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1.What is the formula to find how many gals./ min. would dicharge from a 2 inch dia. hole at 5PSI (with a constant water supply and no friction involved)? Would the same formula apply to any size hole ( ex. 1/2" or 3")?
2.To find the flowrate you have to draw the system curve to find the intersection. How do you find the system curve?
3.A room having a total heat gain of 35,000 btuh is to be maintained at 80 DB and 62 WB. the air is supplied to the room at 60 DB and 55 WB. find the quanity of air to be supplied.
1690 cfm
1500 cfm
1850 sfm
1900 sfm
4.Find the cooling load (in tons of refrigeration) for a room supplied with 10,000 CFM of 95 DB outside air with ratio of 105 gr/lb. The room is to be maintained at 78 DB and humidity ratio of 71.5 gr/lb. The room calculated sensible heat load is 108,000 BTUH and latent load of 30,000 BTUH
34.8 tons
46.3 tons
38.5 tons
73.4 tons
5.The total heat loss from a building equals the heat load or the amount of heat that must be put into the building by the heating system to offset the losses and maintain the proposed comfort zone. The total building heat loss is calculated from losses by which of the following?
A. Conduction
B. Convection
C. Radiation
D. All of the above
The mean annual precipitation for a 325 mi2 watershed is25 inches. Assume that 20% of the annual precipitation reachesthe watershed outlet as streamflow. Determine the meanstreamflow rate in ac-ft/yr
Can a contractor claim that liquidated damages should be limited Because of political unrest, only 20% of rooms are occupied. Liquidated damages are set to $30000 per day -> reasonable amount Contractor is late 15 days.
cell pressure kN/m2 100 200 300 ultimate deviator stress kN/m2 137 210 283 ultimate pore pressure kN/m2 28 86 147 determine the effective stress strength parameters
What is the difference between stiffness and flexibility matrix
calculate the largest tolerable internal crack length for a 7075-t651 aluminum alloy component that is loaded to a
A foot valve for a pneumatic systemis hinged at B. Knowing that a=28degrees, determine the moment of the l6-N force about point B by resolving the force into horizontal and vertical components
The two pulleys are riveted together to form a single rigid unit, and each of the two cables is securely wrapped around its respective pulley. If point A on the hoisting cable has a velocity v=0.9 m/s,
given that E for the tube material is 70 GN/m2 and the stool legs are 75cm long, how much will each leg shorten under the applied compressive load (take g = 9.8m/s2)
The fire department proposes to approach the truck from the upstream side and heavily spray the truck with water to prevent an explosion. Will this help to reduce the chlorine concentration downstream?
A new concrete mix is being designed to provide adequate compressive strength for concrete blocks. The specification for a particular application calls for the blocks to have a mean compressive strength greater than 1350 kPa.
Consider a wide flange steel beam of size W10x60 subjected to a negative bending moment of 24 kip ft. Calculate the maximum compressive and maximum tensile stresses and indicate where the stress will be tensile and where compressive.
A barge-mounted, ocean thermal energy conversion (OTEC) power station is being tested off the island of Hawaii. The 50 kWturbogenerator runs on a closed ammonia cycle.
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