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Common Sense Questions

Why do some planes leave long trails, but others don’t?

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Why do some planes leave long trails, but others don’t

The 1st thing about trails is that it’s not smoke. Those long-lasting white traces you are seeing in the sky are condensation trails (contrails) from all sorts of aircraft engines leaving behind water vapor in the air.

Planes flying through the dry air meaning Outside a cloud, generally do not form contrails, but those flying through the wet air meaning inside a cloud do form contrails.

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Common Sense Questions

Why aren’t plastic bags completely banned in India?

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Why aren’t plastic bags completely banned in India?

We cannot ban plastic bans completely until we find a cost-effective replacement and a sustainable means to deliver it to all corners of our country.

A blanket ban on such products will disrupt everything and we will lose more than what we lose as a result of plastics.

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Common Sense Questions

Why are Indian flags brought down at sunset?

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Why are Indian flags brought down at sunset

Indian flags brought down at sunset because there is a provision of keeping the National Flag hoisted only when there is enough lighting towards the Flag.

Hoisting the Flag after sunset, that is under low lighting is seen as a mark of disrespect towards our National Flag. But, a few years back, Congress politician Mr. Naveen Jindal filed a PIL regarding the allowance of the hoisting of National Flag beyond sunset under proper lighting. Mr. Naveen gave an explanation that if proper lighting is available, the National Flag can be hoisted.

After this PIL court agreed and allowed the National Flag to be hoisted beyond sunset too. After this, at various places, one can see the National Flag being hoisted on 24×7.

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Common Sense Questions

Why is there a cross mark on the backside of an Indian Railways?

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Why is there a cross mark on the backside of an Indian Railways

Cross mark on the backside of the train is for Last vehicle verification of train.

This mark is always put on the last bogie of the train which signifies that train is complete & intact.

If that last vehicle with the cross mark is missing that means some bogies are separated from the rain.

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