Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Hard coal Soft coal Pulverized coal Bituminous coal Hard coal Soft coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive or negative Positive Negative None of these Positive or negative Positive Negative None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kerosene is distilled at 65° to 220°C 470° to 550°C 220° to 345°C 345° to 470°C 65° to 220°C 470° to 550°C 220° to 345°C 345° to 470°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done The temperature of the gas changes No heat enters or leaves the gas All of these The change in internal energy is equal to the mechanical work done The temperature of the gas changes No heat enters or leaves the gas All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 15 to 30 10 to 20 3 to 6 5 to 8 15 to 30 10 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
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