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The 20-mm-diametersteel bolt is placed in the aluminum sleeve. The nut is tightened until the normal stress in the bolt is 80 MPa. Determine the normal stress in the sleeve.
Demand for a particular product is normally distributed with a mean of 100 units and a standard deviation of 20 per period. What is the expected cycle service level ( aka type 1 service level)?
The bottle in the figure rides on a conveyor belt. (Part A figure) If the belt's acceleration is = 3.65 , determine the minimum coefficient of static friction that prevents the bottle from slipping
Water flows in a 5-m-wide channel with a speed of 2 m/s and a depth of 1m. The channel bottom slopes at a rate of 1 m per 1000 m. Determine the Manning coefficient for this channel.
A fuel oil is analyzed and found to contain 85.0 wt% carbon, 12.0% elemental hydrogen (H), 1.7% sulfur, and the remainder noncombustible matter.
The Froude number changes from a subcritical value of 0.5 to a supercritical value of 3.0. Determine the channel width at 2 if it is 12 ft wide at 1.
A rectangular channel 3-m-wide carries 10 m^3/s at a depth of 2m. Is the flow subcritical or supercritical? For the same flowrate, what depth will five critical flow?
A four-cylinder two-stroke 2.0-L diesel engine that operates on an ideal Diesel cycle has a compression ratio of 22 and a cutoff ratio of 1.8. Air is at 70°C and 97 kPa at the beginning of the c
Water is transferred at a rate of 2.1 cfs from an upper reservoir to a lower reservoir by a concrete pipe 3000 ft long. the difference in water level is 60 ft. determine the size of pipe for a water
Determine the critical load of a pinned pinned column by the following methods. Solving the second order differential equation.
Find enthalpy and entropy at each phase. Also find all sources of entropy in cycle. Then explain why cycle does not work.
A steam power plant has a high pressure of 3 MPa, and it maintains 60°C in the condenser. A condensing turbine is used, but the quality should not be lower than 90% at any state in the turbine.
5 Lbm of Refrigerant 22 (R-22) is contained in a piston cylinder device. The R-22, initially at a pressure of 30 psia and a volume of 4 ft^3, is heated at constant pressure until the temperature is
Estimate the force and power required to overcome skin friction drag at a cruising speed of 13 kt in sewater at 10 degrees centigrate?
A spring having an unstreched length of 2ft has one end attached to a 10lb ball. Determine the angle of the spring when the ball has a speed of 6 ft/s tangent to horizontal cicular path. k=20lbs.
Saturated mixture of water at 1500kPa is throttled to 100kPa and 150 degree C in a steam line. Calculate the temperature and quality of the water at the inlet.
Consider a space ship in a stationary orbit around a planet. The potential energy of the ship is: U=-Km/r , where K=GM is the gravitational constant times the mass of the planet M, m is the mass of
Calculate the velocity at the exit of a diffuser when air at 100kPa and 20 degree C enters it with a velocity of 500m/s and exit state is 200kPa.
From the model in (a), you should have an equation for the angle ? and another equation for the radial distance r.Consider a stationary orbit ? ?=?_0 with ?_0 constant assumed known.
A shell-and-tube heat exchanger must be designed to heat 2.5 kg/s of water from 15 to 85 oC. The heating is to be accomplished by passing hot engine oil, which is available at 160 oC, through the sh
The hull of a boat has a volume of 150 m3, and the total mass of the boat when empty is 8560 kg. Determine how much load this boat can carry without sinking in a lake.
A long slab is heated to 100degreeC on both sides and then exposed to a focused stream of cold air on the top edge - giving an approximately sinusoidal temperature distribution T = A cos pi/Lx along
A solid circular cylinder of radius R rotates at angular veolicity omega in a viscous incompressible fluid that is at rest far from the cylinder.
If the air around the thermocouple is at 20degreeC and the walls are at 100degreeC, what temperature will the thermocouple read?
If the motor winds in the cable with a constant velocity of 3 m/s, measured relative to the cart, determine how far the cart will move when the block has traveled a distance = 3m up the ramp.