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A four-cylinder in-line engine has a reciprocating weight of 3 lb, a stroke of 6 in., and a connecting-rod length of 10 in. in each cylinder. The cranks are separated by 4 in. axially and 90° radially, as shown in Fig. 9.46. Find the unbalanced primary and secondary forces and moments with respect to the reference plane shown in Fig. 9.46 at an engine speed of 1500 rpm.
a weather ballon is launched into the atmosphere by meteorologists. when the balloon reaches an altitude where is is
The annual holding cost rate for this type of item has been estimated at 28%. What option is more economical?
Determine the time required by a diesel-electric locomotive, which produces a constant drawbar pull of 60,000 lb, to increase the speed of an 1800 ton freight train from 20 mi/hr to 30 mi/hr up to 1-percent grade. Train resistance is 10 lb per ton.
Four kilograms of water initially at 200 degree Celsius and 0.5 MPa undergo an isothermal, internally reversible compression process to the saturated liquid state. Determine the work and heat transfer involved in the process (in kJ). Sketch the proce..
A cylinder-piston assembly contains saturated liquid (H20) at 500F. The piston is 1 inch from the bottom of the cylinder. The system undergoes a constant temperature in which the fluid expands and the piston is raised to 86.45 inches above the bottom..
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
You must design a device that will remove the balls from the bucket, and deposit them into the box. You will have 60 seconds to remove balls.
A wheel is rotating at a uniform clockwise speed of 2 rad/s when a variable torque is applied to its shaft at time=0. As a result there is a clockwise angular acceleration which increases in direct proportion to the angle theta through which the whee..
a brick wall 3 m high 7.5 m wide and 200 mm thick has a thermal conductivity of 0.7 wmcelcius. the temperature on the
from the solar constant 1353 wm2 and the average distance between the sun and the earth r 1.49x1011m estimate a the
a 2 m3 tank containing nitrogen at 25oc and 500kpa is connected through a valve to another tank containing 3kg of
The bolt pattern shown has combined direct shear and torsion. Assuming the load on the bolts cause by the force P is not negligible, which bolt (A, B, or C) takes the most shear force?
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