Concrete Technology Sheet 6
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1) Question.
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
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2) Question.
The expression for modular ratio m = 280/3€cbc, where €cbc is the permissible compressive stress due to bending in concrete in N/mm^2
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3) Question.
The modular ratio m in terms of permissible compressive stress due to bending in concrete €cbc (in N/mm^2) is given by
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4) Question.
The average permissible stress in bond for plain bars in tension is
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5) Question.
A higher modular ratio shows
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6) Question.
Ratio of permissible stress in direct compression and bending compression is
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7) Question.
The slab is designed as one way if the ratio of long span to short span is
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8) Question.
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
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9) Question.
If the storey height is equal to length of RCC wall , the percentage increase in strength is
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10) Question.
Minimum thickness of load bearing RCC wall should be
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11) Question.
Critical section for shear in case of flat slabs is at a distance of
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12) Question.
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (I/D) is less than
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13) Question.
Maximum distance between exapnsion joints in structures as per IS: 456-1978 is
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14) Question.
Minimum pitch of transverse reinforcement in a column is
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15) Question.
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than
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16) Question.
According to IS: 456-1978, the maximum reinforcement in a column is
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17) Question.
The ratio of the diameter of the reinforcing bars ans the slab thickness is
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18) Question.
For a longitudinal reinforcing bar in a column, the minimum cover shall never be less than the diameter of bar nor more than
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19) Question.
The minimum cover in a slab should neither be less than the diameter of bar nor less than
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20) Question.
Lap length in compression shall not be less than
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