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A relatively unfit worker with resting heart rate of 80 beats/min starts his job of palletizing boxes. At the morning break, an industrial engineer quickly measures the worker's heart rate and finds a peak value of 110 beats/min one minute after stopping work and a value of 95 beats/min three minutes after stopping work. What can you conclude about the work load for this worker?
Calculate the average velocity (rnps), crosssectional area (rn"), and depth (m) for the stretch. To make these estimates, assume that the stretch can be idealized as a rectangular channel.
For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?
The volume of a sphere is V=4/3pir^3. Prepare a table of volume versus radius which allows the radius to vary from 2.0 to 10.0 cm in 1 cm increments. Plot the data as a graph on log log paper showing the volume to radius relation
A rigid horiztonal bar is suspended from two springs and is subjected to a vertical force of F0 = 158.8 kips. Each spring has a stiffness k = 14.7 kips/inch. If L1 = 11 inches and L2 = 11 inches, use strain energy to calculate the deflection of th..
An ethanol plant distills alcohol from corn. The distiller processes 2.0 t/h of feed containing 15% alcohol and 82% water; the rest is inert material. The bottoms (waste) produced is 85% of feed and contains 94% water, 3.5% alcohol, and 2.5% inert..
a storage tank has a diameter of 80 ft, a height of 25ft and contains oil to a height of 15ft. the suction pumps, which can handle 15000bbl/d, are started, but the safety valves are clogged and a vacuum is drawn in the tank.
A horizontal rectangular concrete channel terminates in a free outfall. The channel is 4m wide and carries a discharge of water 12 cms. What is the water depth 300 m upstream from the outfall
Hydrogen sulfide (H2S) is an odorous gas that can be stripped from solution by gas stripping. The efficiency of the process will strongly depend on the pH of the solution. The equilibrium reaction is: in a pocess similar to ammonia.
Consider a $50000, 30 years loan at 12% APR with monthly uniform payments. What portion of the 263rd payment goes towards reducing the principal and what portion is interest
A piston-cylinder device contains 0.2kg of water initially at 800 kPa and 0.06m^3. Now 200 kJ of heat is transferred to the water while its pressure is held constant. Determine the final temperature of the water.
A hollow circular shaft is loaded in pure torsion. Describe how the shear stress due to the applied torque varies on a cross section whose unit normal vector lies parallel to the long axis of the shaft.
Describe mathematically and explain the Principle of Linear Impulse and Momentum. What is Conservation of Linear Momentum and how is it related. What is the difference between Linear Momentum and Angular Momentum.
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