Concrete Technology And Design Set 10

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This set of Concrete Technology and Design Multiple Choice Questions & Answers (MCQs) focuses on Concrete Technology And Design Set 10

Q1 | Modulus of elasticity of steel as per IS: 4561978 shall be taken as
Q2 | The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is
Q3 | The cement becomes useless if its absorbed moisture content exceeds
Q4 | In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
Q5 | For preparing a test-specimen, it is necessary
Q6 | For a good concrete
Q7 | The process of hardening the concrete by keeping its surface moist is known
Q8 | For the construction of the retaining structures, the type of concrete mix to be used, is
Q9 | The produce impermeable concrete
Q10 | Pozzolanic properties exist in
Q11 | A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth(1/D) is less than
Q12 | Pick up the correct statement from the following:
Q13 | If fineness modulus of sand is 2.5, it is graded as
Q14 | Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
Q15 | The increased cohesiveness of concrete, makes it
Q16 | Concrete is unsuitable for compaction by a vibrator if it is
Q17 | In order to obtain the best workability of concrete, the preferred shape of aggregate is
Q18 | Hydration of cement is due to chemical action of water with
Q19 | An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to beflaky if its least dimension is less than
Q20 | Approximate value of shrinkage strain in concrete, is
Q21 | For quality control of Portland cement, the test essentially done is
Q22 | Strength of concrete with passage of time
Q23 | Which of the following statements is incorrect?
Q24 | To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at atemperature between
Q25 | In a pile of length , the points of suspension from ends for lifting it are located at