to the right shows full marks.
3. Draw neat sketches wherever needed.
4. presume suitable data if necessary.
Q. 1) ans any 2 of the following: 04 Marks
a) What is porosity in welding?
b) describe soldering?
c) describe weldability?
Q.2) ans any 2 of the following: 08 Marks
a) Draw a schematic diagram of induction brazing and & state its 2 uses?
b) What is hydrogen induced cracking & state the factors for reducing it?
c) elaborate the precautions to be taken for aluminum welding?
Q.3) ans any 2 of the following: 08 Marks
a) define stainless steel welding with respect to (i) Process (ii) Shielding
(iii) Electrode (iv) Interpass temperature
b) discuss stress reducing Post weld heat treatment?
c) List the procedure sequentially for brazing operation

Earning:   Approval pending.