Practice Test: Question Set - 13
1. For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L1 is equal to
- (A) 1.0 L
- (B) 0.7 L
- (C) 0.5 L
- (D) 0.35 L
2. A force is completely defined when we specify
- (A) Magnitude
- (B) Direction
- (C) Point of application
- (D) All of the above
3. In a three hinged arch, the third hinge is generally kept at
- (A) Crown of the
arch
- (B) Midpoint of
the crown and left support hinge
- (C) Midpoint of
the crown and right support hinge
- (D) None of
these
4. The stiffness factor for a prismatic beam of length L and moment of inertia I, is
- (A) IE/L
- (B) 2EI/L
- (C) 3EI/L
- (D) 4EI/L
5. Center of percussion is
- (A) The point of C.G.
- (B) The point of metacentre
- (C) The point of application of the resultant of all
the forces tending to cause a body to rotate about a certain axis
- (D) Point of suspension
6. The weakest section of a diamond riveting, is the section which passes through
- (A) First row
- (B) Second row
- (C) Central raw
- (D) One rivet
hole of end row
7. If a solid shaft is subjected to a torque ‘T’ at its end such that maximum shear stress does not exceed fs the diameter of the shaft will be
- (A) 16T/π fs
- (B) √(16T/π fs)
- (C) ∛(16T/π fs)
- (D) None of
these
8. Pick up wrong statement about friction force for dry surfaces. Friction force is
- (A) Proportional to normal load between the
surfaces
- (B) Dependent on the materials of contact
surface
- (C) Proportional to velocity of sliding
- (D) Independent of the area of contact surfaces
9. The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always
- (A) Linear
- (B) Parabolic
- (C) Cubical
- (D) Circular
10. The maximum load to which a fillet joint of length ‘L’ can be subjected to, is
- (A) 0.7 × S ×
fillet size × L
- (B) 2 × S ×
fillet size × L
- (C) Permissible
shear stress × fillet size × L
- (D) (S × fillet size × L)/3
11. Which of the following is not the unit of energy?
- (A) kg m
- (B) kcal
- (C) watt
- (D) watt hours
12. In a beam, the neutral plane
- (A) May be its
centre
- (B) Passes
through the C.G. of the area of cross-section
- (C) Does not
change during deformation
- (D) None of
these
13. The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a
- (A) Triangle
- (B) Rectangle
- (C) Parabola
- (D) Cubic
parabola
14. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
- (A) Forces
- (B) Independence of forces
- (C) Dependence of forces
- (D) Resolution of forces
15. The law which states, "Within elastic limits strain produced is proportional to the stress producing it", is known as
- (A) Bernoulli's
law
- (B) Stress law
- (C) Hooke's law
- (D) Poisson's
law
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