Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2130103 Analysis Of Mechanisms And Machine Elements Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2130103 Analysis Of Mechanisms And Machine Elements Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2130103 Date: 28/11/2019

Subject Name: Analysis Of Mechanisms & Machine Elements
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) Define: (i) Linkage (ii) DOF (iii) Mechanism 03
(b) List different types of kinematic pairs with neat sketch. 04
(c) With help of neat sketches explain inversions of four-bar chain
mechanism.
07

Q.2 (a) Define Coriolis components of acceleration. When it occurs? 03
(b) With help of sketch explain Kennedy?s theorem. 04
(c) Explain Stress-Strain relationship for ductile materials. 07
OR
(c)
Explain Whitworth quick return mechanism with the help of neat sketch.
07
Q.3 (a) What information do you get by Velocity & Acceleration diagrams? 03
(b) What is D?Almbert?s principle? Explain it in detail. 04
(c) Briefly explain Klein?s construction. 07
OR
Q.3 (a) Define: (i) Poisson ratio (ii) Crushing stress (iii) Impact stress 03
(b) What is superposition principle theorem for static force analysis ? 04
(c) A solid circular shaft is subjected to a bending moment of 3000 N-m
and a torque of 10000 N-m. The shaft is made of 45 C 8 steel having
ultimate tensile stress of 700 MPa and a ultimate shear stress of 500
MPa. Factor of safety = 6, determine the diameter of the shaft.
07
Q.4 (a) Define: (i) Spindle (ii) Axle (iii) Shaft 03
(b) Enlist physical properties of material and explain any two in detail. 04
(c) Explain caulking and fullering with neat sketch. 07
OR
Q.4 (a) Define: (i) Factor of safety (ii) Volumetric strain (iii) Lateral strain 03
(b) What is principle of virtual work? Explain it in detail. 04
(c) Derive an expression for the inertia force due to reciprocating mass in
reciprocating engine, neglecting mass of the connecting rod.
07
Q.5 (a) What is the Strength and Efficiency of the riveted joint? 03
(b) Briefly explain Electric arc welding. 04
(c) Classify Butt joint & Lap joint with sketch. 07
OR

Q.5 (a) Define: (i) Margin (ii) Back pitch (iii) Diagonal pitch 03
(b) Write difference between Welded joints and Riveted joints. 04
(c) Classify Pressure vessels. Derive equation for Thin cylindrical shell
subjected to an internal pressure.
07

*************
FirstRanker.com - FirstRanker's Choice