Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to γ ∝ 1 γ ∝ 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1 1.4 1.45 2.3 1 1.4 1.45 2.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Decrease Increase Increase/decrease depending on application Remain unchanged Decrease Increase Increase/decrease depending on application Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Gay-Lussac law Boyle's law Charles' law Joule's law Gay-Lussac law Boyle's law Charles' law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP