Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
BA SEMESTER-I EXAMINATION WINTER 2018
Subject Code:1015004 Date:03/01/2019
Subject Name:Structure-I
Time:10:30 AM TO 12:30 PM Total Marks: 50
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

State and explain law of Parallelogram of forces
05

List out various structural members in building and explain following with neat sketch: Foundation Beam Column slab
05
OR

Briefly explain any five important mechanical properties.
05
Q.2

Write a short note on importance of Structures in the field of Architecture.
06

Two tensile forces 20 KN and 30 KN acting at a point with angle 60 degree between them. Find magnitude and direction of the resultant by using law of triangle.
06
OR

Explain Types of beam and types of loads with neat sketches.
06
Q.3
Calculate centre of gravity of a T-section having flange of 20cm x 2cm and web of 30cm x 2cm.
08
OR
Q.3
Define following terms with suitable examples: moment couple radius of gyration centroid.
08
Q.4
Calculate moment of inertia about xx and yy about the centroidal axis of a T-section having flange and web each of size 60 x 20 mm.
10
OR
Q.4
Find moment of inertia about xx and yy about the centroidal axis of an unequal angle ISA 125 mm x 75 mm X 10 mm by keeping longer leg vertical.
10
Q.5
A simply supported beam AB of span 8 m is subjected to two point loads of 60 KN 90 KN acting at 2 m from each support. Find the reactions at the support.
10
OR
Q.5
A simply supported beam AB is having a span of 5 m carrying one point load of 20 KN acting at a distance of 2 meter from the left end A and UDL of 10 KN/m intensity over the entire span. Find the support reactions.
10