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What is the maximum number of mixers that can be assigned to an operator without causing idle time for the mixers?
Find an application criterion for the result (most of the molecules should be located in the vibrational levels lower than the Treanor minimum).
An especially violent lightning bolt has an average current of 1.37 103 A lasting 0.125 s. How much charge is delivered to the ground by the lightning bolt?
Find the Cartesian components of force P acting in the x, y, and z directions given P=20N, Alpha = 134.5 deg , Beta = 55.0 deg, and gamma = 60 deg.
The time required for the operator to retrive an item after the conveyor stop rotating equals 0.25 minute. How many courses conveyer can one operator tend with out creating idle time on the part of
A tube with elastic modulus of 75 GPa is used to support a compressive load. Determine a) the maximum normal stress in the rod, b) the minimum wall thickness for a load of 10 kN.
Determine the reading on the pressure gage in psig when all the liquid has just turned to vapor (all saturated vapor). Show this process on a sketch of a T-v diagram.
Develop an algebraic expression (in the form of an integral) for the total viscous shear torque that acts on the spherical member. Calculate the torque using the dimensions shown.
The final state is the critical point. a) On P-v and T-v coordinates, sketch the process. b) Find the initial quality of the liquid-vapor mixture.
Neglecting potential energy effects and assuming ideal gas behavior for the air, determine the: a. Temperature at the duct exit (K) b. Heat transfer (kJ/kg).
At the exit, the pressure is 2.4 bar and the temperature is 460 K. Neglecting potential energy effects, determine the velocity at the nozzle exit in m/s. Assume the ideal gas model is applicable.
The rate of heat transfer to the air is 350 kJ/kg. Neglecting kinetic and potential energy effects, determine the: a. Power developed in kW b. Volumetric flow rate at the inlet in m 3/s.
Assume the water is at constant density as it flows throughout the manifold and that the cross-sectional area of the pipes is circular.
Knowing that it strikes the water 4 s after release, determine a. speed with which the stone was thrown upward b. the speed with which the stone strikes the water.
A nonwetting metal surface that is at temperature T_s = -15 deg C. Determine how long it will take for the droplet to freeze completely. The latent heat of fusion is h_sf = 334 kJ/kg.
It is required that this tube must not stretch more than .05% if its original length and the outer diameter of this tube is 60mm. Determine a) maximum normal stress in the rod b) minimum wall thickn
Assuming that Xe behaves like an ideal gas with a specific heat ration of 1.7, Calculate the amount of heat transferred during the process in Kj.
Assuming that the sun radiates evenly in all directions, estimate the diameter of the sun. Ignore effects of reflection and refraction due to earth's atmosphere.
Pumps in the U.S. are still sized by horsepower (hp). Determine the pump size needed, if the pump has an efficiency of 68%.
The collector transfers heat by natural convection to the air with a heat transfer coefficient of 3.2 Btu/h.ft2.degreeF and also transfers heat by radiation to the sky. Calculate the total heat loss
What is the static pressure at this location? What is the air flow speed in the stream tube at a location near the wing where the cross-sectional area of the stream tube is 0.04 ft^2?
At the instant it passes through an altitude of 20,000 ft above sea level, what are the temperature, pressure, and density of the surrounding air?
Just after the pump, the water is at 10oC and 300 kPa (gage). Find the change in enthalpy for the water associated with the pump.
If the 50 kg. crate starts from rest and attains a speed of 6m/s when it has traveled a distance of 15m. Determine the force P acting on the crate.
What is the final pressure? c) What mass fraction of the water is liquid in the final state? d) Calculate the work done during the cooling process.