BSNL JTO (CE) Paper 2009 with Solutions Explanations at doorsteptutor. Com Part 1

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Section – I

Question Number 1 -20 Carry 1 Mark Each

  1. A brick laid with its length across the wall is known as a

    1. stretcher

    2. header

    3. closer

    4. bat

  2. Which of the following is not a mobile crane type? BSNL

    1. Bottom slewing tower crane

    2. Telescopic-boom truck mounted crane

    3. Crawler crane

    4. Lattice-boom truck mounted crane

  3. A principal plane is a plane of

    1. minimum tensile stress

    2. maximum tensile stress

    3. maximum shear stress

    4. zero shear stress

  4. (i) Rapid hardening Portland cement is used in mass concrete construction for lowering the heat of hydration.

  5. Rapid hardening Portland cement is blended cement.

Which of the following option is correct?

  1. (i) is false and (ii) is true

  2. (i) is true and (ii) is false

  3. Both (i) and (ii) are false

  4. Both (i) and (ii) are true

  5. Which of the following statement is true?

    1. The nominal dimension of a brick is greater than its specified dimension by thickness of the mortar joint.

    2. The nominal dimension of a brick is less than its specified dimension by thickness of the mortar joint.

    3. The nominal dimension of a brick is equal to its specified dimension.

  6. The nominal dimension of a brick is less than its specified dimension by twice the thickness of the mortar joint.

  7. Which of the following equipment is used primarily to excavate below the natural ground surface on which it rests?

    1. Dozer

    2. Scrapper

    3. Hoe

    4. Jaw crusher

  8. The phenomenon in which, some of the water in the mix tends to rise to the surface of freshly placed concrete is known as 1

    1. flash set

    2. bleeding

    3. setting

    4. hydration

  9. In a network diagram, the early start time of an activity is

    1. the minimum of the late finish times of all its immediate predecessors

    2. the minimum of the early finish times of all its immediate predecessors

    3. the maximum of the late finish times of all its immediate predecessors

    4. the maximum of the early finish times of all its immediate predecessors

  10. Which of the following compound is most widely used as accelerating admixture in concrete?

    1. Sugar

    2. Calcium chloride

    3. Soluble zinc salts

    4. Synthetic detergents

  11. Which method of compaction is appropriate for sand?

    1. Impact

    2. Pressure

    3. Vibration

    4. Kneading

  12. Partial safety factor for concrete and steel in limit state method of design of RC structures are assumed as

    1. and respectively

    2. and respectively

    3. and respectively

    4. and respectively

  13. Which of the following is not a soft wood?

    1. Oak

    2. Fir

    3. Pine

    4. Spruce

  14. In a network diagram, the total float of an activity is equal to

    1. (Late finish time) — (Late start time)

    2. (Late finish time) — (Early finish time)

    3. (Early finish time) — (Early start time)

    4. (Late start time) — (Early finish time)

  15. As per , the maximum spacing of steel bars in a reinforced concrete solid slab is

    1. times effective depth or 300mm whichever is less

    2. times the effective depth

  16. Which of the following is fly ash based blended cement?

    1. Portland slag cement

    2. Low-heat Portland cement

    3. Portland pozzolana cement

    4. Ordinary Portland cement