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A cylinder fitted with a piston is filled with 600 lb of saturated liquid ammonia at 45 degrees F. the piston weighs 1 ton and has a diameter of 2.5 ft. what is the volume occupied by the ammonia, i
A gate having a cross section as shown an opening 5 ft wide and 4ft high. The weights 400 lbs, and its center of gravity is 1 ft to the left of AC and 2ft above BC. Determine the horizontal compone
A rigid container of volume 1 m^3 contains 16.13 kg of H2O of an unknown phase. The pressure of the H2O is initially 7 bar. How much heat must be added to increase the pressure to 4 MPa?
The 680 kg load suspended from the helicopter is in equilibrium. The aerodynamic drag force on the load is horizonal. The y axis is vertical, and cable OA lies in the x-y plane. Determine the magni
Find the temperature and the cooling rate of the wire as a function of time. Assume constant thermal properties and neglect the radial temperature gradients and end effects.
The combustion chamber on a jet has air entering at 2 kg/s and fuel enters through a fuel injector at .07 kg/s. Determine the mass flow rate of exhaust gases from the engine.
When delivering 10. amps to an external load, the voltage drops to 11.2 volts. What is the value of the constant voltage source (Vs) and the internal resistance (Rs)?
Determine the final equilibrium temperature of the blocks. Block A is aluminum (Cp = 0.900 kJ/kgK) with a mass of 05.kg and block B is copper (Cp = 0.386kJ/kgK) with mass of 1.0kg
A fan is used to accelerate quiescent air to a velocity to 12m/s at a rate of 3m3/min. If the density of air is 1.15kg/m3. what is the minimum power that must be supplied to the fan?
Consider a person standing in a room at 18[C]. Determine the total rate of heat transfer from the person if the exposed surface area and skin temperature of the person are 1.7[m^2] and 32[C], and th
A closed system contains 2kg of air undergoes an isothermal process from 600kPa and 100 degree C to 80kPa. Determine the internal energy change, the work done and the heat transfer during this proce
Assuming that the water moves along the blade at a constant speed, determine the components of the force F exerted by the blade on the stream.
Liquid water (state 1) and steam (state 2) are mixed in a steady flow open feedwater heater and the mixture leaves at state 3. The flow rate at state 1 is 0.7 kg/s, the pressure is p1 = 1 bar, and t
The velocity of a particle at t=2 seconds is 50 m/s with an angle of 40 degrees down and to the right. At t=6 seconds it is 50 m/s with an angle of 15 degrees up and to the right. What is the avera
A derrick is capable of supporting 500,000 lbf. How many feet of (13 3/8) in, 72 lbm/ft casing could be supported by the derrick if the casing was run open ended through the 12 lbm/gal mud and not
Water backs up behind a concrete dam as shown. Leakage under the foundation gives a pressure distribution under the dam as indicated. If the what depth, h is to great, the dame will topple over abou
Compute the total pit gain that would be observed when the top of the kick reaches the surface. Compute the surface annular pressure that would be observed if the kick was methane gas instead of brin
An electric light is placed directly over the center of a circular plot of lawn 100m in diameter. Assuming that the intensity of light varies directly as the sine of the angle at which it strikes an
A car is moving with a constant speed of 40 km/h along a straight road which heads towards a large vertical wall and makes a sharp 90 degree turn by the side of the wall.
Assuming that a silver-gold alloy is a random mixture of gold and silver atoms, calculate the increase in entropy when 10 g of gold are mixed with 20 g of silver to form an ideal homogeneous alloy.
Calculate the increase in entropy which occurs when the partition between the two compartments is removed. If the first compartment had contained 2 moles of ideal gas A.
A simply supported circular cylindrical shell of radius a and length L carries its own weight p per unit area (that is, px = 0, p(θ)= -p cosθ, and pr= p sinθ). Determine the membra
Determine the expected diffraction angle for the first order reflection from the (310) set of planes for Cr when monochromatic radiation wavelength 0.0711 nm is used.
A structural member is subjected to combined loading so that the fallowing stress occur at a critical point [100 50 40, 50 80 20, 40 20 30]MPa. the yield stregth is σyp = 220MPa.
What is the flow rate of cell suspension from the membrane tubes? What is the flow rate from the annular space? Assume the cells are not active, i.e. they do not grow.