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The parallelogram linkage shown moves in the vertical plane with the uniform 8-kg bar EF attached to the plate at E by a pin which is welded both to the plate and to the bar. A torque (not shown) is applied to link AB through its lower pin to drive the links in a clockwise direction. When θ reaches 60° the links have an angular acceleration and an angular velocity of and respectively For this instant calculate the magnitudes of the force F and torque M supported by the pin at E.
It is known that the velocity distribution for steady, laminar flowin circular tubes (either horizontal od vertical) isparabolic. Consider a 10 -mm- diameter horizontal tubethrough with ethyl alcohol is flowing with a steady mean velocity.15 m/s.
A “Cold Air-Standard Brayton cycle” gas-turbine power plant delivers a net power output of 60 MW to an electric generator. The compressor intake temperature is 300 K and the maximum temperature in the cycle is 1200 K.
A 3220-lb car enters an S-curve at A with a speed of 60 mi/hr with brakes applied to reduce the speed to 45 mi/hr at a uniform rate in a distance of 300 ft measured along the curve from A to B.
An oil storage area abandoned 19 yrs ago had oil spilled on the ground and saturated the soil at a concentration of 400mg/kg of soil. A recent soil sample shows a concentration of 20mg/kg.
Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon? In prestressing work, if more than one wire or strand is included in the same duct, why should all wires/strands be stressed at the sa..
Two control points A "station" (1000E, 1000N) and B "backsight" (594.22E, 877.68N) are available within the area. Indicate the procedure to satisfy the orientation and calculate the required total station reading towards B.
The 90lb door has its center of gravity at G. A)Determine the components of reaction at hinge A if hinge B resists only forces in the x and y directions and A resists forces in the x,y,z directions.
An oil storage area abandoned 19 yrs ago had oil spilled on the ground and saturated the soil at a concentration of 400mg/kg of soil. A recent soil sample shows a concentration of 20mg/kg
If the BOD5 of a municipal wastewater is 310 mg/L and the BODU is 340 mg/L, determine the BOD reaction rate constant (base e). What would be the 3 day 30°C BOD Assume, temperature coefficient = 1.047.
Depending on the needs and understanding the applications, technology, and operations of your organization will help in making the right decisions when acquiring an EHR system
A hypothetical water treatment train consisting of coagulation/flocculation unit, filtration unit and chlorination system is used to treat surface water characterized by bacterial concentration of 800,000 CFU/L.
A car has the following characteristics: weight = 18000 N; cross-sectional area = 2.5 m^2, drag coefficient = 0.5; rolling friction coefficient = 0.02. The energy content of gasoline is 3.5E10^7 Joules/Liter.
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