Engineering Thermodynamics The process is adiabatic, if the value of n in the equation pvn = C, is γ One Zero ∝ γ One Zero ∝ 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) cp - cv = R Both (B) and (C) cv = R/ γ-1 cv/ cp =R cp - cv = R Both (B) and (C) cv = R/ γ-1 cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Stirling Rankine Brayton Carnot Stirling Rankine Brayton Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ joules 10 × 10⁵ kilo joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
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