Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Ratio Sum Difference Product Ratio Sum Difference Product ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Adiabatic expansion Free expansion Hyperbolic expansion Parabolic expansion Adiabatic expansion Free expansion Hyperbolic expansion Parabolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The temperature of the air in room will remain unaffected 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 Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
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