# Concrete Technology And Design Set 9

This set of Concrete Technology and Design Multiple Choice Questions & Answers (MCQs) focuses on Concrete Technology And Design Set 9

Q1 | Shrinkage in concrete can be reduced by using
Q2 | The shuttering of a hall measuring 4 m × 5 m, can be removed after
Q3 | The approximate value of the ratio between direct tensile strength and flexural strength is
Q4 | An aggregate is said to be flaky if its least dimension is less than
Q5 | Workability improved by adding
Q6 | Workability of concrete is inversely proportional to
Q7 | Inert material of a cement concrete mix, is
Q8 | If a beam fails in bond, then its bond strength can be increased most economically by
Q9 | Pick up the incorrect statement from the following:
Q10 | Ordinary Portland cement is manufactured from
Q11 | The percentage of reinforcement in case of slabs, when high strength deformed bars are used isnot less than
Q12 | Addition of pozzolana to cement
Q13 | If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose watercement ratio is 0.6, the weight of water required for harsh mix, is
Q14 | The minimum cover to the ties or spirals should not be less than
Q15 | According to Water-Cement Ratio Law, the strength of workable plastic concrete
Q16 | Sands of zone I are:
Q17 | According to Whitney's theory, ultimate strain of concrete is assumed to be
Q18 | The condition not applicable to water cement ratio law, is
Q19 | If the slump of a concrete mix is 60 mm, its workability is
Q20 | Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned workrespectively should not be less than
Q21 | The void ratio of
Q22 | According to IS : 382-1963, a good aggregate should be
Q23 | The compressive strength of 100 mm cube as compared to 150 mm cube is always
Q24 | The diameter of the Vicat plunger is 10 mm and its length varies from
Q25 | Gypsum is added for