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The company you work for makes the casting for the rectangular pan (300 mm long x 200 mm wide x 60 mm deep with a 3 mm thick walls and base). The handles are added in a secondary process. A new model (400 x 250 x 70 mm) with 4 mm wall thickness is in design. 1. Assume n=2 and estimate the relative solidification time compared to the current model (show work) 2. The sales director wants to "modernize the design by making all the corners "sharp" and the walls "flat". Is that a good idea? Why?
Determine the rate of heat loss from the molten salt per meter length of the pipe.
a steel ring of mean diameter 250 mm has a square section 2.5 mm by 2.5 mm. it is split by a narrow radial saw cut. the
i need the answer with calculating steps and details. assignment attached as a jpeg for reference
a 250-kg crate b is suspended from a cable attached to a 20-kg trolley a which rides on an inclined i-beam as shown.
which of these two processes will produce the largest amount of work? (You must provide a full explanation for your choice).
a truck is traveling at v0 60mph when the driver applies the brakes to come to a stop. the deceleration of the truck
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hou..
compute the second specimen's radius after deformation.
a hydrogen tank 25 cm in diameter and 80 cm in height is charged to 150 atmospheres at room temperature 25 c. a
a cast-iron cylinder of 300mm bore carries a pressure of 30 newtons per squaremillimetre what should be its thickness
a rigid tank is filled with refrigerant r-134a at 310 k. an electric current of 0.2 amps over 220 volts is passed
Determine the amount of steam produced per hour, if the total heat loss is 10% of the heat available for steam raising - What would be the new heat transfer area if the fluids were in parallel flow
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