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A car has a 10-ft wheelbase (L). the center of gravity is 18 inches about the ground and 5 ft behind the front axle. The weight of the car is 2500 lb. mechanical efficiency if the drivetrain is 85%. and the wheel radius is 15 inches. The engine of the car develops 200 ft-lb of torque. the overall gear reduction ratio is 8 to 1.
(a) if the car is front-wheel drive. what is the maximum acceleration from rest of the car on good, wet and level pavement?
(b) if the car is rear-wheel drive what is the maximum acceleration from rest of the car on good, dry pavement with a 5% upgrade slope?
Saturated steam (at 20 bar) is used to heat up a toluene stream from 40oC, 1 bar to 150oC, 1 bar in a heat exchanger. The toluene stream is flowing at a rate of 100 kg/min. Steam leaves the heat exchanger as a saturated liquid at 20 bar.
What is the maximum column load in kips that could be placed on a 4-ft square temporary footing on a sand for which the standard resistance is about N=15 and the water table is at the surface? A factor of safety of 2 is to be maintained against be..
A surface water sample has been evaporated until dry in a crucible dish. The dry (tare) weight of the crucible is 44.642gm. The weight of the residue plus the cruciible is 44.6484gm.
A plant is to be constructed that will emit 3.5 metric tons of hydrogen sulfide per day. One of the design criteria is that the concentration 1 km downwind from the stack
If the resultant force is directed along the boom from point A towards O, determine the values of x and z for the coordinates of point C. Set F sub B equal to 1490 N and F sub C equal to 2320 N.
For two 0.2 m long rotating concentric cylinders, the velocity distribution is given by u(r) = 0.4/r - 1000r m/s. If the diameters are 2 cm and 4 cm, respectively, calculate the fluid viscosity if the torque on the inner cylinder is measured to be 0...
A channel of a rectangular section is to take a certain discharge Q at critical flow; prove that for the wetted perimeter, P=b+2y to be minimum, the water depth must be three-quarters of the width
A hyetograph has a uniform rainfall intensity of 1.5 in/hr in the first hour, 2.0 in/hr in the second, and 0.75 in/hr in the third. Calculate the direct runoff (in inches) using the SCS method. Assume a curve number of 65.
A flow of 600cfs is measured at a depth of 3.4 ft in trapezoidal channel with bottom width of 25ft and side slopes of 3:1(h:v). The channel reach has a slope of .002. Estimate the channel roughness.
A hazardous waste incinerator is to burn 200 Kg/h of PCB waste that is 30 % PCB and 70 % organic solvents. During testing phase, the concentration of PCB in the emission was recorded as 0.025 g/ m³
An industrial building has floor area of 5 m by 8 m and is 3 m high with a door 1 m wide and 2 m high. Leakage of transformer oil from a pump occurs and is ignited. What is the maximum area of spill in (m^2) if flashover is to be avoided.
Compute the detention time and horizontal flow through velocity. Do these values satisfy the standards for water works, which stipulate detention time is greater and equal to 30 min and 0.5 ft/min =
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