Asingle-cylinder pump feeds a boiler through a delivery
pipeof 25mm internal diameter. the plu...
Engineering, 13.09.2019 18:20 mmaglaya1
Asingle-cylinder pump feeds a boiler through a delivery
pipeof 25mm internal diameter. the plunger speed is such as togive
a vlocity of 2 m/s. how many m3 ofwater can
be pumped into the boiler in 1 hour?
Answers: 3
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Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
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Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
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On solidification from a melt, the polymer polyethylene forms a semi-crystalline spherulite structure. (i) sketch an individual spherulite and label the amorphous and crystalline regions. (ii) draw a schematic to show the changes in specific volume with temperature during cooling from the melt, comparing it to the theoretical extremes of fully crystalline and fully amorphous (indicate tm and tg)
Answers: 2
Engineering, 06.07.2019 04:10
Ahousehold refrigerator operating steadily and with a coefficient of performance of 2.5 removes energy from a refrigerated space at a rate of 650 kj/h. evaluating electricity at $0.06 per kw.h, determine the cost of electricity in a month when the refrigerator operates for 360 hours.
Answers: 3
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