General Science Quiz - Questions & Answers - 28 July 2014

1. What strictly works on the principle of dipole movement of the water molecules?
[A]Microwave Oven
[B]Refrigerator
[C]Air Conditioner
[D]Electric Geyser


2. Which waves are most commonly used in the Night Vision devices?
[A]Micro Waves
[B]Infra Red Waves
[C]Ultra Violet Waves
[D]Radio Waves


3. What is the part of the "DTH Satellite dish" that converts the signals from electromagnetic or radio waves to electrical signals?
[A]Block up converter
[B]Parabolic dish
[C]Low-noise block converter
[D]Orthomode transducer


4. Fermi' is a unit of _______________.
[A]Frequency
[B]Length
[C]Velocity
[D]Mass


5. Which of the following Vitamin is added to the milk in some countries as it is lost during the process of fat removal(skimming)?
[A]Vitamin B
[B]Vitamin D
[C]Vitamin A
[D]Vitamin C