Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Inventions
Question #6110
Back to Home
View All Inventions Questions
7 Views
Question
What Elmer A. Sperry invented?
A. Hydroplane
B. Hydraulic turbine
C. Magnetic compass
D. Gyrocompass
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Who invented the first practical refrigerator?
10
When was the first elevator built?
13
Which inventor created the first cotton spinning mill?
11
What significant event triggered India's diplomatic outreach involving visits to six European countr...
(Current Affairs)
20
What is the name of the civil society alliance in Nepal that alleged a conspiracy to restore monarch...
(Current Affairs)
10