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When operated at 3000 RPM a 4 stroke 4 cylinder lean burn SI gasoline engine delivers a brake power of 80 kW. The fuel and air mass flow rate are 25 kg/hr, and 400 kg/hr respectively. The charging efficient of this engine is 80%. The density of the ambient air is 1.29 kg/m^3. The analysis of the composition of the gasoline is an H:C ratio of 1.8:1
Please find the mass of gasoline fuel injected into each cylinder in each working cycle.
What tightening torque should be used if the connection is permanent and the fasteners are lubricated? What portion of the external load is taken by the bolts? By the members?
find the total heat loss per m length of the steam line. Find also the temperature at the interface of steam and insulation.
Calculating a Constant Pressure Process, In a constant pressure, nonflow process, 6Btus of heat are added to a gas while the volumes change from 1.6ft^3 to 2.0ft^3
For a combined turbine-generator efficiency of 83%, determine the net electric output. Disregard the effect of the KE correction factors.
Workout velocity and range of shell fired, Why is it possible to consider the vertical and horizontal motion of a projectile independently of each other.
Write the electron configuration of the following ions by using spdf notation.
A 0.4 W cylindrical electronic component with a diameter of 0.3 cm and length 1.8 cm is mounted horizontally on a circuit board. To cool the component air is flowing across the board at a velocity of 150 m/min. If the air temperature is T∞= 45°C, ..
Find the turbine's (b) isentropic efficiency (%), (c) reversible work (kJ/kg), (d) irreversibility(kJ/kg), and (e) exergy destruction (kJ/kg). (f) Draw a T-s diagram of the process
Use the bisection method to determine the drag coefficient (cd) needed so that a 80 kg bunjee jumper has a velocity of 36 m/s after 4 s of free fall.
The die characteristic is Q_x = 0.0015p where p is the head pressure in psi. Determine the flight angle that maximizes the flow rate Q_x and graph it.
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
Find the corresponding damping coefficient c. Identify the system parameters such as the natural frequency and damped frequency. Derive the mathematical expression of the displacement as a function of time with the given initial condition. Plot yo..
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