Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem New 2160308 Biomechanics Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2160308 Date:30/11/2018
Subject Name:Biomechanics
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) State Newton?s Laws of Motion. 03
(b) For F1 = 40N and F2 = 30N, where angle with X-axis are ?1 = 0? and
?2 = 90? respectively. Find Resultant force F.
04
(c) Explain different types of force systems. 07
Q.2 (a) Explain Free Body Diagram. 03
(b) Derive Hagen-poiseuille equation for pressure difference ?P. 04
(c) Explain Spirometry in detail. 07
OR
(c) Explain mechanism of air flow and respiratory cycle. 07
Q.3 (a) Define following terms:
(1) Flexion, (2) Abduction, (3) Anterior
03
(b) List different types of skeletal joints. 04
(c) For a person doing weight lifting using dumbbell, consider weight of
forearm 20N and CG at 15cm from elbow joint, weight of dumbbell
is 100N and is held in palm at 45cm. (1) Find moment at elbow for
straight hand (vertical) and 90? flexion. (2) At 90? flexion what will
be the force applied by biceps on forearm? Assume muscles are joined
at 2cm from elbow joint and perpendicular to forearm.
07
OR
Q.3 (a) Explain composition of bone. 03
(b) Explain Hinge joint in detail. 04
(c) For a person wearing weight boot in a seating position and doing
lower leg flexion/extension exercise: consider weight of lower leg is
50N and weight of boot is 100N. From knee joint CG at 20cm and
weight boot at 50 CM.
Find moment at knee joint when lower leg is
(1) extended horizontally, (2) at 30? and (3) at 90?.
07
Q.4 (a) Explain Laminar Flow. 03
(b) Compare biological and mechanical Heart valves. 04
(c) Draw structure and briefly describe characteristics and mechanical
property of tendons and ligament.
07
OR
Q.4 (a) Explain Turbulent Flow. 03
(b) What are soft and hard tissues? List types of both. 04
(c) Draw neat diagram of and explain following:
(1) Cage and Ball valve and (2) Bi-leaflet valve.
07
F 1
F 2
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2160308 Date:30/11/2018
Subject Name:Biomechanics
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) State Newton?s Laws of Motion. 03
(b) For F1 = 40N and F2 = 30N, where angle with X-axis are ?1 = 0? and
?2 = 90? respectively. Find Resultant force F.
04
(c) Explain different types of force systems. 07
Q.2 (a) Explain Free Body Diagram. 03
(b) Derive Hagen-poiseuille equation for pressure difference ?P. 04
(c) Explain Spirometry in detail. 07
OR
(c) Explain mechanism of air flow and respiratory cycle. 07
Q.3 (a) Define following terms:
(1) Flexion, (2) Abduction, (3) Anterior
03
(b) List different types of skeletal joints. 04
(c) For a person doing weight lifting using dumbbell, consider weight of
forearm 20N and CG at 15cm from elbow joint, weight of dumbbell
is 100N and is held in palm at 45cm. (1) Find moment at elbow for
straight hand (vertical) and 90? flexion. (2) At 90? flexion what will
be the force applied by biceps on forearm? Assume muscles are joined
at 2cm from elbow joint and perpendicular to forearm.
07
OR
Q.3 (a) Explain composition of bone. 03
(b) Explain Hinge joint in detail. 04
(c) For a person wearing weight boot in a seating position and doing
lower leg flexion/extension exercise: consider weight of lower leg is
50N and weight of boot is 100N. From knee joint CG at 20cm and
weight boot at 50 CM.
Find moment at knee joint when lower leg is
(1) extended horizontally, (2) at 30? and (3) at 90?.
07
Q.4 (a) Explain Laminar Flow. 03
(b) Compare biological and mechanical Heart valves. 04
(c) Draw structure and briefly describe characteristics and mechanical
property of tendons and ligament.
07
OR
Q.4 (a) Explain Turbulent Flow. 03
(b) What are soft and hard tissues? List types of both. 04
(c) Draw neat diagram of and explain following:
(1) Cage and Ball valve and (2) Bi-leaflet valve.
07
F 1
F 2
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2
Q.5 (a) Explain role of biomechanics in design of orthopedic implant. 03
(b) Explain fixation of implants. 04
(c) Explain human gait cycle in detail. 07
OR
Q.5 (a) Define Biocompatibility and explain its importance. 03
(b) Explain artificial Hip joint and discuss its specifications. 04
(c) Explain characteristics of different metals as biomaterial. 07
*************
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This post was last modified on 20 February 2020