Question

. water taken - 700gm Q. A sample of coal contain 92%C, ShH and 3% alh. When the coaliwa tested for its calorific value in the Lomb o Caloziometer . The following po & result were obtained cat. of the Coal burnt = 0.95 gm wt ang wita & equ.cey bomb Calorimeten = 2000gran Overeexine semk. = 2,48%. Acid Correction - 6oo cal 600 Canceling Carnection < 0.02°C C Fuse cheire correction - 10.ocal Calculate the G. cy and NCV of coal. Given latent heat of steam 587cal /gm​

Answer 1

Answer:

M s( triangle ) T

We know that: Q = ________________

t

So,

m1 S1 + m2 S2 m1 S1 + m3 S3

________________ = _____________

t1 t2

Where ,. S1 = S2 = 1 &. S3 = 0. 6

6 × 1 + 64 × 1 6 × 1 + 50 × 0.6

______________ = _____________

140 t2

t2 = 72 s