Free Online Geology MCQ Paper

Free Online Geology MCQ Paper
Geology Model Test Paper
1. If a beam of constant section is subjected throughout
its length to a uniform bending moment, it will bend to
(a) A circular arc
(b) A parabolic arc
(c) A catenary’s
(d) Elliptical shape
Answer. (a)

2. Principal plane is one which carries
(a) No shear stress
(b) Maximum shear stress
(c) No normal stress
(d) Maximum resultant of stresses
Answer. (a)

3. When a rectangular beam is loaded longitudinally, shear develops on T
(a) Every horizontal plane
(b) Top fiber
(c) Every vertical plane
(d) Bottom fiber
Answer. (a)

4. Shear force is
(a) Rate of change of loading
(b) Sum of bending moments
(c) Rate of change of bending moment
(d) None of the above
Answer. (c)

5. The steel bars in reinforced cement concrete
beam are located at
(a) Top
(b) Bottom
(c) Centre
(d) Neutral axis
Answer. (b)

6. Twisting couple in a shaft introduces in it
(a) Bending moment
(b) Deflection
(c) Shear strain
(d) Shear stress
Answer. (d)

7. Rankine - Gorden formula is applicable for determining
the buckling load for
(a) Long columns
(b) Intermediate columns
(c) Medium size columns
(d) Intermediate columns but with certain Amendments. it can be used for short as well
as long columns
Answer. (d)

8. If the rivets in adjacent rows are staggered and
the outermost row has only one rivet, the arrangement
of the rivet is called
(a) Chain riveting
(b) Zig zag riveting
(c) Diamond riveting
(d) Criss-cross riveting
Answer. (c)

9. The rate of change of bending moment at any
section is equal to the
(a) Sharing force at that section
(b) Rate of change of shearing force at that section
(c) Deflection at that section
(d) Rate of change deflection at that section
Answer. (a)

10. Number of independent elastic constant for an
isotropic, homogeneous and elastic material obeying
Hookes law is
(a) 1
(b) 2
(c) 5
(d) 6
Answer. (a)

11. A reinforced cement concrete beam is said to be
made of
(a) Homogeneous material
(b) Heterogeneous material
(c) Isotropic material
(d) All of the above
Answer. (b)

12. Torsion bars are in parallel
(a) If same torque acts on each
(b) If they have equal angles of twist and applied torque apportioned between them
(c) Are not possible
(d) If their ends are connected together
Answer. (b)

13. A load of 20,000 kg applied to a brass cylinder
40cm long and 10 cm in diameter caused the
length to increase 0.8 cm and the diameter to
decrease 0.005 cm. Poisson’s ratio of brass is
(a) 0.25
(b) 0.925
(c) 0.4
(d) 2.5
Answer. (a)

14. Two beams have same width but one beam has
double the depth of the other. The elastic strength
of double depth beam compared to other beam
will be
(a) Double
(b) Four times
(c) Eight times
(d) Same
Answer. (b)

15. The depth of breadth ratio for the strongest
rectangular beam that can be cur out of a cylindrical
wooden log is a
(a) 3 : 1
(b)
(c) 2 : 3
(d) 2 : 1
Answer. (b)


16. A composite bar of copper and steel is heated.
The ratio of tensile force in steel and the compressive
stress in copper will be
(a) 1.0
(b) 0.5
(c) 2.0
(d) 2.5
Answer. (a)

17. In a beam at a place where the shear force is
Maximum, the bending moment will be
(a) Maximum
(b) Minimum
(c) Zero
(d) Neither minimum nor maximum
Answer. (a)

18. In a laminated spring the struts are provided in
different lengths for
(a) Equal distribution of stress
(b) Better look
(c) Light in weight
(d) Ease in installing
Answer. (a)

19. A simply supported rectangular beam 200 mm
wide, 300 mm deep, 4m long carrying a u.d.l. of
10 kN/m experiences a maximum bending stress
of
(a) 66.67
(b) 0.667
(c) 6.67
(d) None of the above
Answer. (c)

20. A rigid beam of negligible weight is supported in
a horizontal position by two rods of steel and
aluminium, 2 m and 1 m long having values of
cross-sectional areas 1 and 2 and E of
2 X kg/ and I X kg/ respectively. What
is the guide line for placing a load P on
beam such that it remains horizontal ?.
(a) Forces on both rods should be equal
(b) Force on aluminum rod should be twice the force on steel
(c) Force on steel rod should be twice the force on aluminum
(d) Unpredictable
Answer. (b)

21. The stress induced in a body due to suddenly
applied load compared to when applied gradually is
(a) Same
(b) Half
(c) Two times
(d) Four times
Answer. (b)

22. If the rate of loading is zero, the shear force curve shall
(a) Vary linearly
(b) Vary parabolically
(c) Remain constant
(d) None of the above
Answer. (c)

23. If the section modulus of a beam decreases, then
bending stress will
(a) Decrease
(b) Increase
(c) Remain same
(d) There is no such correlation
Answer. (b)

24. A beam is fixed at one end and freely supported
at the other end. A load acts in the centre. The
maximum bending moment will occur
(a) Under the load
(b) At fixed end
(c) At supported end
(d) Between centre and fixed support
Answer. (b)

25. Units of strain are
(a) Dimensionless
(b) Cm/cm
(c) Kg/ /cm
(d) Kg//cm
Answer. (c)