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If D= 10 cm, h=.6 cm and Q=0.380 m^3/s, what are the velocity In the pipe and the acceleration at point A where r =20 cm?
An electric resistance heater in the tank transfers energy to the water at a constant rate of 60 W for 2.5 hour. Determine the final temperature of the water in the tank, in°C and the final pres
Determine the amount of heat transfer Q that must be done during this proccess for the given initial and final conditions.
Superheated water vapor initially at 15 bar and 440°C is cooled at constant pressure to a saturated vapor state and is then cooled at constant volume to a final temperature of 120°C.
First, assuming no heat transfer between the rock and air and no other losses, what is the initial velocity of the stone as it left the catapult in [m/s]?
A cylinder containing 0.9 kg of ammonia has an externally loaded piston. Find the total work for the process, assuming a piecewise linear variation of P versus V.
Before developing the dead-weight gauge, he worked in a mine shaft, and used a mercury manometer for measurements of pressure to more than 400 bar. Estimate the height of the manometer required.
Calculate the air flow rate for stoichiometric combustion. If the engine is operating at 1500 rev/min, estimate the mass of fuel and air entering each cylinder per cycle.
Shearing stresses in the directions respectively normal and tangential to the weld are s 5 50 MPa and t 5 30 MPa, determine the magnitude P of the largest axial force that can be applied to the pipe
Determine the tension in the cable. Consider moments in Cartesian vector form, using creative ways to compute moments.
If the hydraulic cylinder extends at a constant rate = 0.6 m/s, determine the angular velocity and the angular acceleration of the link at the instant theta =60 degrees.
At another instant prior to necking, the gage length measured 177 mm with a corresponding true stress of 530 MPa. Determine the strength coefficient and the strain-hardening exponent for this metal.
Determine the load required to compress the specimen to a height of (a) 62 mm and (b) 58 mm assuming that the cross section increases uniformly.
What is the mass flow rate in the larger outlet (3)? What is the mass flow rate in the smaller outlet (2)? What is the velocity of the water in the small outlet (2)?
The power input to the compressor is 5 kW. There is also a heat loss per unit mass of 5 kJ/kg. Kinetic and potential energy effects are negligible. What is the mass flow rate through the compressor?
Determine the rate of in nine years a machine tool will have a 12,488 salvage value. 1000 can be saved each year until then, what interest rate would it have to ear?
Given that the cost of money is 7 percent, what uniform-series amount will be required each year, for the next five years, to pay for the new system?
The aerodynamic force is proportional to the square of the sled speed. It is desired to slow the sled to 100 m/s. Determine the depth D to which the scoop must be lowered into the water.
Flow one has 1 kg/s at 400K, flow two has 3 kg/s at 290K, and flow three has 2kg/s at 700 K. Neglect kinetic energies. Calculate the volumetric flow rate at the exit for variable specific heat.
Explain to the future building owner why the owner cannot directly connect to a high-voltage distribution network.
If the spring constant k=100lb/ft is initially unstretched, determine the maximum rotation of the light rod after impact.
A random poly(isobutylene-isoprene) copolymer has a number-average molecular weight of 202000 g/mol and a degree of polymerization of 3030.
The inside diameter of the pipe is 2 cm|. Estimate the convective heat-transfer coefficient using the appropriate dimensionless correlation.
If the velocity at entrance is 60 m/s, the velocity at exit is 360 m/s, and the inlet pipe is 3 m above the exhaust pipe, calculate the change of specific enthalpy across the turbine.