# Manova

2 years ago

Mechanical Design Engineer

Member since May 26, 2019 manovaje@gmail.com

### Why is the cooking time reduced in the pressure...

When the pressure is normal the cooking items absorb less heat and so the cooking time is high. When the pressure is high the cooking...

### Why does a water bottle or 20 or 25 litre...

When you pour the water from a bottle making the bottle upside down the water comes out and there is a space created inside the bottle....

### What is PCD? How to calculate the distance...

PCD stands for pitch circle diameter. If there are certain number of holes are in a circle and divided equally then we say the diameter...

### When you drop a heavy metal ball and a feather...

The speed of any objects which fall on the earth when it is simply dropped from a certain height is same without any medium (without...

### Why does a needle or paperclip float on...

Due to surface tension of the water on the surface the needle floats. Consider the water surface like an elastic rope. When a small...

### Spanner / Wrench or Allen key sizes for...

It may be a mechanical industry or a mechanical workshop or whatever, the use of fasteners are inevitable. It may be a large industry...

### How does the water or juice move upwards...

While we drink the water through straw we suck the air inside the draw. While we suck it some air inside the draw comes up to our...

### Why is the water in the earthen pot cool?

The earthen pot contains small pores. The water tries to go out through this holes but it gets evaporates on the outer surface of...

### Why do we pour hot tea from higher to lower...

If the tea is poured in a plate the tea will be cooled fast. But if it is in glass then it will cool slowly. From this we can understand...