Commercial Engineer Interview Questions and Answers

Minimum cement content for different grades as per IS 456.

• Minimum cement content for M10 to M45 grade concrete is 220 kg/m3

• For M50 and M55 grade concrete, minimum cement content is 240 kg/m3

• For M60 and M65 grade concrete, minimum cement content is 260 kg/m3

• For M70 and M75 grade concrete, minimum cement content is 280 kg/m3

IS 1200 specifies the mode of measurement for construction works.

• IS 1200 is a standard code used in India for measurement of construction works.

• It specifies the mode of measurement for various items of work like excavation, concrete, brickwork, etc.

• The mode of measurement can be either by volume, weight, area, length, or number.

• For example, the mode of measurement for excavation is by volume in cubic meters.

• Similarly, the mode of measurement for brickwork is by area in square...read more