BSNL JTO (CE) Paper 2009 with Solutions Explanations at doorsteptutor. Com Part 5

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  1. The effective length of fillet welded joint is . If the size of the weld is and permissible stress is , the safe load that the joint can transmit is

  2. The ratio of maximum shear stress to average shear stress in a solid circular cross section is

    1. 1.11

    2. 1.22

    3. 1.33

    4. 1.44

Section II

Question Number 1 – 20 Carry 1 Mark Each

  1. As per USCS classification, the diameter of silt size particle is less than

  2. Specific volume of soil is . Its porosity is

  3. In compaction test, MDD stands for maximum dry density and OMC for optimum moisture content. As compaction energy increases,

    1. Both MDD and OMC increases

    2. MDD decreases and OMC increases

    3. MDD increases and OMC decreases

    4. No change in MDD and OMC

  4. Let ‘ ’ represent shear strength, c cohesion, ’ effective normal stress and angle of internal friction, then according to Coulomb’s shear strength model

  5. The bearing capacity of soil supporting a footing of size 3 m x 3 rn will not be affected by the presence of water table located at a minimum depth below the base of footing by

  6. Parallax error in leveling is due to a condition where

    1. image formed by objective is in the plane of cross hair

    2. image formed by objective is not in the plane of cross hair

    3. image formed by eye piece is in the plane of cross hair

    4. image formed by eye piece is not in the plane of cross hair

  7. Sag correction is applicable while using

    1. dumpy level on a sloping ground

    2. plane table by two point problem

    3. tape for linear measurement

    4. theodolite for measuring height

  8. Which of the following tests is not conducted on bituminous material?

    1. Penetration test

    2. Viscosity test

  9. Vebe test

  10. Softening point test

  11. What is the value of radius of relative stiffness for a thick cement concrete slab resting on a subgrade? Given, Poisson’s ratio of concrete , modulus of elasticity of concrete and modulus of subgrade reaction equal to

  12. Fish plates are used

    1. in rail joints for maintaining the continuity of rails

    2. for joining cast iron sleepers with rails

    3. for joining restressed concrete sleepers with rails

    4. to divert train from one track to another

  13. To avoid tension on the bottom of a gravity dam of bottom width b, the eccentricity must be less than

  14. A channel with a mild slope is followed by a steep bottom slope. The profile of the gradually varied flow will be

    1. M1–S2

    2. M2–S2

    3. M1–S1

    4. M2–S1

  15. Identity the True statement from the following:

    1. A reciprocating pump will be called double acting reciprocating pump if it has two cylinders.

    2. A reciprocating pump will be called double acting reciprocating pump if it has two pistons.

    3. In case of double acting reciprocating pump, the liquid is in contact with one side of the piston.

    4. In case of double acting reciprocating pump, the liquid is in contact with both sides of the piston.