GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Created by James Watt; used coal to heat water to boiling to run engines; improved transportation and allowed factories to be built anywhere because they did not need to be water-powered
A
steam engine
B
gas engine
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The first useful steam engine was invented by Thomas Newcomen in 1712. The Newcomen engine was used to pump water out of mines. Steam power really took off with improvements made by James Watt in 1778. The Watt steam engine improved the efficiency of steam engines considerably.

Detailed explanation-2: -It was both more efficient and more cost-effective than earlier models. What’s more, Watt’s steam engine opened up an entirely new field of application: it enabled the steam engine to be used to operate rotary machines in factories such as cotton mills.

There is 1 question to complete.