Geology Objective Sample Paper
Free Online Geology Test Paper
1. In eccentrically loaded members, a neutral axis
can be drawn by joining the points which represent
the greatest permissible eccentricity in each coordinate
direction. By symmerty, four neutral axes exist in the
section; these lines from the boundaries of a core known
as kern. Compressive forces acting within the kern of a
section
(a) Cannot produce tensile stress
(b) Will sometimes produce tensile stress
(c) Will always produce tensile stresses
(d) Are zero
Answer. (a)
2. A tower is to be designed to have same
compressive stress at all sections under a load
and its own weight, its cross section should be
(a) Uniform
(b) Taper
(c) Parabolic
(d) Hyperbolic
Answer. (c)
3. Mohr ’s circle is used to determine the stresses
on an oblique section of body subjected to
(a) Direct stresses in two mutually perpendicular directions
(b) A direct stress in one plane along with simple shear stress
(c) Direct stresses in two mutually perpendicular directions
accompanied by a simple shear stress.
(d) All of the above
Answer. (d)
4. The principal stress in the case of pure shear
will be equal in magnitude
(a) Similar in nature
(b) But opposite in nature
(c) To half the maximum shear stress similar in nature
(d) To half the maximum shear stress but opposite in nature
Answer. (a)
5. Minimum limiting load at which the column
tends to have lateral displacement is known as
(a) Critical load
(b) Crippling load
(c) Buckling load
(d) Any of the above
Answer. (a)
5. If a principal plane be subjected to maximum
principal stress, then shear stress on this plane
will be
(a) Zero
(b) Maximum
(c) Minimum
(d) Infinity
Answer. (a)
6. Ratio of maximum shear stress and average
stress in a circullar section is
(a) 1
(b) 1.25
(c) 1.5
(d) 4/3
Answer. (d)
7. A beam is said to be of uniform strength, if
(a) B.M. is same throughout the beam
(b) Shear stress is same throughout the beam
(c) Deflection is same throughout the beam
(d) Bending stress is same at very section along its longitudinal axis.
Answer. (d)
8. Point of contra flexure is a point where
(a) Shear force in zero
(b) Shear force changes sign
(c) Bending moment changes sign
(d) Bending moment is maximum
Answer. (c)
9. In a continuous curve of bending moment the
point of zero bending moment, where it changes
sign is called the
(a) Point of inflexion
(b) Point of contra-flexure
(c) Point of a virtual hinge
(d) All of the above
Answer. (d)
10. A column is defined as short column if
(a) Its length is less than 10 m
(b) The ratio of its effective length to the least
lateral dimension is less than 15
(c) The ratio of its effective length to least radius
of gyration is less than 50
(d) Both (a) and (c) above
Answer. (d)
11. If a part is constrained to move and heated, it
will develop
(a) Principal stress
(b) Tensile stress
(c) Compressive stress
(d) Shear stress
Answer. (c)
12. Most elastic material is
(a) Rubber
(b) Plastic
(c) Brass
(d) Steel
Answer. (d)
13. Compound beams are those in which
(a) Reaction components are more than three
(b) Reaction components are three
(c) Reaction components are more than three but
for each additional reaction components, one linge
is introduced.
(d) None of the above
Answer. (b)
14. In unit loads rest upon a beam at the two points
R and S, the deflection at T due to unit load at S equals
the deflection at S due to the load at R. The theorem is
given by
(a) Castilian
(b) Ranking
(c) Mohr
(d) Maxwell
Answer. (d)
15. A column has its equivalent length equal to its
length in case of
(a) Both ends fixed
(b) Both ends hinged
(c) One end fixed and other hinged
(d) None of these
Answer. (b)
16. For solid shaft subjected to a torque of 18000
Nm. having a permissible shear stress of 60 N/
the diameter of shaft is
(a) 115 mm
(b) 121 mm
(c) 149 mm
(d) 108 mm
Answer. (a)
17. A column with maximum equivalent length has
(a) Both ends fixed
(b) Both ends hinged
(c) One end fixed and other hinged
(d) One end fixed and other free
Answer. (d)
18. Pressure vessels are not made of rectangular
shape, because
(a) These are difficult to fabricate
(b) They are not economical
(c) They do not give pleasing appearance
(d) It has been practice to use cylindrical vessels
(e) None of the above
Answer. (b)
19. Stress developed in a longitudinal joint in a thin
shell of diameter D under the action of an internal
pressure p is
(a) Longitudinal stress
(b) Radial stress
(c) Circumferential stress
(d) None of the above
Answer. (c)
20. Circumferential stress in a thin shell is
(a) Maximum on inner surface
(b) Maximum in middle of thickness
(c) Maximum in outer surface
(d) Remains uniform throughout the thickness
Answer. (d)
21. Ratio of the equivalent length of column to the
minimum radius of gyration of the cross-sectional area
of the column is called
(a) Slenderness ratio
(b) Buckling factor
(c) Column factor
(d) Crippling factor
Answer. (b)
22. There are two bars of equal length and equal
volume and same material, one having stepped
diameters and other having uniform diameter.
If maximum stress produced in both bars is
same, then stored energy will be
(a) More in stepped diameter shaft
(b) More in uniform diameter shaft
(c) Equal in both
(d) Depend on other factors
Answer. (b)
23. When a beam is subjected to a transverse
shearing force, the shear stress in the upper
fibers will be
(a) Maximum
(b) Minimum
(c) Zero
(d) Depends on other data
Answer. (c)
24. In above bars, if gradually applied load is same,
then stored energy will be
(a) More in stepped diameter shaft
(b) More in uniform diameter shaft
(c) Equal in both
(d) Depend on other factors
Answer. (a)
25. Three beams of circular, square, rectangular
(depth - twice the width) sections and of same
length are subjected to some bending moment.
If the allowable stress is same then least weight
of same material will be required for
(a) Circular section
(b) Square section
(c) Rectangular section
(d) More data are required to determine same
Answer. (a)
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