General Knowledge Questions

Any of the basic mechanical devices for applying a force are called simple machines.

There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw. Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

Now a days, printers we are using are called as laser printers. The speed of a laser printer is measured in PPM i.e, Pages Per Minute. 

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.

Compared to inkjet printers which use ink for printing laser printers are more expensive as they use toner which lasts for long.

Makthabs taught the primary education to muslims during the period of sultanate

The China-sponsored Asian Infrastructure Investment Bank (AIIB) has approved $160 million loan for Andhra Pradesh – 24×7 Power for All project with an objective to strengthen power transmission and distribution system in the state. It is the first credit from the AIIB for an Indian project. The power project is co-financed by the World Bank (WB). The project is part of the Government of India’s Power for All Program that was launched in 2014 to provide an efficient, reliable and affordable electricity supply to all consumers across selected states within five years from the start of implementation of the program in each state.

The two main components of air are nitrogen and oxygen. They are seperated by the fractional distillation of liquid air. Liquefied air contains liquid nitrogen and liquid oxygen. Liquid nitrogen with the lower boiling point more readily evaporates than the less volatile liquid oxygen.