8/3/2019 Compre_Complete Q-Paper & Solution
1/7
ID. No.: Name: Marks Obtained:
BIRLA INSTITUTE OF TECHNOLOGY AND SCIENCE PILANI, HYDERABAD
CAMPUS
Part-A COMPREHENSIVE EXAM. SEM I, 2011-12 ES C221 MECHANICS OF
SOLIDS
2:00 PM 2:50 PM, 02/12/2011 (Friday) Max. Marks = 30
----------------------------------------------------------------------------------------------------------------------------------------------
Note: There are total 10 questions printed on one side of the
paper. All are multiple choice questions. Select the most
appropriate answer and mention its letter against the space
provided in the box. Each question carries THREEmarks. Overwriting
will be treated as invalid. No negative marks.
----------------------------------------------------------------------------------------------------------------------------------------------
Q. No. 1 2 3 4 5 6 7 8 9 10
Ans. A B B D A A D C D C
(1) Two bars of different materials are of the same size
and are subjected to same tensile forces. If the bars
have their elongations in the ratio of 4:7, then the ratio
of moduli of elasticity of the two materials is
A) 7:4 B) 4:7 C) 49:16 D) 16:49
(2) A point in a strained body is subjected to a tensile
stress of 1000 kg/cm2 on one of the plane and the
tensile stress of 500 kg/cm2 on a plane at right angle to
it. If these planes are carrying shear stresses of 500
kg/cm2, then the principal stresses are inclined to the
larger normal stress at an angle
A) tan-1 (2) B) tan-1(2)
C) tan-1(2/3) D) tan-1(1/3)
(3) If a cantilever beam carries a uniformly distributed
load over its entire length, then shapes of shear force
diagram and bending moment diagram respectively are
A) Quadratic parabola and cubic parabola
B) Triangle and quadratic parabola
C) Rectangle and triangle
D) Quadratic parabola and triangle
(4) A beam of rectangular crosssection is 100mm
wide and 200mm deep. If the section is subjected to a
shear force of 20kN, then the maximum shear stress in
the section isA) 1N/mm2 B) 1.125N/mm2
C) 1.33N/mm2
D) 1.5N/mm2
(5) Force in the memberAD of the
pin jointed frame shown in figure
below is
A) Zero B)P/2
C)P D)P2
(6) The ratio of strain energy stored by a hollow shaft
of external diameter D and internal diameter d and
strain energy stored by a solid shaft of diameterD is
A)D4/(D
4 d
4) B) (D
2- d
2)/D
2
C) (D4 d4)/D4 D)D2/(D2 - d2 )
(7) A simply supported beam of spanL carries over its
full span a load varying linearly from zero at either
ends to w/unit length at midspan. The maximum
bending moment occurs at
A) quarter points and is equal to wL2/8
B) quarter points and is equal to wL2/12
C) midspan and is equal to wL2/8
D) midspan and is equal to wL2/12
(8) A cantilever beam carries a uniformly distributed
load from fixed end to the centre of the beam in the
first case and a uniformly distributed load of same
intensity from centre of the beam to the free end in the
second case. The ratio of deflection at free end in the
two cases is
A) 1/2 B) 3/11
C) 7/41 D) 15/24
(9) A simply supported beam with rectangular cross-
section is subjected to a central concentrated load. If
the width and depth of the beam is doubled, then thedeflection
at the center of the beam will be reduced to
A) 50% B) 25%
C) 12.5% D) 6.25%
(10) For a plane stress state as (60, 40, 0 MPa), the
maximum yield strength according to Von-Mises
criteria is
(A) 60.0 MPa (B) 74.8 MPa
(C) 52.9 MPa (D) 26.4 MPa
![Time : 3 Hrs.] MSBTE Specimen Question Paper Solution ...vidyalankar.org/upload/3_MC_soln.pdf · MSBTE Specimen Question Paper Solution 9 Q.3(b) Illustrate signal flow sequence for](https://img.pdfslide.net/doc/110x75/5e5bcd823d2f9e4b7579a540/time-3-hrs-msbte-specimen-question-paper-solution-msbte-specimen-question.jpg)
