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Determine the number of gallons of paint needed to paint the outside surface of the water-supply tank, which consists of a hemispherical bottom, cylindrical sides, and a conical top. Each gallon of paint can cover 250 ft^2
Determine the effective annual interest rate for a nominal rate of 8% per year, in which is compounded quarterly.
Which of the following is true for a thermistor with a negative temperature characteristic A) Decreasing temperature produces decreasing resistance in the thermistor. B) Increasing temperature produces decreasing resistance in the thermistor.
Determine the power generated by the turbine (in KW) operating in steady state at 5MPa, with specific enthalpy 3000kj/kg and velocity of 10m/s at the entrance and steam escaping at 0.07MPa, specific enthalpy 2000kj/kg at velocity of 90m/s p.
Explain how the desert air can contain much more h 2 o vapor in the air than the pole, and still a lower humidity than the pole? what causes the difference between dry and moist lapse rate?
a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5.
The flow is fully developed and laminar. Make use of the Navier Stokes equation to determine the relationship between the discharge and the other parameters involved, for the case in which the change in pressure along the channel is zero.
What power must the pump supply to the system to pump the oil from the lower reservoir to the upper reservoir at a rate of .2 m^3/s. Sketch the HGL and the EGL for the system.
an insulated tank contains pressurized air at 2000 kPa and 30 degrees celcius. The air is allowed to escape to the atmosphere (P=95 kPa, T=30 degrees celcius) until flow ceases. Determine the final temperature in the tank.
Air enters an adiabatic nozzle steadily at 300 kPa, 200 o C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm 2 . Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the ..
A piece of rock weighs 301 N in air and has an apparent weight of 202 N when suspended under water. What are the volume and density of the rock
What should be the length of an aluminum wire of 6 mm in diameter so it can be twisted one full turn without exceeding a shear stress of 42 MPa G = 27 GPa.
The velocity of flow toward the sphere along the longitudinal axis is found to be u = - U0 (I - r~/_xl), where r0 is the radius of the sphere and x the distance from its center.
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