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A group meeting sometimes is suggested as a useful compromise between interviews and questionnaires. In a group meeting, a systems analyst meets with a number of users at one time. Discuss the advantages and disadvantages of group meetings.
air is compressed in an isentropic process from an initial pressure and temperature of p 1 90 kpa and t1 22 oc to a
The isothermal, first-order reaction of gaseous A occurs within the pores of a spherical catalyst pellet. The reactant concentration halfway between the external surface and the center of the pellet is equal to one-fourth the concentration at the ..
Energy in the home, personal energy use and home energy efficiency. Efficient use of ‘waste' heat and renewable heat sources.
A 2 cm horizontal jet of water with a velocity of 15 m/s is spraying onto a vertical plate attached to a cart moving opposite the direction of the water jet at 8 m/s. Determine the force required to keep the cart moving at a constant velocity.
steam is contained in a closed rigid container. initially the pressure and the temperature are 1.4 mpa and 250degc
a pump accepts liquid water at 60 degf and 14 psia and compresses it isothermally to a pressure of 100 psia. the pump
when the discharge upstream is suddenly increased to 70 cfs/ft. What is the speed and height of the surge wave
For the selected tube, compute the actual velocity of flow when carrying the design volume flow rate.
Prepare shadow maps for point P on the sun-path diagrams for 35°N and 40°N for the three geometries shown in (c) below. Determine the hours of shading that occur each month.
Oil refineries use large fired heaters to heat oil and other products for processing. These heaters consist of a firebox where a fuel gas (typically natural gas or a refinery fuel gas) is burned, and the radiation from the fire heats the fluid which ..
liquid octane c8h18 is burned in the constant pressure adiabatic combustor of an aircraft engine with 40 percent excess
What processes might be grouped into the nanotechnology field? For example, what level of precision is needed in a CD player or an artificial joint?
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