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In practice, how could you measure that much stretch in a bolt of this size?
The bolt of problem is put in service and its temperature rises to 2508F. How much change in length of the bolt would you expect this increase in temperature to create?
a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
The power P required to drive a fan is believed to depend on density p, flow rate Q, impeller dia. D, and angular veloctiy w in Hz. Determine by dimensional analysis, the general expression for dependence of P on other variables.
Compare the results of part (a) with those of a reversible power cycle operating between these reservoirs and receiving the same rate of heat transfer from the hot reservoir.
a two-dimensional diamond shaped supersonic airfoil has a total inclued angle of 15 degrees at its leading edge and its
A freely (zero friction) rotating cylinder (mounted on a vertical axis) is placed on a model boat instead of a sail. The Magnus force that is created is used to power the boat. A fan is mounted on the boat to provide airflow over the cylinder.
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2 and a yield strength of 860 MPa (12..
a small high speed turbine operating on compressed air produces a power output of 100 w. the inlet state is 4 bar 50
a 5 cm orifice meter is being used to measure the flowrate of 70 degree c water. the mercury manometer shows a height
Estimate (a) the wing span, (b) the aspect ratio, and (c) the induced drag. Take density of air to be 0.7 Kg/m3. Assume that the factors for induced drag and the lift slope, d and t, respectively, are equal to 0.01; i.e., d = t = 0.01.
A heat-treated steel shaft is to be designed to support the spur gear and the overhanging worm shown in the figure. A bearing at A takes pure radial load. Identify the material and its heat treatment
Determine the minimum value of the force P required to begin moving the block up the incline. Neglect the weight of the wedge.
3 kg of refrigerant 22 undergoes a process for which the pressure-specific volume relation is pv^-0.8 = constant. The initial state of the refrigerant is 12 bar and 60 degrees C. The final pressure is 8 bar. Kinetic and potential energy effects are n..
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