Answer / abha baghel

M is use for mix. 20 is the charactristic compressive
strength of concrete of 15 cm. cubes at 28 days in N/mm^2

Answer / ashis malakar

M means mix and 20 means characteristics compressive
strength of concrete after 28 days perfect curing.(in N/mm2)

Answer / sneha rai

In the designation of concrete mix M mfm to the mix and the
number to the specified compressive strength of 150 mm size
cube at 28 days, expressed in N/mn?.

Answer / k s naveen

M denotes the mix & 20 denotes the charecterestic compressive strength of concrete at the end of 28 days curing is not less than 20N/mm^2

Answer / gautam kumar

What means of bending moment in concrete

for basic costing, how can we calculate how much amount of steel and cocrete will go in per sqft? and what are the thumbrules?

1 Answers   Symphony,

How much wastage we considered for cement

6 Answers   Jain Housing, L&T,

What is the cost difference between site mix and ready mix concrete per cubic meter

0 Answers   L&T,

lap length formula

7 Answers  

What is difference between code and standard and specification?

0 Answers  

what grade of concrete to be used for lintel when reinforced with bamboo in place of steel?????????

2 Answers  

What are the methods in tiles flooring ? What are the methods in brick work? What are the methods in plastering ? What are the methods in wall tiling?

0 Answers   CECL, HTC,

The company is following same question pattern and giving same questions in all year for all batches from the starting of company they didnt even able to frame new question,,so guys if u want to place in cccl just mail me i will send the questions....ramyakvb@gmail.com....if u mug all those answers u will be selected no proper selction procedure is considered so it is better to place in some other company...All The best dont attend cccl

1 Answers  

Why are pull-out tests performed for soil nails?

0 Answers  

ground floor columns and beams are reinforced by 4 Num's 16MM @ Corners AND 2 Num's 10MM @ centre.... And the nxt top floor columns and beams were lapped by 8 num's 12MM dia bars..... IS THIS CORRECT ????

2 Answers  

5. Do you feel that your present employer estimates your full work potential? Are they pleased with your work performance?

0 Answers  

How to design staircase.plz tell me formula for the design the staircase.

0 Answers   DMB Construction,