Engineering Thermodynamics The energy of molecular motion appears as Heat Surface tension Potential energy Friction Heat Surface tension Potential energy Friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called Wood charcoal None of these Bituminous coal Briquetted coal Wood charcoal None of these Bituminous coal Briquetted coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure Volume Enthalpy Entropy Mass Volume Enthalpy Entropy Mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the expansion or compression takes place according to the law pvn = C, the process is known as Isothermal process Hyperbolic process Adiabatic process Polytropic process Isothermal process Hyperbolic process Adiabatic process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Internal energy Temperature Pressure Volume Internal energy Temperature Pressure Volume 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) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP