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CONCRETE TECHNOLOGY MOST IMPORTANT QUESTIONS FOR RPSC AE, SSC JE, MP VYAPAM, BPSC
Q1 Strength of concrete is directly proportional to
2 points
Q2 The durability of concrete is directly proportional to
2 points
Q3 The slump test of concrete is to used measured its
2 points
Q4 For most of the applications,water to cement ratio should be between
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Q5 The minimum cement content in moderately exposed reinforced concrete with normal weight aggregate of 20mm nominal maximum size
2 points
Q6 For light weight reinforced section in slabs,beams,column etc the slump should be
2 points
Q7 Aluminium powder in concrete is used as
2 points
Q8 The height of mould used for slump test is
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Q9 In case of a framed rcc construction ,the form work is removed first are
2 points
Q10 Grading of aggregate in concrete mix is necessary to achieve
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Q11 The pH value of water for quality concrete shall not be less than
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Q12 The normal consistency of ordinary portland cement is about
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Q13 The ratio of 28 days strength of cube to that of a standard cylinder is
2 points
Q14 In a concrete mix of proportion 1:3:6 the actual quantity of sand which is judged to have under go 15% of bulking ,per unit volume of cement will be
2 points
Q15 What is the target mean strength (N/mm2) of M30 grade of concrete ,if standard deviation is 5
2 points
Q16 In sump test , each layer o concrete is compacted by a tempering rod with
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Q17 Flexural strength of concrete is determined as
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Q18 Transport of concrete by pump is done for a distance of
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Q19 After casting, an ordinary cement concrete on drying
2 points
Q20 The concrete mix design is conducted as per
2 points
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