Foxoyo

Practice

Select topics and difficulty and just practice mcqs.




Start

Let's practice 30 mcqs on



Concrete Technology



mcqs by everyone

Workability of concrete for a given water content is good if the aggregates, are


Too wet concrete may cause


If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is


Ordinary Portland cement is manufactured from


A concrete having a slump of 6.5 cm, is said to be


You are asked to construct a massive dam, the type of cement you will use, is


If fineness modulus of sand is 2.5, it is graded as


The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is


ISI has specified full strength of concrete after


The following proportion of the ingredients of concrete mix, is not in conformation to arbitrary method of proportioning


The minimum percentage of chemical ingredient of cement is that of


Slump test is done for


For the construction of cement concrete floor, the maximum permissible size of aggregate, is


Pick up the incorrect statement applicable to the field test of good cement


The compaction of concrete, improves


For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is


Transport of concrete by pumps, is done for a distance of


The lower water cement ratio in concrete, introduces


For quality control of Portland cement, the test essentially done is


According to the recommendations of IS : 456-1978, the expansion joints


Separation of coarse aggregates from mortar during transportation, is known


For the construction of thin R.C.C. structures, the type of cement to be avoided, is


The most useless aggregate is one whose surface texture is


After casting, an ordinary cement concrete on drying


The light weight aggregates are obtained from


The top diameter, bottom diameter and the height of a slump mould are


For an ordinary Portland cement


The bulk density of aggregates, depends upon


For preparing a test-specimen, it is necessary


C.R.R.
I. charts are used to obtain a relatioship between strength of concrete and