Question

Calculate the calorific value of a fuel if the heat produced on burning was 5.5 kg of the fuel That produces 60000 Joules of energy.

Show the step by step working and answer.. I'll mark answer as brainliest​

Answer 1

Answer:

Calculate the calorific value of the fuel. Answer: Total mass of fuel = 4.5 kg Total heat produced = 180,000 kJ Heat produced by burning 1 kg of fuel = 180,000 kJ/4.5 kg = 40,000 kJ/kg. So, calorific value of fuel = 40,000 kJ/kg.

Explanation:

use the same method for this sum....

hope it helps ❤️❤️❤️❤️

Answer 2

Answer:

Perfect questions for guys interested in maths..

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Solution:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)