Question

Study the following
and answer the questions that follow.
A gas cylinder can discharge gas at the rate of I cc/minute
from burner A and at the rate of 2 cc/minute from burner
B (maximum rates of discharge). The capacity of the gas
cylinder is 1000 cc of gas.
The amount of heat generated is equal to 1 kcal per cc
of gas.
However, there is wastage of the heat as per follows:
Gas dischargea
0-0.5 cc/minute - 10%
0.5-1 cc/minute - 20%
1-1.5 cc/minute -25%
1.5 + cc/minute -30%
@(Include higher extremes)

1. The amount of heat utilised for cooking if a full gas
cylinder is burnt by opening the aperture of burner
A 100% and that of burner B 50% is
(a) 900 kcal
(b) 800 kcal
(c) 750 kcal
(d) Cannot be determined

2. For Question 1, if burner A had been opened only
25% and burner B had been opened 50%, the amount
of heat available for cooking would be
(a) 820 kcal
(b) 800 kcal
(c) 750 kcal
(d) Cannot be determined​

Answer 1

Answer:

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