Question

A 250 g pork chop has approximately 4400 J of chemical energy. To produce the pork chop, the pig had to eat feed containing about 44 000 J of chemical energy. How efficient is the pig at converting the chemical energy in the feed to chemical energy in its body?

A.4%
B.10%
C.40%
D.44%

Answer 1

The efficiency of  the pig at converting the chemical energy in the feed to chemical energy in its body is 10% ( Option B)

What is efficiency?

This can be defined as the capacity to achieve a given task with little or no waste. Mathematically, it can be expressed as

Efficiency = (output / input) × 100

How to determine the efficiency

• Output = 4400 J
• Input = 44000 J

• Efficiency =?

Efficiency = (output / input) × 100

Efficiency = (4400 / 44000) × 100

Efficiency = 10%

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