Science Aptitude Questions and Answers - 13 August 2014

1. Knot is a unit of _______________.
[A]Distance
[B]Speed
[C]Depth
[D]Acceleration


2. What name is given to the metallurgical process used to coat steel or iron with zinc?
[A]Carbonization
[B]Galvanization
[C]Pasteurization
[D]Vulcanization


3. Minamata disease is related with _________________.
[A]Zinc
[B]Mercury
[C]Cadmium
[D]Iron


4. Which among the following gases are used in different types of welding?
[A]Oxygen, hydrogen, acetylene and nitrogen
[B]Oxygen and hydrogen
[C]Oxygen and acetylene
[D]Oxygen, acetylene and argon


5. One Nautical Mile is equivalent to how many meters?
[A]1610
[B]1756
[C]1852
[D]1780