Engineering Thermodynamics - Study Mode
[#276] When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called
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(D) None of these
[#277] For reversible adiabatic process, change in entropy is
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(C) Zero
[#278] If a system after undergoing a series of processes, returns to the initial state then
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(D) Sum of heat and work transfer will be zero
[#279] The value of one bar (in S. I. units) is equal to
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(D) 1 × 105 N/m 2
[#280] The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as
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(C) Entropy