General Knowledge Questions

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor. The capacity of the air conditioning depends entirely on the capacity of the compressor. The reciprocating compressor is usually used in AC.

The reciprocating compressor have piston and cylinder arrangement like the automotive engine. The reciprocating motion of the piston due to external power compresses the refrigerant inside the cylinder.

There are three types of reciprocating compressors:

hermetically sealed,

semi-hermetically sealed and

open type.

PSLV - C37 vehicle was used for ISRO's successfully launch of 104 satellites.

The scarcity definition of economics is credited to Lionel Robbins.

National Productivity Council (NPC) is celebrating National Productivity week from February 12th to 18th, 2019. This year its theme is "Circular Economy for Productivity & Sustainability”.

The Progressive Movement:

Today, you hear the term ''progressive'' discussed a lot in politics, but progressivism is not a new concept. It was first used to describe policies and interventions of the late 19th to early 20th century, by reformers who felt the need for societal changes.

The first Progressives felt called to action in response to the conditions of poverty, inequality, and corruption that were pervasive during the 19th century.