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 Kinetic theory of gases assumes that the collisions between the molecules are Partly elastic Partly inelastic Perfectly inelastic Perfectly elastic Partly elastic Partly inelastic Perfectly inelastic Perfectly elastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Neither temperature nor pressure will increase Both temperature and pressure will increase Its temperature will increase Its pressure will increase Neither temperature nor pressure will increase Both temperature and pressure will increase Its temperature will increase Its pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The oxygen atom is ________ times heavier than the hydrogen atom. 2 16 32 8 2 16 32 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy is S. I. units is Joule (J) Joule meter (Jm) Watt (W) Joule/meter (J/m) Joule (J) Joule meter (Jm) Watt (W) Joule/meter (J/m) ANSWER DOWNLOAD EXAMIANS APP
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