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The shape of idealized stressstrain curve for concrete as prescribed by IS 4561978 is:
In limit state design, the limiting value of depth of neutral axis for M15 & fe 250 is
Deflection can be controlled by using the appropriate:
In the limit state design of concrete structures, the strain distribution is assumed to be:
For slabs spanning in two directions for calculating the span to effective depth ratio:
The clear distance between the lateral restraints for a simply supported or continuous beam toensure lateral stability should not exceed:
In doubly reinforced sections, total reinforcement percentage of steel should not exceed:
A simply supported beam is considered as a deep beam if the ratio of effective span to overall depth is less than:
The term ‘Characteristic load’ means that load which has a probability of not being exceeded,during the life of the structure is equal to:
For reinforced concrete members totally immersed in sea water, the additional cover thickness recommended by the code is:
If the soil sample is having porosity 50% and degree of saturation at 90% then its percentage air voids is:
The commonly used method for quick determination of water content at field embankments is:
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index (PI) is:
A soil has liquid limit 65%, plastic limit of 30% and shrinkage limit of 25%, and it has natural moisture content of 45%. The liquidity index of soil is.
Liquidity index = (water contentplastic limit)/(liquid limitplastic limit).
= (4530)/(6530)
= 15/35
= 0.43
A soil has percentage air voids of the order of 30%. It has a porosity of 0.4 The air content of that soil shall be: 
The ratio of plasticity index and flow index of soil is called:
A negative value of the group index of a soil is reported as:
A soil with a plasticity index equal to zero may be called as:
The meniscus and dispersing agent corrections, in the hydrometer analysis, respectively are
An inorganic clay of high compressibility is represented by the symbol
If void ratio is 0.67, water content = 0.188 and Sp. Gr. = 2.68, the degree of saturation of soil is
A sample of saturated clay has a porosity of 0.562, the void ratio of the clay is
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