Engineering Thermodynamics The unit of pressure in S.I. units is kg/cm² Dyne per square cm Pascal mm of water column kg/cm² Dyne per square cm Pascal mm of water column ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics All of these Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy All of these Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases Increases Decreases First increases and then decreases First decreases and then increases Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Heat transfer with a finite temperature difference Mechanical and fluid friction Unrestricted expansion All of these Heat transfer with a finite temperature difference Mechanical and fluid friction Unrestricted expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1 1.4 1.45 2.3 1 1.4 1.45 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Joule cycle Carnot cycle Reversed Brayton cycle Brayton cycle Joule cycle Carnot cycle Reversed Brayton cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP