Engineering Thermodynamics The efficiency of a Carnot engine depends on Working substance Size of engine Design of engine Temperatures of source and sink Working substance Size of engine Design of engine Temperatures of source and sink ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Both pressure and temperature Variation of its constituents Pressure Temperature Both pressure and temperature Variation of its constituents Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When beat is being rejected, temperature of cold source and working substance should be same All of these 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 When beat is being rejected, temperature of cold source and working substance should be same All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A sudden fall in the barometer reading is a sign of approaching Rains Cold wave Storm Fine weather Rains Cold wave Storm Fine weather ANSWER DOWNLOAD EXAMIANS APP