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The gasoline at point C and time t has an acceleration given by a=(-12i+40k) ft/s^2 where i and k are the horizontal and vertical unit vectors. Find the rate of increase of the piezometric head and the pressure in the x,y,z and a directions.
If a mechanical device requires 450J of work to do 310J of work in lifting what is the efficiency of the device?
A HEPA (high efficiency particulate air) filter is monitored periodically for replacement. Specifications state that if the pressure drop across the filter exceeds 1 inch of water, the filter should be replaced.
0.1 moles of an ideal gas contained in a piston-cylinder assembly undergoes the heat pump cycle shown below. The cycle operates counter-clockwise. Evaluate the coefficient of performance.
Rigid members ABC and DEF are joined with steel links BE and CF using 25mm pins. The links are made of 25mm thick 50mm wide plates and are single shear. Determine the maximum normal stress in each of links BE and CF
Describe the equation for charging a water tank. Use: H= 2m, A_s = 1m^2, density water = 1000kg/m^3, K = 2000kg hr^-1 Mass flow in = K t. Calculate how long will it take to charge completely the tank
Laboratory analysis methodology to be used. Give details on the standard methods, instrument and detection limits. Standard methods for heavy metals analysis exist
After injecting 50 MMSCF (14.7 psia and 60 oF), the pressure increase from 2500 to 3500 psia. Deviation factors for the gas are 0.90 at 3500 and 0.80 at 2500 psia and the bottom-hole temperature is 160 oF. What is the cubic feet of gas storage spa..
An asset has an initial cost of $45,000 at the end of 4 years the salvage value of the asset is $5,000. Using the sum of the years' digits, calculate the accumulated depreciation at the end of the 4 years.
What type of exercise takes place in a classroom setting arranged to look like an emergency operations center or in an actual emergency operations center, and involves simulation using written, telephone, and radio messaging.
Assuming uniformly decelerated motion, determine the velocity and acceleration of point C of the belt, (a) immediately before the power is turned off. (b) 9 s later.
A wheel has an initial clockwise angular velocity of 12 rad/s and a constant angular acceleration of 3 rad/s2. A) Determine the number of revolutions it must undergo to acquire a clockwise angular velocity of 15 rad/s.
The 75 lb block is released from rest 5 ft above the plate. Determine the compression of each spring when the block momentarily comes to rest after striking the plate.
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