PUBLIC SERVICE COMMISSIONS

Global Search Engine

Your Favorite Questions

Who invented the first refrigerator?

0
A) Einstein
B) Oliver Evans
C) Carl von Linde
D) Jacob Perkins

Correct Answer: D) Jacob Perkins

Jacob Perkins built the first working vapor-compression refrigeration system in 1834.

Advertisement

[ Ad Banner Space ]

Discussion (0)

Discussion mein hissa lene ke liye login karna zaroori hai.

Login / Register

Koi comment nahi. Sab se pehle aap apna comment karein!

Related Questions

Sub Categories

Leave a Reply / Ask a Question