Civil Engineering Questions And Answers :: Building Materials And Construction: part2



Civil Engineering : Building Materials And Construction QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

6.The disease of dry rot in timber is caused by

lack of ventilation
alternate wet and dry conditions
complete submergence in water
none of the above

7.The plywood

has good strength along the panel only
can be spilt in the plane of the panel
has greater impact resistance to blows than ordinary wood
cannot be bent more easily than ordinary wood of same thickness

8.A first class brick when immersed in cold water for 24 hours should not absorb water more than

15%
20%
22%
25%

9.The practical limit of moisture content achieved in air drying of timber is

5%
15%
25%
35%

10.Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is

0�
30�
45�
90�

More Building Materials And Construction QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha