40801. Transport of concrete by pumps, is done for a distance of
40802. Slump test is done for
40803. The high strength of rapid hardening cement at early stage, is due to its
40804. 24-6x3-18/6
40805. Concrete mainly consists of
40806. Vicat's apparatus is used for
40807. M 150 grade of concrete approximates
40808. Workability of concrete is measured by
40809. The rock which is not calcareous, is :
40810. Internal friction between the ingredients of concrete, is decreased by using
40811. For road pavements, the cement generally used, is
40812. Construction joints are generally provided in concrete
40813. Separation of coarse aggregates from mortar during transportation, is known
40814. According to the recommendations of IS : 456-1978, the expansion joints
40815. Grading of sand causes great variation in
40816. Shrinkage in concrete can be reduced by using
40817. Ordinary concrete is not used for concrete grade
40818. 1.S. Sieve Nos. 10 mm and 4.75 mm are geneally used for grading of
40819. 3 1/2+4 1/3-5 1/5
40820. Addition of pozzolana to ordinary port land cement, causes
40821. Too wet concrete may cause
40822. Addition of pozzolana to cement causes
40823. Hardening of cement occurs at
40824. 56% of 9+44% of 4=x% of 34,then value of x is
40825. Batching error means inaccuracy in the quantity of
40826. Pick up the correct statement from the following i.
40827. You are asked to construct a massive dam, the type of cement you will use, is
40828. The produce impermeable concrete
40829. Water required per bag of cement, is
40830. A loss of 20% was suffered by selling a watch for Rs.If it was sold for Rs.805 what was the profit percent?
40831. ISI has specified full strength of concrete after
40832. For construction of structures in sea water, the cement generally preferred to, is
40833. Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is
40834. For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are:
40835. The process of hardening the concrete by keeping its surface moist is known
40836. The grade of concrete not recommended by I.S. : 456, is
40837. C.R.R.I. charts are used to obtain a relatioship between strength of concrete and
40838. Proper batching ensures
40839. Workability of concrete for a given water content is good if the aggregates, are
40840. (01)2 is equal to
40841. For compacting plain concrete road surface of thickness less than 20 cm, we use
40842. Perimeter of a rectangle is 90 cm.One side is 20 cm.What is its area in square cm?
40843. If ‘CHAIR’is coded as 381918 how will you code ‘TABLE’?
40844. Specified compressive strengh of concrete is obtained from cube tests at the end of
40845. An aggregate is said to be flaky, if its least dimension is less than
40846. If+ means division,division means -,- means x and x means +,then 38 x6+4/6-2 is
40847. The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is
40848. The final operation of finishing floors, is known as
40849. The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are
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