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 (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 10 × 10⁵ joules 10 × 10⁵ kilo joules 1 × 10⁵ joules 100 × 10⁵ joules 10 × 10⁵ joules 10 × 10⁵ kilo joules 1 × 10⁵ joules 100 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of super-heated vapour is similar to that of Ordinary gas Air Steam Perfect gas Ordinary gas Air Steam Perfect gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 3000 Nm 300,000 Nm 300 Nm 30 Nm 3000 Nm 300,000 Nm 300 Nm 30 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process Throttling Free expansion All of the listed here Constant volume Throttling Free expansion All of the listed here Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed Joule cycle is known as Carnot cycle Stirling cycle Bell-Coleman cycle Rankine cycle Carnot cycle Stirling cycle Bell-Coleman cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP