Sovi AI

题目

解题步骤

1. Understand the question

   what year did james watt introduce his improved version of the steam engine? 1781 1776 1787 rewatch submit

2. Brief Explanations

   James Watt introduced his improved version of the steam engine in 1781. Historical records indicate that in 1781, Watt patented the rotative steam engine, which was an improved version of the earlier steam engine designs.

3. Final answer

   1781 (the option with "1781")

答案

Question Analysis

OCR Text

what year did james watt introduce his improved version of the steam engine? 1781 1776 1787 rewatch submit

相关知识点

关联题目

• Write out the questions

  1. faster wear due to improper alignment and aggressive driving habits 2. A sudden, explosive, rapid loss of air pressure from a tire 3. opposite; other vehicles 4. It immediately…

• at the beginning of day 1, there were one hundred of each color bean. t…

  - There will be more dark red kidney bean survivors. - There will be fewer light red kidney bean survivors. - There will be more dark red kidney bean offspring the next morning.

• Short

  1. A stack of mail in a mailbox: New mail is placed on top, so older mail sits at the bottom, matching the "oldest at bottom, newest at top" rule of superposition. 2. (Whale examp…

• a cylinder has a height of 7 feet and a diameter of 12 feet. which meas…

  $490$ square feet

• question 28 (0.5 points) which activity level describes someone who exe…

  Very active

• Explain 2

  1. The equation is dimensionally correct, as both sides have dimensions $LT^{-1}$. 2. The velocity equation is $v = k\sqrt{g\lambda}$ (where $k$ is a dimensionless constant). 3. D…

• what did james watts add to the steam engine to make it more profitable…

  condensors (the option with "condensors" - note: sometimes spelled as "condensers" but the option here has "condensors" which is likely a typo for "condensers")

• what did the electrical light take the place of? gas lights incandescen…

  A. gas lights

Sovi AI iOS

官网：mysovi.ai。题库页面域名：question-banks.mysovi.ai。iOS 应用通过 Apple App Store 提供。