Building Construction Online Test – Multiple Choice Questions and Answers 1. The depth of an arch is the distance between intrados and extrados crown and springing line ground level and springing line crown and ground level 2. For different layers of cement concrete floor. Pick up the incorrect statement from the following : The lowest layer consists of consolidated ground A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand A 10 cm thick clean sand is laid on consolidated ground 3. Rotary drilling hinders the ground water observations and permeability test is not economical for holes of less than 10 cm is not suitable for deposits containing very coarse gravel All 4. The inclined surface of an abutment to receive the arch, is known as spandril skew back soffit haunch 5. The dimensions of a half queen closer, are 9 cm x 9 cm x 9 cm 9 cm x 9 cm x 4.5 cm 1.8 cm x 4.5 cm x 9 cm 9 cm x 4.5 cm x 9 cm 6. Arches in the form of masonry arcs struck from more than four centres, are called two curved arches gothic arches ogee arches drop gothic arches 7. The black cotton soil shrinks excessively when dry swells excessively when wet undergoes volumetric changes All 8. Raft foundation are generally preferred to when the area required for individual footing, is more than 25% to total area 30% to total area25% to total area 40% to total area 50% to total area 9. Cast iron piles are suitable for use as batter piles are useful for heavy vertical loads resist shocks or vibrations are suitable for works under sea water 10. Expansion joints in masonry walls are provided if length exceeds 10m 20m 30m 40m Loading … Question 1 of 10
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