Author Question: Steam turbine engines were an important development in the late 1800s because ____. a. they ... (Read 82 times)

fahad · **on:** Jul 21, 2018

Steam turbine engines were an important development in the late 1800s because ____.

a. they operated with a low pressure system that was safer than what was used before
b. their spinning action was almost soundless
c. they allowed boats to travel at speeds over 100 knots
d. they became the main source of electricity production in the U.S.

Question 2

Which type of coal below is described accurately?

a. Anthracite less dense and very brittle
b. Bituminous black, shiny and dense
c. Lignite a dull black low-density coal
d. Anthracite black, shiny and dense

patma1981 · **Reply #1 on:** Jul 21, 2018

Answer to Question 1

D

Answer to Question 2

D

fahad · **Reply #2 on:** Jul 21, 2018

Thanks

patma1981 · **Reply #3 on:** Jul 21, 2018

Welcome

Author Question: Steam turbine engines were an important development in the late 1800s because ____. a. they ... (Read 82 times)

fahad

Steam turbine engines were an important development in the late 1800s because ____. a. they ...

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patma1981

Steam turbine engines were an important development in the late 1800s because ____. a. they ...

fahad

Steam turbine engines were an important development in the late 1800s because ____. a. they ...

patma1981

Steam turbine engines were an important development in the late 1800s because ____. a. they ...