Mechanics of Solids Mid - II, November - 2014

1.In a triangular section, the maximum shear stress occurs at
  • Apex of the triangle
  • mid of the height
  • 1/3 of the height
  • Base of the triangle
Answer: B
2.In case of a circular section
  • Tmax= 3/2 TAvg
  • Tmax= 1.5 TAvg
  • Tmax = 4/3 TAvg
  • none of above
Answer: C
3.When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
  • Tensile stress
  • compressive stress
  • shear stress
  • bending stress
Answer: C
4.The torque transmitted by a hallow shaft of outer diameter (D) and inner diameter (d) is
Answer: C
5.A cantilever of length (l) carring a U.D.L of w/unit run for a distance (a) from fixed end. The slope at the free end is
  • Wa3/8EI
  • Wa3/6EI
  • Wa3/16EI
  • Wa3/18EI
Answer: B
6.The deflection at supports of simply supported beam
  • Maximum
  • minimum
  • Zero
  • All the above
Answer: A
7.The longitudinal stress in thin cylinder is equal to
  • pd/4t
  • pd/2t
  • pd/8t
  • pt/2E
Answer: A
8.The volumetric strain in thin spherical shell is equal to
  • pd/4tE(1-(1/m))
  • pd/4tE(1-(1/m))
  • pd/4tE(1-(1/m))
  • pd/4tE(1-(1/m))
Answer: C
9.The method is mostly used to find the forces ina few members of truss is
  • Methods of joints
  • method of section
  • Tension coefficient method
  • none
Answer: B
10.The method mostly used to find forces in a few members of truss is
  • Method of joints
  • method of section
  • Tension coefficient method
  • none of the above
Answer: B
11.In case of a triangular section, the location of max shear stress will occurs at__
Answer: H/2
12.In case of I- section beam maximum shear stress occurs at __
Answer: middle of the web
13.An inverted T- section is subjected to a shear force (F). The maximum shear stress will occurs at _________
Answer: neutral axis of the section
14.A shaft turns at 150 RPM is transmitting a torque of 1500 Nm. Power transmitted by the shaft _____________
Answer: 23550 Nm
15.The torsion equation is__________.
Answer: t/r=T/J=G/L
16.Power transmitted equation in a shaft when torsion is applied __________.
Answer: 2TTNT/60
17.The rotation and deflection at fixed end of a cantilever beam is equal to ________.
Answer: ZERO
18.The maximum shear stress induced in thin cylinder is _______.
Answer: Pd/8t
19.The member subjected to tensile force is called __________.
Answer: tie
20.The structure whose members are pin jointed to form triangles is called ________
Answer: truss