Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Centre of earth Zero pressure Vacuum 273°K Centre of earth Zero pressure Vacuum 273°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as External energy Enthalpy Entropy Internal energy External energy Enthalpy Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic Process is isentropic and specific heat does not change with temperature Process is isothermal Flow is uniform and steady Process is isentropic Process is isentropic and specific heat does not change with temperature Process is isothermal Flow is uniform and steady ANSWER DOWNLOAD EXAMIANS APP
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