Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 2 43834 Zero 43835 2 43834 Zero 43835 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Universal gas constant is defined as equal to product of the molecular weight of the gas and Ratio of two specific heats Gas constant Specific heat at constant pressure Specific heat at constant volume Ratio of two specific heats Gas constant Specific heat at constant pressure Specific heat at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Stirling Rankine Carnot Brayton Stirling Rankine Carnot Brayton ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Specific heat of air at constant pressure is equal to 0.24 0.17 0.21 1 0.24 0.17 0.21 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when 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 Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature ANSWER DOWNLOAD EXAMIANS APP
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