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The specific heat (C sub p) of aluminum is 0.214 calories per gram degrees Celsius (0.214 cal/g-C). If a cube of aluminum with a mass of 13.6 kg exhibits a change in temperature of +30 degrees Celsu
If I raise a 1000 lbf weight 100 feet above sea level on earth in 10 seconds how much power will be required
1. 260 watts of electrical power consumption. 2. External temperature (cooling air inlet temperature) = 77 degrees Fahrenheit 3. Safety (touching) specification (cooling air outlet temperature) = 1
The velocity of the center point of the wheel is constant at 20 ft/sec to the right. For the instant, determine the following: a) The velocity and acceleration of point B (which is attached to the whe
The 30-Mg freight car A and 20-Mg freight car are moving towards each other with the velocities of VA= 20km/h and VB=10 km/h. A spring mounted on A has k=3 MN/m Determine the maximum compression of
Determine the force in each member of the truss and state if it is in tension or compression. Set P=400 lb and d=4 ft.
The piezometers are 280 m apart. The difference in piezometric head bewteen the two is 1.4 m. The aquifer hydraulic conductivity is 50 m/d and the porosity is 20%.
What diameter of vertical tube would allow mayonnaise ( p = 1200 kg/m3) to flow under its own weight
The smooth surface that provides the support at C lies in the y-z plane. Determine the reaction components that the ball and socket exert on rod ABC, the tension in cable BD, and force the smooth wa
Member ABC is supported by cable CD and a square collar at A that fits loosely over the smooth square rod. Determine the tension in cable CD. The smooth rod is fixed at its base and cannot rotate.
The blue plane supporting the roller lis parallel to the xy plane. Force P=600N loads the plate at C. Compute the reaction components that hinge A and roller B exert on the triangular plate.
H = h - N. At point A, the geoid correction is -100 feet; the ellipse height is 100'. What is the NAVD88 elevation of point A
H = h - N Point B has a geoid correction of -100', and a NAVD88 elevation of 100'. What is the point B ellipse height
which design checks that are performed on a rectangular clarifier are not performed on a circular clarifier
The channel, which will be unlined, is to carry discharge of 1250 cfs under uniform flow condition and the velocity is not to be exceed 5 ft/sec. Design for the maximum allowable slope pf the channe
The system is released from rest with no slack in the cable and the spring stretched 120 mm. The coefficient of kinetic friction between the 10 kg cart is 0.25 and the mass of block m is 6.3 kg.
a piston/cylinder contains liquid water at 2 degrees Celcius, with a freely moving piston maintains a pressure of 200 kPa on the water. Heat transfers to the liquid water until the piston/cylinder c
A chemical plant uses a tube-within-a-tube counterflow heat exchanger to heat air with the use of steam. During steady state operation, the air flows into the exchanger at a rate of 5
Water in the amount of 1 lb is contained in a rigid closed tank. Initially the water has a quality of 0.4 at a pressure of 10 lbf/in2. Through a stirrer, work is provided to the water in the tank un
Biomass is increasingly used as a fuel to produce power and heat. A sugarcane-? processing mill is powered by a biomass power plant with 140 MW of electricity and with 60 MW of heat in the form
One kilogram of air (which behaves as an ideal gas) in a piston-cylinder assembly is subjected to two separate processes from the same initial to the same final state: at the initial state the
A municipal WWTP discharges 22.5 MGD of secondary effluent containing 45 mg/L of ultimate BOD at 26.7 C with 1.3 mg/L of dissovled oxygen. The stream flow is 237 ft^3/s at an average velocity of 2.1
Calculate carbonate, noncarbonate, and total hardness Na+ = 27.8 mg/L Cl- = 35.6 mg/L Ca+2 = 48mg/L CO3-2 = 30 mg/L Mg+2 = 12mg/L HCO3- = 61 mg/L K+ = 12 mg/L SO4-2 = 48 mg/L
38 mL of 0.02 N HCl is added to neutralize 50.0 mL of lime water (Ca(OH)2). Calculate the hardness of lime water as mg/L as CaCO3 and mg/L as Ca(OH)2.
The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is attached to hooks at G and H. If the tension in the cable is 1125 N (thus 1125 N in section BG a