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The 10-kg mass shown in Fig. P1.81 is traveling at 40 m/s and strikes a plunger that is attached to a piston. The piston compresses 0.2 kg of air contained in a cylinder. If the mass is brought to rest, calculate the maximum rise of temperature in the air. What effects could lead to a lower temperature rise?
Water, initially a saturated liquid at 100 C, is contained in a piston–cylinder assembly. The water undergoes a process to the corresponding saturated vapor state, during which the piston moves freely in the cylinder. If the change of state is brough..
underground water is to be pumped by a 70 percent efficient 3 kw submerged pump to a pool whose free surface is 30 m
Draw a sketch of the engine block of the three-cylinder radial engine of Fig. 10.37, and show vectors of forces imposed on the block by the reciprocating inertia forces of the slider-crank mechanisms.
a shaft which rotates at a constant speed of 160 r.p.m. is connected by belting to a parallel shaft 720 mm apart which
a cubic inch of fe is subjected to a tensile stress of 25 ksi. take poissons ratio to be .291 and youngs modulus to be
the 10 pounds weight is supported by the cord AC and roller and by a spring.if the spring has unstreched lenngth of 8 inches and the weight in equilibrium when d=a inches.determine the stiffness K of the spring?
a refrigerator should remove 500 kj from some food. assume the refrigerator works in a carnot cycle between -10 degrees
Assuming the flow is isentropic, calculate the exit Mach number and the static pressure ratio across the cascade.
a bearing steel with 1.2 wt. c is analyzed for its microstructure after annealing heat treatment. a write down the
multi-stage flash distillation is used to desalinate seawater so it is fit for human consumption. a flash distillation
A reservoir of water is drained by a 10-inch-diameter, square-edged orifice with center at elevation 289.12 that flows directly into a stream with water surface at elevation 293.59. The elevation of the reservoir surface is 296.85. Find the flow ..
Alternatively, the motor torque can be increased by introducing multiple stacks (i.e., a longer motor) for a given diameter, coil density, and current rating. Giving reasons, indicate which design is generally preferred.
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