adspace


What is the difference between M20 and M25 concrete?

Answer Posted / mathi.v

M20 compressive Stregth is 20N/mm2
M25 compressive Stregth is 25 N/mm2.., this r 21 days

Is This Answer Correct ?    3 Yes 17 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Anyone have sample questions for bhel interview.please send me as Iam appearing for the interview on 19th sep2008. Kindly send this to my e-mail: arun_prasath_n@yahoo.co.in

2104


PLS.......... ANY ONE CAN FORWARD ME PREVIOUS QUESTION PAPER hpcl civil engg

2420


sir I got selected in rail vikas nigam limited and they call for interview but i don't what they will ask in interview please guide me if you have any experience

2556


can any one give me sample question paper of BHEL at mdansari86@gmail.com as i m appearing for the same exam.

2235


how to decide the mortar ratio 1:4,1:6 in masonry? same in plaster 1:3 and 1:4? which code or any document reference taken to define proportion?

2224


what is the 0 value in quantity surveying

2477


material used for mendrel use to bend epoxy coated rebar

2245


cud any one send me tech quest paper(civil engg) at tarizus@yahoo.com

2264


In how many types u can do POP on ceiling and walls(on which material or by using which material)? b) what is the difference between dry , oil bound, enamel, acrlyic type of painting? 2nd :- I have certain queries, please help to solve. a) length of pile bore is 4m.excavation quantity will be area * length where area will be pi/4 * dia*dia. Is this right? b) It is a single reamed pile of 300m dia and reamed dia is 750mm. can any body help me to calculate excavated quantity of this bulb(reamed section),, concrete quantity in bulb with showing the formulas to be used?

2232


can u plz send me ntpc placement papers(civil engineering) at mohit_verma21@yahoo.com

2592


I HAVE APPLIED FOR 20TH UES ARMY. I WANTED TO KNOW WHEN WILL I RECEIVE CALL LETTER FOR THE SAME.

2510


Kindly post me previous year interview questions with answer for post of DY. Manager (civil engg.) for GAIL, NTPC, IOC, OIL and ONGC etc.

2428


minimum number of bars in a beam? minimum and maximum column size and beam size ? minimum and maximum aggregate size used in multistorey residential building for columns,beams,slabs?

5526


hii.plz send me hpcl placement papers for officers trainees for graduate engg plz my email id is ajm_knit@yahoo.com

2364


Sir, Iam Applied in rrb for the posts of Junior Engineer.I want to know about the or question previews to study well.Pl send it to shukla_varun1985@yahoo.com.

2241