Engineering Thermodynamics Absolute zero pressure will occur 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 When molecular momentum of the system becomes zero Under vacuum conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 40°C 20°C 80°C 0°C 40°C 20°C 80°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic wall is one which Prevents thermal interaction Permits thermal interaction Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction Discourages thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isothermal expansion Isothermal compression Isentropic compression Isentropic expansion Isothermal expansion Isothermal compression Isentropic compression Isentropic expansion ANSWER DOWNLOAD EXAMIANS APP
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) v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kilowatt is equal to 1000 N-m/s 100 N-m 1 × 106 N-m/s 1 N-m/s 1000 N-m/s 100 N-m 1 × 106 N-m/s 1 N-m/s ANSWER DOWNLOAD EXAMIANS APP