Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature Process is isentropic Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature Process is isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C Carbonization of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C Carbonization of bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Friction Heat Surface tension Potential energy Friction Heat Surface tension Potential energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat generated per kg of fuel is known as Calorific value Higher calorific value Lower calorific value Heat energy Calorific value Higher calorific value Lower calorific value Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur When molecular momentum of the system becomes zero Under vacuum conditions At a temperature of 273°K At sea level When molecular momentum of the system becomes zero Under vacuum conditions At a temperature of 273°K At sea level ANSWER DOWNLOAD EXAMIANS APP