Multiple Choice Question (MCQ)
Question: While thinking about learning, what are the questions you can ask yourself?
A.
What did I learn?
B.
Was it easy or difficult to learn?
C.
How can I learn better?
D.
All of these
Correct Answer: All of these
Explanation
Gauge Pressure: The pressure measured with the help of a pressure gauge is known as gauge pressure, in which atmospheric pressure is taken as datum. All the pressure gauges record the difference between the actual pressure and the atmospheric pressure. The actual pressure is known as absolute pressure. Mathematically
Absolute pressure= Atmospheric pressure + Gauge pressure (Positive)