Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Irreversible process Reversible process None of the listed here Reversible or irreversible process Irreversible process Reversible process None of the listed here Reversible or irreversible process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is None of these Equal to one Less than one Greater than one None of these Equal to one Less than one Greater than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as Element Compound Molecule Atom Element Compound Molecule Atom ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 + (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
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