Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Hard coal Soft coal Pulverized coal Bituminous coal Hard coal Soft coal Pulverized coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Hyperbolic process Isentropic process Throttling process Heat exchange process Hyperbolic process Isentropic process Throttling process Heat exchange process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles is not a reversible cycle? Stirling Carnot None of the listed here Ericsson Stirling Carnot None of the listed here Ericsson ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 3 to 6 10 to 20 5 to 8 15 to 30 3 to 6 10 to 20 5 to 8 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Brayton cycle Reversed Brayton cycle Joule cycle Carnot cycle Brayton cycle Reversed Brayton cycle Joule cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible 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 engines have the same efficiency. All the reversible and irreversible 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 engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
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