Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process There is no change in temperature There is no change in enthalpy All of the listed here There is no change in internal energy There is no change in temperature There is no change in enthalpy All of the listed here There is no change in internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Thermal power plant works on Carnot cycle Rankine cycle Otto cycle Joule cycle Carnot cycle Rankine cycle Otto cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isothermal Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isentropic Process is isothermal Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The principal constituents of a fuel are Carbon and hydrogen Oxygen and hydrogen Sulphur and hydrogen Sulphur and oxygen Carbon and hydrogen Oxygen and hydrogen Sulphur and hydrogen Sulphur and oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Increase/decrease depending on application Remain unchanged Decrease Increase Increase/decrease depending on application Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP