Question

Family consumes 12 kg of lpg and 30 days calculate the average energy consumed per day if the calorific value of lpg is 50 joule per kg

Answer 1

A family consumes 12kg LPG in 30 days .

then, the family consumes LPG in a day = 12/30 kg = 0.4 kg .

a/c to question,

The calorific value of LPG = 50J/kg

you should understand that, calorific value means the measurement of heat produced by specific amount of fuel or food . this is usually expression in joule per kg.

so, the average energy consumed per day = calorific value of LPG × amount of LPG consumed in a day

= 50 × 0.4 J = 20J

hence, 20J energy consumed per day.

Answer 2

Answer:

20,000 KJ/DAY

Explanation:

ENERGY RELEASED BY 12 KG OF L.P.G

THEREFORE, ENERGY CONSUMED PER DAY = 600

                                                                                    30  

                                                                                = 20

SO, 20,000 KJ/DAY

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