A roof has a U value = 0.65 W/m2 .C.
Extra insulation is to be provided. This insulation has a
thermal resistance =
1.5 m2"C/W.
Calculate the new improved U value.

How Can I know the wastages(%) of each work added in
estimating the quantity of construction materials?(Eg.
Ceiling Work, Brick Work,etc....)

114

What is difference between code and standard and specification?

165

1.Fe500 and Fe550 having more yield strength than Fe415.But
why are we prefering Fe415.?
2. d^2/162 formula for knowing the steel wt/m apply all
these three?
Thanks.

555

what is the list of building construction equipment & teir
output?

122

what is the effect of earthquake on rcc columns &
foundations?

1631

I want some common questions which have been asked in
interviews of NTPC Limited,Satluj Jal Vidyut Nigam
Ltd.,and Bharat Heavy Electricals Ltd.

334

If u want ur Ans.Of any Question so mail me
skatiyar011@yahoo.in

132

what is the water-cement ratio of mix design while 30mpa in 7
days?

326

What is the density of 1:1.5 (Cement:sand) ratio in plaster?
And Conversion in 12.5 mm thickness per square meter?
Howmany Kg of Cement square meter in ratio of 1:1.5?

570

32mm bar column lapping we use welding binding what is dimension of welding as per stander code?

9

how to calculate the quantity of steel in a slab , beam and
coloumn

1496

) Design a gussetted base for a column section consisting
of one sc 250 with two cover plates 300 x 25 mm carrying an
axial load of 2500 KN. The S.B.C. of soil is 250 KN/m2 and
the permissible bearing pressure on concrete is 4000 KN.

166

For sloping slabs or sloping beams why the tension steel from
either side of ridge is taken into compression zone of other
side?

180

what is the difference between volume and weight batching
and which is better?