Entries by Hannah Wangui

At what temperature would the wing be 6 cm (0.06 m) shorter

Question An aluminum wing on a passenger jet is 33 m  long when its temperature is 18°C.  At what temperature would the wing be 6 cm (0.06 m) shorter   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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How much longer is it when it contains boiling water at 1 atm pressure?

Question A brass vat is 15 m  long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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What is the engine’s efficiency (in percent)?

Question As a gasoline engine is running, an amount of gasoline containing 18,500 J of chemical potential energy is burned in 1 s. During that second, the engine does 3,700 J of work. (a) What is the engine’s efficiency (in percent)? (b) The burning gasoline has a temperature of about 4,400°F (2,700 K). The waste heat from the engine flows into air at about 84°F (302 K). What […]

 

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temperature

Question A machinist wishes to insert a copper rod with a diameter of 2 mm into a hole with a diameter of 1.993 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make it fit the hole?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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