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The vertical distance above the centerline of the pump inlet to the point of free discharge or surface level
the tank has a 180mm diameter and 12 mm wall thickness. knowing that the tank contains compressed air under a pressure of 8 Mpa, determine the magnitude t of applied torque for which the maximum normal stress in tank is 75 Mpa.
An economy with two produced commodities and labor has linear production processes represented by activity vectors (-1, -1, 3) and (-1, 2, -1), where the ?rst commodity is labor.
A batch of 20 tons of liquid copper is to be cooled from 2350°F to 2200°F by adding solid copper at 77°F . Assume no heat loss. What quantity of solid copper should be used?
a hydraulic shear applies 2000 lb force to a wedge. it is used to shear plate steel to rough size. the shear has a 14
An object whose mass is 400 kg is located at an elevation of 25 m above the surface of the earth. For g= 9.78/s2, determine the gravitational potential energy of the object, in kJ, relative to the surface of the earth.
what speed will the sleeve attain? The temperature oƒ the sleeve remains constant.
The thermal conductivity of compacted snow is 0.15 W/m · K. The temperature of the ice cap on which the igloo sits is -20°C and has the same thermal conductivity as the compacted snow.
A bullet is fired vertically at a latitude of 50 degrees N with a muzzle speed of 1000m/s. Neglecting air friction, determine the landing point of the bullet.
a sketch three-dimensional views of the unit cell of a b.c.c. crystal showing a 100 plane a 110 plane a 111 plane and a
1. Briefly explain what determines the characteristic color of (a) a metal and (b) a transparent nonmetal. 2. Briefly explain why some transparent materials appear colored while others are color- less.
It is required to design a low-voltage, high-current, shunt-excited DC motor for hoisting drive in industrial overhead crane system. The output power of the machine is expected to be between (20+X) hp. The copper losses in the machine should be be..
an electrical conductor is composed of a steel core 116 inch in diameter surrounded by a 364 inch thick shell of
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