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During a hot air balloon race one specific balloon, initially at rest, accelerate vertically upward at a constant rate of a=4.5 ft/s^2 when t0=42 s from the ground the surface, which is at an altitu
The velocity out of the tube may be approximated by V = √(2(p-patm)/ρ), where p is the absolute tank pressure. Determine the time at which the pressure (gage) in the tank is 20 kPa if the
The incinerator burns 50 tonnes per day (1 tonne= 1 metric ton= 1000kg) and exhausts gases in a ratio of 20kg of gases per kg of feed. Assume the gases exit at 200*C and 1atm.
A previously calibrated rotometer is being used to measure a gas flow. Calculate the true volumetric flow rate of methane in the rotometer whe. The rotometer reads 4.0.
A stack (T=550*F and P=750mm Hg) was sampled using EPA Method 5. The total gas volume that flowed through the dry gas meter was 2.785 cubic meters (at T=60*F and P=800mm Hg). The mass of particles c
Determine the height of capillary rise of benzene in a clean glass tube of 0.01 inches ID at a temperature of 20 degrees Celsius. Assume λ = 65 degrees Celsius.
A water treatment plant has 6 settling tanks that operate in parallel (the flow gets split into six equal flow streams), and each tank has a volume of 600 m3.
A fixed beam of span 6m carries point loads 20kN and 15kN at 2 m and 4 m from the left end respectively. Find the support movements draw SFD and BMD
Calculate the ionic packing factor for fcc NaCl. Take the atomic radii for Na and Cl as 0.097 and 0,181 nm respectively.
The coefficient of rolling resistance can be taken to be a constant for all speeds, equal to 0.008. If the cyclist is coasting down a 6% grade, what is the maximum speed attained
A 2-inch diameter glass pipe is connected to a pipe network in which the pressure is 70 psig. If the length is 300 feet and the outlet is 10 feet above the pipe, determine the flow rate.
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.
the vertical portion of the press shown below consists of rectangle tube of wall thickness t=8mm. knowing that the press has been tightened on wooden planks being glues together until P = 20 kN,
All the silt is saturated even after the water table is lowered. (In this problem, treat the unit weight above the water table as bulk unit weight and the unit weight below the water table as satura
Let us pretend you are an earthwork construction control inspector and you are checking the field compaction of a layer of soil. After compaction in the field, the density of soil was checked by exc
A car travels along a circular path such that its speed is increased by a_t=0.5e^t(m/s^2) ,where t is in seconds. The radius of curvature of the path is 30m. Determine the magnitude of its velocity
For a temperature of 10 degree C, calculate the time needed for the following particles to settle 0.3m: a) a 20um mineral particle with a specific gravity of 2.1, and b) a 2 um organic particle with
When the athlete releases the shot it is 1.82m above the ground and its initial velocity=13.6 m/s. Determine the horizontal distance the shot travels form the point of release to the point where it
A course has true azimuth of 157 degrees 15 minutes and a length of 325 feet. What is the departure of the course
The minimum clearance between the roadway and the waterline must be 6 feet. The PVI is located at station 19+00.00 with elevation 420.50 feet. The design speed of the curve is 55 mph, g1 is +3%, and
Rope segment BC creates an angle of phi2 = 74.0^\circ with the floor and rope segment CD creates an angle theta with the horizontal. If both ropes BCA and CD can support a maximum tensile force T3 =
what would the height of a water tower with a 500 gallon tank have to be, to bring water ( by gravity ) from sealevel over a distance of 2.5miles with an elevation of 300ft
The output takes the form of a series of peaks where each peak corresponds to a component and a peak area (A) is proportional to the moles (n) of the component ( n = kA) in the sample injected in th
Structural steel beams are to be placed at 7ft 6in on center under a reinforced concrete floor slab. If they are to support a service dead load D=64 psf of floor area and a service live load L=100 p
The density of an ideal gas decreases by 10% when compressed isothermally from 10 atm to 11 atm. Determine the percent decrease in density of the gas if it compressed isothermailly from 1000 atm to