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 first dried and then crushed to a fine powder by pulverizing machine 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 From the finely ground coal by moulding under pressure with or without a binding material When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic wall is one which Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction Permits thermal interaction Discourages thermal interaction Prevents thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 N/m 1 Nm/s 1 Nm/hr 1 kNm/hr 1 N/m 1 Nm/s 1 Nm/hr 1 kNm/hr ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under All ranges of pressures High range of pressures Only small range of pressures Steady change of pressures All ranges of pressures High range of pressures Only small range of pressures Steady change of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant Temperature Volume, if temperature is kept constant None of these Absolute temperature, if volume is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Rankine cycle is hypothetical Carnot cycle can't work with saturated steam Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places Rankine cycle is hypothetical Carnot cycle can't work with saturated steam Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places ANSWER DOWNLOAD EXAMIANS APP