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the weight of a sample of coarse aggregate was measured under various conditions with the following results:
oven-dry weight in air 1076.3 g
air-dry weight in air 1083.3 g
saturated-surface-dry weight in air 1089.2 g
weight of saturated sample in water 681.5 g
calculate a) air-dry moisture content
b) absorption capacity
c) effective absorption
d) bulk specific gravity
e) saturated surface-dry bulk specific gravity
The shaft diameter is 100 mm. Calculate the largest principal stresses and maximum shear stress that will occur in the shaft.
Calculate the compression resistance of 200 UC 59.5 column which is 3.6 m high (between lateral supports). Both ends of the stanchion are held effectively in position but only one is also restrained in direction. Use grade 43 steel
Knowing that as a box B is released, the preceding box A has slid 6 meters down the slope and that 1 second later they are 10 meters apart, determine the following: (a) The value of trelease (b) The acceleration of the boxes.
a 3000 lb car has a maximum speed of 140 mi/h with 16-in radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. it is known that at the cars top speed the engine is producing 220 ft-lb of torque.
Find the percentage of Air voids and voids in the mineral aggregate if the asphalt absorption is .5%, and the specific gravities of the aggregate and binder are 2.660 and 1.020 respectively. The unit weight of the mixture is 2.39 Mg/m^3
You have a $1,500 monthly loan payment. If inflation is 3.5% annually (compounded monthly). What is the constant dollar amount of this payment in your 80th month
A 1m diameter pipe bend is carrying water with a steady flow rate of 2 m3/s. The bend has an angle of 90o and lies in a horizontal plane. The volume of water in the bend is 1.5 m3 and the empty weight of the bend is 4 kN.
The total flow then moves to a point W on the traction drive two metres off the ground, and travels through a nine millimetre diameter conduit. Ignoring all friction and minor losses, determine the pressures at points H and W.
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
An aluminum alloy tube with an outside diameter of 2.9 in. and a wall thickness of 0.32 in. is used as a 19-ft-long column. Assume that E = 8300 ksi and that pinned connections are used at each end of the column.
A system consists of a gas confined between a cylinder and piston such that work and heat may cross the boundary. What type of system is that. What type of system is a free body as used in mechanics or civil engineering.
A vertical parabolic curve is to be used as a sag curve, and it is desired to know the location and elevation of the low point. The curve is 750ft long , and the minus grade of 3.6 percent intersects the plus grade of 6.2 percent at station 240+80..
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