Engineering Thermodynamics The compression ratio is the ratio of Total volume to clearance volume Swept volume to clearance volume Total volume to swept volume Swept volume to total volume Total volume to clearance volume Swept volume to clearance volume Total volume to swept volume Swept volume to total volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen consists of __________ atoms of oxygen. 8 4 16 2 8 4 16 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant 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 cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Throttling Free expansion Adiabatic expansion Hyperbolic expansion Throttling Free expansion Adiabatic expansion Hyperbolic expansion ANSWER DOWNLOAD EXAMIANS APP
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