Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 300° to 500°C 900° to 1100°C 500° to 700°C 700° to 900°C 300° to 500°C 900° to 1100°C 500° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to ∝ γ 1 ∝ γ 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered All of these When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
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. 7/4 11/4 9/7 11/7 7/4 11/4 9/7 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The universal gas constant (or molar constant) of a gas is the product of Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant pressure Molecular mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant pressure Molecular mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of None of these 273 K 0°C -273°C None of these 273 K 0°C -273°C ANSWER DOWNLOAD EXAMIANS APP
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