Curiosity Tea

2021-04-19 12:47:59 ​​How does Drum Brake work?

Two-wheelers such as Scooters, commuter Bikes, three-wheelers including auto-rickshaws widely use the Drum Brake system for braking. This type of brake system is used on the rear wheels of most hatchback cars, entry-level sedans & MUVs. It is also widely used on both front & rear wheels of trucks, buses, and other commercial vehicles in combination with hydraulic/pneumatic (either air-pressure or vacuum) brake actuating systems. This system is also known as the ‘Internal Expanding Shoe Type’ brake system. This type of brake got its name from the drum structure of cylindrical-shape. Inside this drum,  the parts of the conventional drum-brake system are housed. Hence, the name.

In the mechanical system such as in two-wheeler & an auto-rickshaw, the brake shoes are actuated by a cam, which is attached to the brake linkage & pedal. When you press the brake pedal, the cam turns. Thus, it causes the brake shoes to expand outwards and rub against the drum. The friction between the brake linings and the drum causes the drum to stop rotating; thereby stopping the wheel. When you release the brake pedal, the retracting springs bring the brake shoes back to their original position. This results in a gap between them and the drum and to again spin it freely. Open / Comment

2021-04-17 13:30:39 For Fact lovers Open / Comment

2021-04-16 11:47:25 ​​​​Why do Oil (fuel) Tankers have more than one Compartment instead of carrying all the quantity in a single one?

This is in order to create a baffle system. When transporting liquids, under acceleration and braking, inertia makes all of the fluid weight to act on one side of the container. Similarly, while cornering, the forces act sideways. Since such a characteristic poses as a safety risk as well as leads to quicker wear and tear of vehicle components such as the brakes, baffle system is used to break down the magnitude of forces.

Other than that, different compartments help to deliver to a wider variety of consumers. For example A may require lesser quantity of product than the full capacity of the container, and similarly with B and C and so on. Thus the container can carry the optimum load and deliver the same to A, B etc. as per their individual requirements. Open / Comment

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2021-04-14 18:37:51 ​​What is an Organoid and for what purpose they are used?

An organoid is a miniaturized and simplified version of an organ produced in vitro in three dimensions that shows realistic micro-anatomy.
Organoids are an excellent tool to study basic biological processes. Organoids enable to study how cells interact together in an organ, their interaction with their environment, how diseases affect them and the effect of drugs. In vitro culture makes this system easy to manipulate and facilitates their monitoring. Open / Comment

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2021-04-12 14:14:22 Do you like wallpapers Open / Comment

2021-04-12 12:09:14 ​​What is Acoustic Levitation and How does it works?

Acoustic levitation is a method for suspending matter in air against gravity using acoustic radiation pressure from high intensity sound waves. This is primarily due to the high intensity of sound required to counteract gravity.

Acoustic levitation uses sound traveling through a fluid usually a gas to balance the force of gravity. On Earth, this can cause objects and materials to hover unsupported in the air. In space, it can hold objects steady so they don't move or drift.
The process relies on of the properties of sound waves, especially intense sound waves. Open / Comment

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