Engineering Thermodynamics Coke is produced By heating wood with a limited supply of air to a temperature not less than 280°C 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 When coal is first dried and then crushed to a fine powder by pulverizing machine By heating wood with a limited supply of air to a temperature not less than 280°C 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 When coal is first dried and then crushed to a fine powder by pulverizing machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Remain constant Decreases Increases First increases and then decreases Remain constant Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of pressure in S.I. units is Pascal kg/cm² Dyne per square cm mm of water column Pascal kg/cm² Dyne per square cm mm of water column ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called Absolute zero temperature None of these Absolute temperature Absolute scale of temperature Absolute zero temperature None of these Absolute temperature Absolute scale of temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
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