Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of -273°C 0°C 273 K None of these -273°C 0°C 273 K None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 5 to 8 3 to 6 15 to 30 10 to 20 5 to 8 3 to 6 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Pressure Volume Internal energy Temperature Pressure Volume Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Throttling Constant volume and constant pressure Free expansion Isothermal and adiabatic Throttling Constant volume and constant pressure Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Adiabatic process Polytropic process Hyperbolic process Isothermal process Adiabatic process Polytropic process Hyperbolic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
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