Engineering Thermodynamics The oxygen atom is ________ times heavier than the hydrogen atom. 8 16 32 2 8 16 32 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics Deals with conversion of mass and energy Deals with reversibility and irreversibility of process States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with heat engines Deals with conversion of mass and energy Deals with reversibility and irreversibility of process States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with heat engines ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Theoretically possible May be possible with lot of sophistications Cost will be very high Not possible Theoretically possible May be possible with lot of sophistications Cost will be very high Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural solid fuel is Coke Wood Anthracite coal Pulverised coal Coke Wood Anthracite coal Pulverised coal 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/(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 (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Efficiency depends on other factors Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Efficiency depends on other factors Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP