Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 9/7 11/7 11/4 7/4 9/7 11/7 11/4 7/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Decrease Increase/decrease depending on application Increase Remain unchanged Decrease Increase/decrease depending on application Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 N/m 1 kNm/hr 1 Nm/s 1 Nm/hr 1 N/m 1 kNm/hr 1 Nm/s 1 Nm/hr ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called Kilo Joule Specific heat at constant pressure Specific heat at constant volume None of these Kilo Joule Specific heat at constant pressure Specific heat at constant volume None of these ANSWER DOWNLOAD EXAMIANS APP
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