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A pump is located between two reaches of horizontal piping. The conditions upstream of the pump are D1 ¼ 75 mm and p1 ¼ 450 kPa, and downstream of the pump D2 ¼ 100 mm and p2 ¼ 900 kPa. For a discharge of Q ¼ 100 L=min and a loss across the pump of hL ¼ 7 m, what is the required input power of the pump if its ef?ciency is 78%?
an 84.5 kg hiker is trapped on a mountain ledge following a storm. a helicopter rescues the hiker by hovering above him
Aeroplane Dynamics, Determine the steady thrust that would enable a 200-tonne airliner to reach its take-off speed (75 m sâ?'1), from rest, in 30 s
consider fully developed constant-property laminar flow between parallel planes with constant heat rate per unit of
A simple gear train with spur gears that contains a pinion, an idler, and a gear utilized in order to transmit 10 hp using a train ratio of 4.5:1. The pinion has 14 teeth and the idler has 30 teeth. The input shaft operates at 2000 rpm. The pressure ..
r-134a is loaded into a weighted pistoncylinder unit. the mass of refrigerant is 10 kg. before heating measurements
a simple u-tube manometer is installed across an orifice meter. the manometer is filled with mercuryspecific gravity
During an experiment, an aerospace engineering student measures a wind tunnel's velocity N times. The student reports the following information, based on 90% confidence, about the finite data set: mean velocity=25 m/s, velocity standard deviation=1.5..
A four cylinder, 3.6 liter CI engine operates with a compression ratio of 18 and an air fuel ratio of 17. The engine operates on a dual cycle. The maximum pressure is limited to 12 MPa and the maximum temperature is limited to 3600 K. Assume that ..
two steel e30000 ksi pipes 1 and 2 are connected at flange b. pipe 1 has an outside diameter of 6.625 in. and a wall
point a on circuilar disk is at angular position theta 0 at time t 0. disk has angular velocity omega 0.1 rads at t
crate slides down the section of the spiral ramp such that r .5zft and z 100 - .1t2ft where t is in seconds. if the
1. calculate the percent of the total resistance for external diffusion internal diffusion and surface reaction.2.
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