Answer :
A thermal power plant's efficiency is 35.2%, using 1.13*10¹⁴ j of heat input. The difference between the amount of work that is completed and the amount of waste heat is 0.733*10¹⁴ J or 1.84 g.
Heat input θ[tex]_{i}[/tex]=1.13*10¹⁴ J
η=35.2%
Let's take,
Work done = W
Heat rejected (waste)=θ[tex]_{R}[/tex]
a)η=W/Q[tex]_{i}[/tex]=0.352
W=0.352*1.13*10¹⁴
W=0.397*10¹⁴ J
b) Ist law of thermodynamics
θ[tex]_{i}[/tex]=θ[tex]_{R}[/tex]+W
θ[tex]_{R}[/tex]= θ[tex]_{i}[/tex] -W
θ[tex]_{R}[/tex]=0.733*10¹⁴ J
c)
θ[tex]_{R}[/tex]/W = 0.733*10¹⁴ /0.397*10¹⁴
θ[tex]_{R}[/tex]/W =1.84 g
Efficiency is the ability to carry out tasks or produce desired results without wasting time, resources, money, energy, or other factors. It is the capacity to carry out tasks effectively, efficiently, and without wasting time in a broader sense.
In terms that are more mathematical or scientific, it refers to the degree of performance that requires the fewest inputs to produce the greatest output. It frequently entails the ability of a particular application of effort to create a particular result with a minimal amount or quantity of waste, expense, or superfluous work. Efficiency is used to describe extremely varied inputs and outputs in several disciplines and sectors. "Resource efficiency involves using the Earth's limited resources," the European Commission stated in 2019.
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