Concrete Technology Sheet 12
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1) Question.
Soundness test of cement by LeChatelier's apparatus gives unsoundness due to
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2) Question.
Weight of an oven dry sand and air dry sand are 500 gm and 520 gm respectively. If the wieght of the same sand under saturated but surface dry condition of 525 gms, then the water absorption of sand is
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3) Question.
Increase in fineness modulus of aggregate indicates
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4) Question.
The ordinate of grading curve of an aggregate represents
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5) Question.
If W1, W2, W3 and W4 are weights of sand in oven dry, air dry, saturated but surface dry and moist conditions respectively, then the moisture content of sand is
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6) Question.
If the angularity number of an aggregate is increased, then the workability of the concrete using this aggregate will
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7) Question.
Increase in the fineness of cement results in
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8) Question.
The diameter of needle used in Vicat's apparatus for the determination of initial setting time is prescribed as
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9) Question.
In counterfort type retaining walls
i) the vertical slab is designed as a continuous slab
ii) the heel slab is designed as a continuous slab
iii) the vertical slab is designed as a cantilever
iv) the heel slab is designed as a cantilever
The correct answer is
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10) Question.
Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to
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11) Question.
For batching 1:2:4 concrete mix by volume, the ingredients required per bag of cement are -
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12) Question.
When the batching of material is done by weight -
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13) Question.
Weight batching is done by -
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14) Question.
The importance of batching is to obtain -
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15) Question.
The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called -
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16) Question.
If the effective plan area of a warehouse is 54 m², and the maximum height of pile permitted is 2.7m, then the number of cement bags to be stored is -
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17) Question.
The capacity of a ware-house depends upon the -
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18) Question.
In designing a ware-house, it is assumed that -
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19) Question.
To prevent the cement bags from any possible contact with moisture, the main point that should be kept in mind is that the -
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20) Question.
The term 'ware-house pack' means -
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