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 Which of the following is the correct statement? Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of time in S.I. units is Day Minute Hour Second Day Minute Hour Second ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by Boyle None of these Charles Joule Boyle None of these Charles Joule 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 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
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