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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.
A typical hydrocarbon fuel produces 43,000 kJ/kg of heat when used in a spark ignition engine. Determine the compression ratio required for an ideal Otto cycle to use 0.035 grams of fuel to produce
Assume that the ends of the bar have been kept at 100 degrees C for a long time. Then at some instant, call it t=0, the temperature at x=L is suddenly changed to 0 degrees C and kept at 0 degrees C,
The ideal Rakine cyle has: Steam leaves the boiler at 800psia and 1000F. the turbine exit is at 1.276 psia with a quality = .95. Estimate the heat rejected (Btu/lb) in the condenser.
A four cylinder spark ignition engine has a compression ratio of 10.5 and each cylinder has a maximum volume of 0.4 L. At the beginning of the compression process, the air is at 98kPa and 37 degrees
The Salt Flats west of the Great Salt Lake make a great racing surface. a) Give the chemical formula for the mineral that is the primary ingredient in this fast surface. b) The electron transferred
Calculate the circulation rate (kg/s) to achieve 1 ton of refrigeration. 1 ton = 3.156 kW. Determine the Quality (%) of the r134a entering the evaporator.
Compare the thermal efficiency of a two-stage gas turbine with regeneration, reheating, and intercooling to that of a three-stage gas turbine with the same equipment when
Agas turbine plant operates on the regenerative Brayton cycle with two stages of reheating and two stages of intercooling between the pressure limits of 100 and 1200 kPa. The working fluid is air.
What is the maximum gauge pressure in the odd tank shown in the figure? Where will the maximum pressure occur? What is the hydrostatic force acting on the top (CD) of the last chamber on the right
A missile with a conical nose cone with a semivertex angle of 16 deg is flying through sea level air at a speed of 817 m/s and an angle of attack of 0 deg. What is the pressure on the surface of the
A two-phase liquid-vapor mixture of H2O has a temperature of 300oC and occupies a volume of 0.05 m3. The masses of saturated liquid and vapor present are 0.75 kg and 2.26 kg, respectively.
The compressor turbine of a simple gas turbine each have isentopic efficiencies of 90%. The compressor pressure ratio is 12. The minimum and maximum temperatures are 290K and 1400K, respectively.
If the friction force on the side walls can be neglected because of their small area compared to the top and bottom walls, what is the net pressure force acting on CV ?