Building Materials - Engineering
Q1: The minimum compressive strength of 1st class bricks should beA
75 kg/cm2
B
90 kg/cm2
C
100 kg/cm2
D
120 kg/cm2
E
130 kg/cm2.
ANS:C - 100 kg/cm2 Minimum compressive strength of 1st class brick is 105 kg/sq. Cm, 2nd class brick is 70 kg/sq. Cm and 3rd class brick is 35 kg/sq. Cm. |
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