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The electric motor at A exerts a torque of 800N.m on the steel shaft from A to D. This has a torque of -300N.m at B and -500N.m at C. the dimensions are
shaft(a-b)=0.4m
shaft(b-c)=0.6m
shaft(c-d)=0.3m
Design specificaions require that the diameter of the shaft be uniform from A to D and that the angle of twist between A to D not exceed 1.5 degrees.
Knowing that the masximum shear stress must not be greater than or equals to 60Mpa, and G= 77GPa, determine the minimum diameter shaft that can be used.
If a 1.0 m3/s flow water treatment plant uses 10 sedimentation basins with an overflow rate of 15 m3/day.m2, a-what should be the surface area (m2) of each tank?( i got this part right the answer is 567 m2)
Assume that the design temperature and residence time have been established as 1300 degrees F and 0.6 seconds, respectively. The type of burner used in the process requires outside air at a mass ratio of 12:1 (air to fuel gas).
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.
The measurements of the nominal shear strength (in kN) for a sample of 15 prestressed concrete beams are as follows: 580 400 428 825 850 875 920 550 575 750 636 360 590 735 950
An obstruction is lodged in a 10-ft wide rectangular channel (n = 0.022) that has a botom slope of 0.005. The depth of the channel just upstream of the obstruction is 5.0 ft. If the flow rate is 325 cfs, what is the channel and flow classification
Calculate the dry unit weight, the saturated unit weight and the buoyant unit weight of a soil having a void ratio of 0.70 and a value of Gs of 2.72.
A 2-ft diameter circular pipe has a Manning's n of 0.013 and a bed slope of 2.0 X 10^-3. What is the uniform flow rate in this pipe if it is completely full (Qf) in ft^3/s? What is the centerline uniform water depth (y0) in the channel if the flow, Q..
Water, initially dry saturated vapour at 4 bar, lls a closed rigid con- tainer. The water is heated until its temperature is 400C. Determine the work done and the heat transfer.
When the Mars Exploration Rover was fully assembled, its mass was 180 kg. The acceleration due to gravity at the surface of Mars is 3.68 m/s2. a) What was the rover's weight when it was at sea level on Earth
how many tons of coarse aggregate will be required to fill a trench 5 ft deep, 3 feet wide and 300 feet long. the coarse aggregate unit weight equals 93.6 lb per cu ft.
The drawdown in another observation well 60 m from the pumping well is 1.1 m. Calculate (a) the hydraulic conductivity of the aquifer, (b) the expected drawdown in the pumping well,
Draw the influence line for the tension in the cable as a point load travels across the beam. Find the maximum tension in the cable due to a live point load of 6 k on the beam.
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