1.
The following are other names for torpedoes except
Correct Answer
D. Mobile torpedo
Explanation
The given question asks for the name that is not associated with torpedoes. The options provided are "Automotive torpedo," "Fish," "Locomotive torpedo," and "Mobile torpedo." Among these options, all except "Mobile torpedo" are commonly used names for torpedoes. "Automotive torpedo" refers to a torpedo launched from a vehicle, "Fish" is a nickname given to torpedoes due to their streamlined shape, and "Locomotive torpedo" is a term used for torpedoes launched from trains. Therefore, the correct answer is "Mobile torpedo," as it is not a commonly used name for torpedoes.
2.
The use of torpedoes started in the very early
Correct Answer
A. 1900s
Explanation
The use of torpedoes started in the 1900s. This is because torpedoes were initially developed and used in warfare during the late 19th century, with significant advancements made in the early 20th century. The 1900s saw the widespread adoption and deployment of torpedoes by various naval forces around the world, making it the correct answer in terms of the timeline of torpedo development and usage.
3.
Which of the following persons introduced the word torpedo?
Correct Answer
A. Robert Fulton
Explanation
Robert Fulton is the correct answer because he was an American inventor who is credited with inventing the first practical submarine, which he named the "Nautilus." This submarine was equipped with a torpedo, which was a self-propelled explosive device used to destroy enemy ships. Fulton's invention and use of the word "torpedo" to describe this weapon popularized the term and it has been used ever since to refer to similar weapons.
4.
Which of the following created the early spar torpedoes?
Correct Answer
D. Cornelius Drabbel
Explanation
Cornelius Drabbel is the correct answer because he is the one who created the early spar torpedoes. The other options, Cornelius Chase, Chris Dewaine, and King Show, are not associated with the creation of spar torpedoes.
5.
The first self propelled torpedo was invented by
Correct Answer
B. Robert Whitehead
Explanation
Robert Whitehead is credited with inventing the first self-propelled torpedo. He was an English engineer who developed the torpedo in the 1860s. Whitehead's design incorporated a compressed air engine, which allowed the torpedo to travel underwater and strike its target. This invention revolutionized naval warfare, as it provided a new and effective means of attacking enemy ships.
6.
The first self propelled torpedo was invented in
Correct Answer
A. 1875
Explanation
The correct answer is 1875. This is the year when the first self propelled torpedo was invented.
7.
The torpedo created in 1890 moves with the speed of
Correct Answer
B. 56 km/h
Explanation
The torpedo created in 1890 moves with the speed of 56 km/h. This means that it can travel a distance of 56 kilometers in one hour. This speed is relatively fast for a torpedo, allowing it to quickly reach its target or cover a large area in a short amount of time. The high speed of the torpedo increases its effectiveness and makes it harder for enemy ships to evade or counteract.
8.
The prototypes of guided torpedoes were built by these persons except
Correct Answer
D. Louis Brennan
Explanation
The question asks for the person who did not build a prototype of guided torpedoes. John Ericsson, John Lay, and Victor Von Scheila are all known for their contributions to the development of guided torpedoes. However, Louis Brennan is not associated with building prototypes of guided torpedoes, making him the correct answer.
9.
The idea of aerial torpedoes was conceived 1915 by
Correct Answer
B. Bradly Fiske
Explanation
Bradly Fiske is the correct answer because he is credited with conceiving the idea of aerial torpedoes in 1915. The other individuals mentioned in the question, Thomas Edward, Charles Edmonds, and Samuel Morison, are not known for their involvement in the conception of aerial torpedoes.
10.
An example of liquid fuel used in heated torpedoes is
Correct Answer
C. Kerosene
Explanation
Kerosene is the correct answer because it is commonly used as a liquid fuel in heated torpedoes. Kerosene has a high energy content, which makes it a suitable choice for powering torpedoes. It is also relatively stable and has a low freezing point, allowing it to remain in a liquid state even in extreme conditions. Additionally, kerosene is readily available and cost-effective, making it a practical choice for military applications.