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Draw the given truss with all zero-bars removed. If the structure is stable and statically determinate, solve the forces in all of the bars of the truss using hand calculations. Indicate tension (T) or compression (C). If it is stable and determinate, check your answers using Risa 2D eductional software and print out a screenshot of the deflected shape.
The condenser in a refrigerator receives R-134a at 700 kPa and 50C, and it exits as saturated liquid at 25 C, The flow rate is 0.1 kg/s,and the condenser has air in at an ambient temperature of 15 C and leaving at 35 C. Find the minimum flow rate ..
At 25 C, approximately what pressure in MPa must be applied to water to reduce its volume by 2%
One cubic meter of nitrogen at40oC and 340 kPa iscompressed isoentropically to 0.2 m3. Calculate the finalpressure and temperature when the nitrogen is reduced to that volume.
Car moving 54 km/h when light is 240 m away turns red. Light stays red for 24 seconds. If the motorist wishes to pass the light just as it turns green without having to stop, what is the required uniform deceleration of the car and what is the speed ..
In an undisturbed soil formation, it is known that the dry soil weight is 115pcf. The specific gravity of the soil particle is 2.75.a) What is the saturation wet unit weight of the soil b) What is the submerged weight of the soil
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
Solid waste production in the United states was 4.3lbs/person-day. Calculate the potential methane production in one year for a land fill that serves a community of 50,000 people.
At what point on the expressway should the motorist step on her brakes in order to reduce her speed to the maximum allowable on the ramp just before entering the ramp
For the beam loading, (a) draw the shear and bending-moment diagrams, (b) determine the magnitude and location of the maximum absolute value of the bending moment.
A 10 m diameter particle of unit density falls through air starting from rest. calculate the time required for the particle to attain 70% of the final terminal speed and the distance traveled by the particle during the time.
A 12%, $50,000 bond is offered for sale at $45,000. If the bond interest is payable monthly and the bond matures in 20 years, what nominal effective rates of return per year will the purchaser make on the investment
Determine the minimum length of a sag vertical curve if the grades are ?4% and +2%. Design speed is 70 mph. State assumptions used, consider the following criteria:
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