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You are the Chief Civil Engineer for the Enhanced Protein Production Plant on the planet Zog where the gravitational constant is 15 ft/s2. A protein storage tank has developed a structural problem and must be drained. There is a 6 inch diameter orifice near the bottom of the tank that can be opened, which will allow a free discharge (Torocelli experiment) of the liquid protein from the tank. You estimate that the coefficient of discharge (CD) for this orifice is 0.5. The tank is a truncated cone whose diameter is 15 ft at the centerline of the orifice and 5 ft at the top of the tank which is 10ft above the orifice and the tank is completely full . Estimate the time, in minutes, required to drain the tank to the level of the orifice.
A structural component in the form of a very wide plate is to be fabricated from 4340 steel that was cooled using a fast cooling rate and has a yield strength of 1515 MPa and a fracture toughness (KIC) of 60.4MPam.
One of the wells pumps at a rate of 1240 m3/ day and the second well pumps at 850 m3/ day. If the aquifer has a transmissivity of 2000 m2/ day and a storage coefficient of 4 x 10^-4, when would the wells start interfering with each other
Determine the diameter of commercial steel pipe required to convey a minimum of 300 cfs of water at 60 deg F with a head loss of 1.2 ft per 1000 ft of pipe. Assume pipes are available in the following nominal diameters (inches)
What is the tension in the cable connecting the boat to the pier Angle of spray 50 degrees off horizontal axis and is spraying toward the pier and pushing the boat away from the pier.
A weight W somewhere between 1 to 10 tons is randomly placed along a beam of 10m long span. Let X denote the distance from the point of applicatoin of the load to the nearest support.
A steel shaft with a diameter of 40mm and length of 1.1m transmits 60hp from an electric motor to a compressor. If the allowable shear stress is 50MPa and the allowable angle of twist is 1.5 degrees
A 6.22-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.45 m/s and its y component of velocity is -2.88 m/s. (a) What is the kinetic energy of the object at this time
A room 4x5x6 meter is heated by a baseboard resistance heater. We want the heater to raise the room temperature from 7 to 23 deg C in 15 minutes. There are no heat losses from the room, and specific heat may be assumed constant.
A coal-burning steam power plant produces a net power of 300 MW with an overall thermal efficiency of 32 percent. The actual gravimetric air-fuel ratio in the furnace is calculated to be 12 kg air/kg fuel.
Knowing that each member has a 2 3 4-in. rectangular cross section and that each pin has a 12 -in. diameter, determine the maximum value of the average normal stress (a) in member BE, (b) in member CF.
A jet aircraft flies at a speed of 600 mph at an altitude of 40,000 ft. The atmosphere is the standard atmosphere. (1) What is the air pressure outside the aircraft (2) What is the Mach number of the flow around the aircraft
A solid composite shaft is subjected to a 2MN force. Section AB is red brass (E= 120 Gpa), and section BC is AISI 1010 steel (E=200GPa). Find the normal stress in each section and the total axil deformation of the shaft.
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