Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 5 to 8 15 to 30 3 to 6 10 to 20 5 to 8 15 to 30 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1200 K 1400 K 1000 K 800 K 1200 K 1400 K 1000 K 800 K 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 1 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 10 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Less than one None of these Greater than one Equal to one Less than one None of these Greater than one Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 900° to 1100°C 500° to 700°C 300° to 500°C 700° to 900°C 900° to 1100°C 500° to 700°C 300° to 500°C ANSWER DOWNLOAD EXAMIANS APP
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