Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is increased Cut-off is zero Cut-off is decreased Cut-off is constant Cut-off is increased Cut-off is zero Cut-off is decreased Cut-off is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel 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 By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel When coal is first dried and then crushed to a fine powder by pulverizing machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Isothermal process Polytropic process Hyperbolic process Adiabatic process Isothermal process Polytropic process Hyperbolic process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the property of a system? Pressure and temperature Volume and density Enthalpy and entropy All of these Pressure and temperature Volume and density Enthalpy and entropy All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Its heating value Repulsion of molecules Surface tension of molecules Kinetic energy of molecules Its heating value Repulsion of molecules Surface tension of molecules Kinetic energy of molecules ANSWER DOWNLOAD EXAMIANS APP