Solved Geology Question Paper
Geology Objective Test Paper
1. In short columns failure occurs by
(a) Pure buckling
(b) Combination of bending and direct compression
(c) Direct compression only
(d) None of the above
Answer. (c)
2. If the shear force is zero along a section, bending moment at that section will be
(a) Minimum
(b) Maximum
(c) Zero
(d) Either minimum or maximum
Answer. (d)
3. Point of contraflexure in a cantilever of spane l,
carrying a u.d.l. w/m occurs at
(a) Mid spane
(b) Free end
(c) Fixed end
(d) Does not exist
Answer. (d)
4. Maximum bending stress in a cantilever of rectangular cross-section occurs at
(a) Free end
(b) Mid span
(c) Fixed end
(d) None of the above
Answer. (c)
5. In a rectangular beam, the maximum shear stress occurs at
(a) Top fibre of the section
(b) Anywhere cross the depth
(c) Bottom of the section
(d) Only at neutral axis
Answer. (d)
6. Difference in ordinate of shear force diagram
between any two points is equal to the area under
(a) Shear curve between these points
(b) Bending moment diagram between these points
(c) Load diagram between these points
(d) None of the above
Answer. (c)
7. For a simply supported beam having a load at
the centre, the bending moment will be
(a) Minimum at support
(b) Minimum at the centre
(c) Maximum at the supports
(d) Minimum and maximum could be any where,along the length
Answer. (a)
8. The central deflection in a fixed beam i.e., supported firmly
at both ends and loaded in the centre compared to a freely
supported beam will be
(a) Same
(b) Double
(c) One-half
(d) One-fourth
Answer. (d)
9. If the compressive stress in a tower due to a load and its own
weight is to be constant at all sections, then its cross-section at
various sections should be of
(a) Uniform shape
(b) Tapering shape
(c) Parabolic shape
(d) Some other shape
Answer. (d)
10. In order to determine whether a column is long or short, one should know
(a) Length
(b) Cross-section
(c) M.I.
(d) Slenderness ratio
Answer. (d)
11. Proof stress
(a) Is the safest stress
(b) Cause a specified permanent deformation in a material, usually 0.01% or less
(c) Is used in connection with materials like mild steel
(d) Does not exist
Answer. (a)
12. During the tensile test of a glass rod the nature of stress-strain curve is
(a) Straight and droping
(b) Sudden break
(c) Straight line
(d) Parabolic
Answer. (b)
13. A continuous beam is one which is
(a) Infinitely long
(b) Supported at two places
(c) Supported at one point
(d) Supported at more than two supports
Answer. (d)
14. The extension of uniform bar by its own weight
as compared to a bar loaded by same weight at the free end will be
(a) Same
(b) Half
(c) One-fourth
(d) One-third
Answer. (b)
15. Ratio of length of column to the minimum radius of
gyration of the cross sectional area of the column is
known as
(a) Slenderness ratio
(b) Buckling factor
(c) Crippling factor
(d) Compressive factor
Answer. (a)
16. Strain rosettes are used to
(a) Produce strains for testing purpose
(b) Relieve strain in heavily loaded components
(c) Measure strain
(d) Analyse property of materials
Answer. (c)
17. Shear stress on mutually perpendicular planes are
(a) Zero
(b) Minimum
(c) Maximum
(d) Equal
Answer. (d)
18. As the slenderness ratio of a column increases, its compressive strength
(a) Increases
(b) Decreases
(c) Remains unchanged
(d) Unpredictable
Answer. (b)
19. For biaxial stress the maximum shear stress
occurs on plane inclined at following angle to
the principal normal plane
(a) 90°
(b) 45°
(c) 145°
(d) 135°
Answer. (b)
20. The extremities of any diameter on Mohr’s circle
represent
(a) Principal stresses
(b)
(c) Shear stresses on planes at 45°
(d)
Answer. (b)
21. Shear stress along the principal plane subjected
to maximum principal stress is
(a) Minimum
(b) Maximum
(c) Zero
(d) Negative
Answer. (c)
22. On the planes having maximum or minimum principal
stresses, the tangential stress will be
(a) Minimum
(b) Maximum
(c) Zero
(d) Infinity
Answer. (c)
23. A long column fails by
(a) Crushing
(b) Tension
(c) Shearing
(d) Buckling and crushing
Answer. (b)
24. Normal stress on the planes of minimum stress
in of plane stress problems will be
(a) Zero
(b) Maximum
(c) Half the difference of two mutually perpendicular stresses
(d) Principal stress
Answer. (a)
25. Stress at the boundary of the kern is
(a) Maximum
(b) Minimum
(c) Zero
(d) Any value
Answer. (c)
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