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A rectangular channel carries a discharge of 2.00 m3/sec per meter of channel width over a weir crest that is 1.4 m in height. The energy grade line upstream of the weir measure 2.7 m above the channel bottom. Determine the true coefficient of discharge in the weir equation, considering the energy losses. Also determine the amount of the energy losses in meters.
The centres of the piers in a bridge are 8.0m apart. The piers are each 0.8m wide. Water flow under the bridge with an upstream depth and velocity of 4.0m and 4.0m/s respectively. The pier has a drag coefficient Cd = 1.5.
Determine the required pumping rate. the aquifer has T= 1600 m2/day and the wells each have radius of influence of 600m.
an incident occurs on a freeway that has a capacity in the northbound direction, before the incident, of 4000 veh/h and a constant flow of 2900 veh/h during the morning commute.
If the coordinate direction angles for F3 are a=120degrees, b=45degrees, y=60degrees, determine the magnitude and coordinate direction angles of the resultant force acting on the eyebolt.
A girder that carries a uniformly distributed dead load of 1.7 K/ft plus its self-weight and three concentrated live loads of 15 kips at quarter points of that 36 ft span is to be sized.
How does the engineering classification of soils differ from he engineering classification of rocks
A truck is hauling a 300-kg log out of a ditch (20 degree incline) using a winch attached to the back of the truck. Knowing the winch applies a constant force of 2500N and the coefficient of kinetic friction between the ground and the log is 0.45
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.
Flue gas containing NO2is then treated by an air pollution control equipment with 85% efficiency. Determine the annual emission rate of NO2 leaving the air pollution control device.
The pressure at the end of the bend is 78 pounds per square inch. Determine the horizontal components of the forces necessary to hold the bend in place.
An open rectangular tank 1m wide and 3m long contains water to a depth of 1m. If the height of the tank sides is 1.5m, what is the maximum horizontal acceleration (along the axis of the tank) than can develop before the water spills
develop the relation between bulk unit weight, specific gravity, void ratio and weight of water.
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