Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Point functions Real functions Path functions Cyclic functions Point functions Real functions Path functions Cyclic functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat generated per kg of fuel is known as Heat energy Higher calorific value Calorific value Lower calorific value Heat energy Higher calorific value Calorific value Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Otto cycle is more efficient than Diesel cycle Diesel cycle is more efficient than Otto cycle Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors Otto cycle is more efficient than Diesel cycle Diesel cycle is more efficient than Otto cycle Both Otto and Diesel cycles are equally efficient Efficiency depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The atomic mass of nitrogen is __________ oxygen. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
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