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1. A square foundation is shown in Figure P4.12. Use FS 5 6, and determine the size of the foundation. Use Prakash and Saran theory [Eq. (4.55)].
2. The shallow foundation shown in Figure 4.24 measures 1.5 m 3 2.25 m and is sub- jected to a centric load and a moment. If eB 5 0.12 m, eL 5 0.36 m, and the depth of the foundation is 0.8 m, determine the allowable load the foundation can carry. Use a factor of safety of 4. For the soil, we are told that unit weightg 5 17 kN/m3, friction angle f9 5 358, and cohesion c9 5 0.
A 1.5 kilowatt heater is to be used to heat a room with dimensions 3.5 m × 5.0 m × 3.0 m. There are not heat losses from the room, but the room is not airtight, so that the pressure in the room is always atmospheric. Consider the air in the room to b..
The lighting requirements of an industrial facility are being met by 700 40-W standard fluorescent lamps. The lamps are close to completing their service life and are to be replaced by their 34-W high-efficiency counterparts that operate on the exist..
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A heat engine operating on the Carnot cycle has an efficiency of 65%. The waste heat from the cycle is rejected to the atmosphere at 20 deg. C. at a rate of 250 kW. What is the temperature of the heat source driving the engine in deg. C? For the heat..
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using excel find the value of the 95 confidence interval for a single-sample using the z variable and the students
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the reynolds number re is a dimensionless number used in fluid mechanics and is defined as repvdu where p is the fluid
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