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A water pump delivers 3 hp of shaft power when operating. If the pressure differential between the outlet and the inlet of the pump is measured to be 1.2 psi when the flow rate is 8 ft3/s and the changes in velocity and elevation are negligible, determine the mechanical efficiency of this pump.
a skydiver of weight 84kg jumps from a plane 3300m above the ground. they initially free fall for a period of seconds
r-134a fills a 0.1 m3 capsule at 20oc 200 kpa. it is placed in a deep freezer where it is cooled to -10oc. the deep
using the van der waals equation of state derive an expression that gives the isothermal change of internal energy with
Water enters the pump of a steam power plant as saturated liquit at 20kpa at a rate of 45kg/s and exits at 6mpa. Neglecting KE and PE changes and assuming the process is reversible, determine the power input of the pump
It is given that a- iron has a BCC crystal structure, an atomic radius R = 0.124 nm, and atomic weight AFe = 55.85 g/mol. Calculate the following quantities for a- iron: Lattice parameter. Total number of atoms in the unit cell. Volume of the unit ce..
A certain piston cylinder assembly has a stroke of 85mm, a connection rod length of 130 mm and a piston pin offset of 2mm. Calculate the displacement, velocity and acceleration of the assembly operating at 2200 RPM.
carbon dioxide is expanded in a steady flow frictionless process through a turbine from 0.9 mpa to 0.1 mpa. the initial
explain why the modulus of elasticity of simple thermoplastic polymers such as polyethylene and polystyrene is expected
Drilling fluid plays an important role in any drilling activity. It is the main controlling parameter in well control. Its main function is to control the bottom hole pressure (BHP) and stabilize the borehole. Therefore, it is very important to..
the basic barometer can be used to measure the height of a building.if the barometric pressure reading at the top and
at the beginning of the compression process of an air-standard otto cycle p1 14.7 lbin2 and t1 530degr. the maximum
a solar hot water heater raises the temperature of 200 liters of water from 27 to 47 degrees c. suppose a heat engine
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