Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to γ 1 ∝ γ 1 ∝ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Select the wrong statement All of these A Joule cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. An Otto cycle consists of two constant volume and two isentropic processes. All of these A Joule cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. An Otto cycle consists of two constant volume and two isentropic processes. 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) cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 11/4 9/7 7/4 11/7 11/4 9/7 7/4 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system ANSWER DOWNLOAD EXAMIANS APP
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