Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature None of these Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature None of these Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction is Dependent on temperature only Dependent on pressure only Dependent on both pressure and temperature Independent of temperature changes Dependent on temperature only Dependent on pressure only Dependent on both pressure and temperature Independent of temperature changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 50 200 205 100 50 200 205 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. Data insufficient; can't be computed 224 22.4 448 Data insufficient; can't be computed 224 22.4 448 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be 1160 Data insufficient; can't be computed 580 640 1160 Data insufficient; can't be computed 580 640 ANSWER DOWNLOAD EXAMIANS APP
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