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)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under Only small range of pressures High range of pressures Steady change of pressures All ranges of pressures Only small range of pressures High range of pressures Steady change of pressures All ranges of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pvn = C pvγ = C pv = m R T pv = C pvn = C pvγ = C pv = m R T pv = C 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 0°C 80°C 40°C 20°C 0°C 80°C 40°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 4.086 1.086 0.086 1.086 4.086 1.086 0.086 1.086 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A sudden fall in the barometer reading is a sign of approaching Storm Rains Cold wave Fine weather Storm Rains Cold wave Fine weather ANSWER DOWNLOAD EXAMIANS APP