Thermal expansion(6) An aluminum tube is 30000m long at 20oC. What is its length at (a) 1000C and (b)OoC?(7) What is the change in length of a rod made up of 2000m of copper and 1000m ofaluminum placed end to end as it moved from an ice water bath to a steam bath?(8) A structural steel l-beam is 15m long when installed at 200C. How much will its lengthchange over the temperature extremes -30oC to 500C?ANS. 1.32cm(9) A metal rod made of some alloy is to be used as a thermometer. At 0oC its length is40000cm, and at 1000C its length is 40060cm. (a) What is the linear expansioncoefficient of the alloy? (b) what is the temperature when its length is 39975cm?(10) A hole with diameter of 2cm is drilled through a stainless steel pate at roomtemperature (200C). By what fraction (Dr/r) will the hole be larger when the plate isheated to 1500C?(11) Calculate the fractional change in volume (Dv/v) of an aluminum bar that undergoesa change in temperature of 300C.

In the given question, given that initial temperature and initial length then we have to determine…

Answered: (6) An aluminum tube is 30000m long at…

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(6) An aluminum tube is 30000m long at 200C. What is its length at (a) 1000C and (b) OoC?

College Physics

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ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter14: Heat And Heat Transfer Methods

Section: Chapter Questions

Problem 20PE: (a) It is difficult to extinguish a fire on a crude oil tanker, because each liter of crude oil...

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Question

Thermal expansion
(6) An aluminum tube is 30000m long at 20oC. What is its length at (a) 1000C and (b)
OoC?
(7) What is the change in length of a rod made up of 2000m of copper and 1000m of
aluminum placed end to end as it moved from an ice water bath to a steam bath?
(8) A structural steel l-beam is 15m long when installed at 200C. How much will its length
change over the temperature extremes -30oC to 500C?
ANS. 1.32cm
(9) A metal rod made of some alloy is to be used as a thermometer. At 0oC its length is
40000cm, and at 1000C its length is 40060cm. (a) What is the linear expansion
coefficient of the alloy? (b) what is the temperature when its length is 39975cm?
(10) A hole with diameter of 2cm is drilled through a stainless steel pate at room
temperature (200C). By what fraction (Dr/r) will the hole be larger when the plate is
heated to 1500C?
(11) Calculate the fractional change in volume (Dv/v) of an aluminum bar that undergoes
a change in temperature of 300C.

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