Engineering Thermodynamics Otto cycle consists of Two constant volume and two isothermal processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 5 to 8 15 to 30 3 to 6 10 to 20 5 to 8 15 to 30 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Joule cycle is None of these Greater than Carnot cycle Equal to Carnot cycle Less than Carnot cycle None of these Greater than Carnot cycle Equal to Carnot cycle Less than Carnot cycle 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 cp - cv = R Both (B) and (C) cv/ cp =R cv = R/ γ-1 cp - cv = R Both (B) and (C) cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The oxygen atom is ________ times heavier than the hydrogen atom. 32 2 16 8 32 2 16 8 ANSWER DOWNLOAD EXAMIANS APP
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