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EBK THERMODYNAMICS: AN ENGINEERING APPR
- 1 1 ӘР 2. Given: P = 2(R2) (S3) (T3) + (R3) (S)sin2T, what is әтarrow_forwardThe Cyclic integral of a property is always zero. Select one: O True O Falsearrow_forwardA mass of 12 kg of Oxygen occupying 3 m3 is heated from 25°C at a constant volume. Take gas constant is 0.297 kJ/kgK, then its initial pressure would be approximately 0.78 bar. Select one: O True O Falsearrow_forward
- Briefly discuss the difference between derivative operators d and ∂. If the derivative ∂u/∂x appears in an equation, what does this imply about variable u?arrow_forwardShow that for perfect gas, Cp,m - Cv,m =Rarrow_forwardA chamber is divided equally into two parts by a membrane. One side contains Hydrogen, H2, at a pressure of 200 kPa and temperature of 300 K, and the other side is evacuated (a perfect vacuum). The total chamber volume is 0.005 m3. At time t = 0, the membrane ruptures and the hydrogen expands freely into the evacuated side. The chamber can be considered adiabatic (i.e. perfectly insulated). Find the final values of the temperature and pressure.arrow_forward
- A mass of 15 kg of Oxygen occupying 3 m³ is heated from 25°C at a constant volume. Take gas constant is 297 J/kgK, then its initial pressure would be approximately 1.33 bar. Select one: O True O Falsearrow_forwardGiven: Otto Cycle with the following data: compression ratio = 9 intake air is at 100 KPa and 20°C maximum cylinder volume = 500 cm³ Temperature at the end of adiabatic compression = 800 K Cp =1.01 kJ/kgK, Cv=0.718 kJ/kg, k = 1.4, R = 287.1 J/kgKarrow_forwardFind the reaction at C so that the reactions at A and B are equal. Also, Find X and find the reaction at B. 120 N 600 N 30 N/m В 10 m 1m 2 m 12 m O 200 N, 400N, 2.33m 132.32N, 221.19N, 5m 106.67N, 40N, 5.35m O 220.69N,122.61N, 9.54marrow_forward
- 3.1 If y = and w is increasing by 2%, s is decreasing by 3% and d is increasing by 1%. calculate the maximum percentage eror in y. %3D 3.2 The volume of a certain figure is given by V = In(x sin z + y z). Evaluate the change in V at (x;y;z) = 10;5; given that x and z decrease by 0,03cm and 0,1 rads, respectively, and y increases by 0,01cm.arrow_forwardThe equation dU = T dS – P dV is applicable to infinitesimal changes occurring in A.A closed system with changes in composition B.An open system with changes in composition C.An open system of constant composition D.A closed system of constant composition E.None of thesearrow_forwardQ4 Show that for a gas obeying van der Walls equation of state, 2a Cp – Cy = R + vTarrow_forward
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