Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? Constant volume process All of these Constant pvn process Constant pressure process Constant volume process All of these Constant pvn process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease lower temperature Decrease higher temperature Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature Increase lower temperature Increase higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas Pressure exerted by the gas Volume occupied by the gas All of these Temperature of the gas Pressure exerted by the gas Volume occupied by the gas All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel 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 first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 43834 2 Zero 43835 43834 2 Zero 43835 ANSWER DOWNLOAD EXAMIANS APP