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Civil Engineering :: Building Construction

  1. The strength of brick masonry in 1:6 cement mortar, is

  2. A.

    20 tonnes/m2

    B.
    40 tonnes/m2
    C.

    50 tonnes/m2

    D.

    60 tonnes/m2

    E.

    75 tonnes/m2.


  3. The dimensions of a half queen closer, are

  4. A.

    9 cm x 9 cm x 9 cm

    B.

    9 cm x 9 cm x 4.5 cm

    C.

    9 cm x 4.5 cm x 9 cm

    D.
    1.8 cm x 4.5 cm x 9 cm.

  5. In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to

  6. A.

    15 mm

    B.

    25 mm

    C.
    35 mm
    D.

    45 mm

    E.
    55 mm.

  7. For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

  8. A.

    h/4

    B.

    1/2 h

    C.
    h
    D.

    h.


  9. For different layers of cement concrete floor. Pick up the incorrect statement from the following :

  10. A.

    The lowest layer consists of consolidated ground

    B.

    A 10 cm thick clean sand is laid on consolidated ground

    C.

    A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand

    D.

    A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.


  11. Rotary drilling

  12. A.

    is not suitable for deposits containing very coarse gravel

    B.

    hinders the ground water observations and permeability test

    C.

    is not economical for holes of less than 10 cm.

    D.
    all the above.

  13. In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used

  14. A.

    vibro pile

    B.

    pressure pile

    C.

    Franki pile

    D.

    pedestal pile.


  15. In grillage foundations a minimum 15 cm cover is provided on

  16. A.

    upper flange of top tier

    B.

    lower beam of lower tier

    C.

    ends of external beams

    D.

    none to these.


  17. The skirting/dado in a bath roof should be upto

  18. A.

    ceiling

    B.

    15 cm above floor level

    C.

    200 cm

    D.
    level of the tap.

  19. The maximum bearing capacity of soil is that of

  20. A.

    black cotton soil

    B.

    loose fine sandy soil

    C.

    dry coarse sandy soil

    D.

    hard rocks

    E.

    soft clay soil.