Ball | MCQs

Explanation

Ball bearing reduces friction by using smooth balls lubricated with oil or grease

that freely roll between a smooth inner and outer surface.

SH5-8-2023

Explanation

Submarines operate based on Archimedes' principle.

It allows them to control buoyancy and submerge or surface by adjusting their density relative to the surrounding water.

Explanation

In the 2018 ball-tampering scandal, three Australian cricketers, Cameron Bancroft, Steven Smith, and David Warner, were banned for their roles in the incident.

Explanation

On 23rd, May 2019 Pakistan successfully conducted a “training launch” of a ballistic missile Shaeen ii capable of carrying both nuclear and conventional warheads up to 1500 kilometers.

Explanation

On 17 October 2022, Alexia Putellas won the Ballon d'Or Feminin for the second consecutive year, making her the first female to win the award twice.

Explanation

Real Madrid striker Karim Benzema has won the men's Ballon d'Or for 2022 on 17 October 2022 in France. 

Explanation

North Korea fired eight short-range ballistic missiles towards the sea off its east coast on June 5, 2022, likely its largest single test, a day after South Korea and the United States ended joint military drills.

Explanation

 The standard weight of a cricket ball used in professional matches ranges between 155.9 grams (5.5 ounces) and 163 grams (5.75 ounces).

This weight is mandated by the International Cricket Council (ICC) for international matches and is consistent across all game formats.

Explanation

In the ball and bowl system, the mean position (also known as the equilibrium position) is at the center of the bowl.

This is the position where the ball comes to rest when it is not disturbed.

Explanation

The Election Commission of Pakistan is responsible for the printing of ballot papers, ensuring security and integrity throughout the election process.