Interview Questions Answers in Civil Engineering

Question { ACS, 9950 }

what is density of flyash?

Answer

density of 1.90-2.55

For any civil engineering related question mail me i tell u
skatiyar011@yahoo.in

Is This Answer Correct ?

3 Yes

2 No

Question { ACS, 9950 }

what is density of flyash?

Answer

Sorry my first answer is wrong B'coz specific gravity of fly
ash is 1.90-2.55

Is This Answer Correct ?

3 Yes

0 No

Question { ATS, 154823 }

how many cubic ft. for 50 kg ( 1 bag ) cement?

Answer

1M3 = 28.8Bags
so 1Bag= 1/28.8=.0347M3
then .0347*35.28=1.225CFT

Is This Answer Correct ?

318 Yes

47 No

Question { L&T, 104693 }

What is a BBS?Find out the cutting length for a 300*300 column with 40 mm cover?

Answer

for ring
first of all which dia u used
Suppose ur dia is 8mm
4*260+20*d-10*d (10*d =2d*no.of bends|5|)
(each bend deduct 2d)
So cutting lenth is =1120mm

Is This Answer Correct ?

23 Yes

54 No

Question { 15211 }

how much lenth of a bar increase when it bends at 90 degree.

Answer

each 90' bend increase
2*dia of bar

Is This Answer Correct ?

38 Yes

10 No

Question { 9478 }

kindly tell me name of a book to calculate bbs?

Answer

http://www.4shared.com/file/g2JEc7vG/BBS.html
download from this link may be helpful for u

Is This Answer Correct ?

2 Yes

3 No

Question { 8566 }

What is ideal location for cube casting, RMC vehical at
Ground Floor and Slab casting at 40th Floor

Answer

If Gap between TM chute and Ground floor more than 1.5
Mtr.so you not permitted cube casting on ground floor.
then the option is cube casting on 40th floor

Is This Answer Correct ?

3 Yes

2 No

Question { 5612 }

Normally in slabs, steel quantity is not added when you
calculating concrete quantity for that slab, why it is not
added ?

Answer

During concreting some concrete is wastage so steel quantity
is not calculated generally and no-one IS code says that
steel quantity calculated in concrete

Is This Answer Correct ?

13 Yes

3 No

Question { 6379 }

If concrete fails in cube strength as well as non
distactive test? what to do? for example grade of concrete
is M35, cube strength is 26.1 n/mm2 after 28 days and non
districtive test strength is 28.1 n/mm2 after 28 days. i am
not distroying the rcc memeber.

Answer

we can retrofitting for that structure if possibility

Is This Answer Correct ?

3 Yes

0 No

Question { L&T, 31067 }

How to calculate the length of chairs provided to support the
top rebar in concrete foundation

Answer

Practicaly, it should be min.500mm or atleast 3 no. of
rebar should be rest upon the same whichever is higher to
be considerd.

Is This Answer Correct ?

5 Yes

14 No

sumit