GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The refrigerator was invented to help keep food from spoiling in the heat. Who was the German who invented it?
A
Isaac Newton
B
Carl Von Linde
C
Benjamin Franklin
D
George Washington
Explanation: 

Detailed explanation-1: -Carl von Linde, a German scientist, invented a portable compressor refrigeration machine using methyl ether in 1873, and in 1876 switched to ammonia. In 1894, Linde also developed new methods for liquefying large amounts of air.

Detailed explanation-2: -Carl von Linde was a German engineer (born on June 11, 1842 – died on November 16, 1934). Linde was best known for his refrigeration and gas separation technologies.

Detailed explanation-3: -In 1914, engineer Nathaniel B. Wales of Detroit, Michigan, introduced an idea for a practical electric refrigeration unit, which later became the basis for the Kelvinator. A self-contained refrigerator, with a compressor on the bottom of the cabinet was invented by Alfred Mellowes in 1916.

Detailed explanation-4: -He discovered a refrigeration cycle and invented the first industrial-scale air separation and gas liquefaction processes, which led to the first reliable and efficient compressed-ammonia refrigerator in 1876.

There is 1 question to complete.