Engineering Thermodynamics The main cause for the irreversibility is All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur When molecular momentum of the system becomes zero At sea level At a temperature of 273°K Under vacuum conditions When molecular momentum of the system becomes zero At sea level At a temperature of 273°K Under vacuum conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio is the ratio of Total volume to clearance volume Total volume to swept volume Swept volume to total volume Swept volume to clearance volume Total volume to clearance volume Total volume to swept volume Swept volume to total volume Swept volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas All of these The temperature of the gas changes The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS