Download GTU BE/B.Tech 2019 Summer 5th Sem New 2152506 Foundry Technology Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 5th Sem New 2152506 Foundry Technology Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?V (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2152506 Date: 06/06/2019

Subject Name: Foundry Technology

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Write basic steps of casting process. 03
(b) Compare casting process with metal joining process. 04
(c) Explain the pattern allowance in brief. 07

Q.2 (a) Discuss about pollution control in foundry. 03
(b) Write short note on pattern materials. 04
(c) Explain any seven casting defect with causes and its remedies. 07
OR
(c) Explain inspection of casting and explain any two non-destructives testing of
casting.
07
Q.3 (a) Draw any six patterns. 03
(b) Discuss any four required properties of molding sand. 04
(c) Explain directional solidification with neat sketch. 07
OR
Q.3 (a) Define following terms:- permeability, Green compressive strength, mould
hardness
03
(b) Write basic steps of Permanent Mold Casting Technique. 04
(c) Explain hand moulding tools with sketch. 07

Q.4 (a) Draw schematic diagram of induction furnace. 03
(b) Write a short note on cupola furnace. 04
(c) Write a brief about riser location and design. 07
OR
Q.4 (a) Draw schematic diagram of electric arc furnace. 03
(b) Explain the principle of electric arc furnace. 04
(c) Explain Gating System with its elements with neat sketch. 07

Q.5 (a) Write basic steps involved in the sand casting process. 03
(b) Discuss slush casting. 04
(c) Write a short note on Annealing and Normalizing heat treatment process. 07
OR

Q.5 (a) Write basic steps involved in the investment casting process. 03
(b) Explain the gravity die casting. 04
(c) Write a short note on Hardening and Tempering heat treatment process. 07

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