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A man having the mass of 77 kg sits in the chair which is pin-connected to the frame BC. If the man is always seated in an upright position, determine the magitudes of the horizontal and vertical reactions of the chair on the man at the instant \theta = 45^\circ. At this instant he has a speed of 6 {\rm m/s}, which is increasing at 0.5 {\rm m/s^2}
A cylindrical tank 5-m in diameter is filled with water to 3-m depth. A very short horizontal pipe with 20-cm diameter and rotary valve is used to drain the tank from the bottom. How long does it take to drain the tank to 50%?
Estimate the convective heat transfer coefficent for natural convenction from a horizontal steam pipe. The outside surface temperature of the insulated pipe is 80 degree C. The surrounding air temperature is 25 degress C.
Solid waste will be applied in 0.6 m "lifts" and will be compacted to a depth of 0.3 m. Daily cover soil will be applied to a depth of 0.15 m for the first four days of the operation in any week. At the end of the fifth day, a "weekly cover" layer..
Soil with a unit weight of 19.65 kN/m^3 is loaded on the ground surface by a strip load of 1.5 m wide. The strip load is 365 kN/m of wall length. Determine the vertical stress increment due to the strip load and the total pressure
A train which is traveling at 80 mph applies its brakes as it reaches point A and slows down with a constant deceleration. Its decreased velocity is observed to be 60 mph as it passes a point 1/2 miles beyonds A.
A rear-wheel-drive 3000lb drag race car has a 200-inch wheel base and a center of gravity 20 inches above the pavement and 140 inches behind the front axle. The owners wish to achieve an initial acceleration from rest of 15 ft/s on a level paved s..
A 35 percent-efficient coal-fired power plant with effective height of 100 m emits SO2 at a rate of 0.6 lb/10^6 Btu into the plant. If winds are assumed to be 4 m/s at the stack height and just over 3 m/s at 10 m
Assume that the width of the intersection in 24 ft and the car is 20 ft long. If the driver's perception-reaction time is 0.75 seconds, determine if he can clear the intersection safely for the following conditions
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
Help with a site plan - Design on paper to add some other things in it.
Find the concrete cross-section and steel area required for a simply supported rectangular beam with a span of 20 ft that is to carry a computed dead load of 1.3 k/ft and a service live load of 2.25 k/ft. Material strengths are fc’ = 5000 psi and fy ..
What is the smallest diameter pipeline that may be used to carry 6.3 L/s (100 gpm) of water if the flow is to be laminar
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