Questions

South Africa hosted the 10th edition of BRICS Summit 2018 in Johannesburg on July 25. 

Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung i.e, primarily causes shortness of breath due to over-inflation of the alveoli.

First, emphysema causes holes to gradually form inside the lungs' air sacs, thereby weakening their internal structure and inhibiting the exchange of oxygen and carbon dioxide.

Rana Pratap Sagar Dam is built on Chambal river in Rajasthan.

A nurse cannot diagnose a patient among the given options. 

Malaysia is a Southeast Asian country occupying parts of the Malay Peninsula and the island of Borneo. It's known for its beaches, rainforests and mix of Malay, Chinese, Indian and European cultural influences. The capital, Kuala Lumpur, is home to colonial buildings, busy shopping districts.

Synchronous motor is a motor which runs at a constant speed irrespective of load attached to it. So the speed regulation of synchronous motor is ZERO.