66) Which of the following refrigerant has the lowest freezing point?
Answer is:
Freon-12
Related ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key
Answer is:
It is solidified form of Carbon dioxide
Answer is:
atmospheric pressure
Explanation:
Atmospheric pressure: The atmospheric air exerts a normal pressure upon all surfaces with which it is in contact and it is known as atmospheric pressure. Atmospheric pressure is also known as barometric pressure. Barometer is used to measure atmospheric pressure.
