Engineering Thermodynamics Coke is produced From the finely ground coal by moulding under pressure with or without a binding material When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C From the finely ground coal by moulding under pressure with or without a binding material When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C 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 100 × 10⁵ joules 10 × 10⁵ kilo joules 1 × 10⁵ joules 10 × 10⁵ joules 100 × 10⁵ joules 10 × 10⁵ kilo joules 1 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 3 Ru × T 1.5 Ru × T 2 Ru × T Ru × T 3 Ru × T 1.5 Ru × T 2 Ru × T Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Heat transfer is zero Both (A) and (B) above Work done is zero Work done is zero but heat increases Heat transfer is zero Both (A) and (B) above Work done is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, H₂, air O₂, N₂, steam, CO₂ O₂, N₂, water vapour SO₂, NH₃, CO₂, moisture O₂, N₂, H₂, air O₂, N₂, steam, CO₂ O₂, N₂, water vapour SO₂, NH₃, CO₂, moisture ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Its temperature will increase Neither temperature not volume will increase Both temperature and volume will increase Its volume will increase Its temperature will increase Neither temperature not volume will increase Both temperature and volume will increase Its volume will increase ANSWER DOWNLOAD EXAMIANS APP