Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Hard coal Pulverized coal Bituminous coal Soft coal Hard coal Pulverized coal Bituminous coal Soft coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to E/3 3E/4 2E/3 E/2 E/3 3E/4 2E/3 E/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 287 J/kgK 0.287 J/kgK 2.87 J/kgK 28.7 J/kgK 287 J/kgK 0.287 J/kgK 2.87 J/kgK 28.7 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 21 77 23 25 21 77 23 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process There is no change of internal energy of steam All of these Heat exchange does not take place No work is done by expanding steam There is no change of internal energy of steam All of these Heat exchange does not take place No work is done by expanding steam ANSWER DOWNLOAD EXAMIANS APP
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