Sociology Term Coining Year
The foundational term 'sociology' was coined by the French philosopher Auguste Comte.
He introduced this term in the year 1839.
Comte proposed 'sociology' to denote the scientific study of social patterns and structures.
Important Questions from Basic Concepts
The friction force exerted by air on a moving body is called ----
A series of processes to joint various parts to get a complete product is known as _____
The fixing of different parts of a machine properly as per the requirement is called _____.
Arrange the following lamps based on the increasing power rating and energy consumption to provide the same level of Illumination or lighting
A. Incandescent Lamp with efficacy of 10 lumens/watt
B. Compact fluorescent lamp (CFL) with efficacy of 60 lumens/watt
C. Halogen lamp with efficacy of 20 lumens/watt
D. Mercury vapour lamp with efficacy of 40 lumens/watt
E. Light Emitting diode (LED) lamp with efficacy of 80 lumens/watt
Choose the correct answer from the options given below:
- The device in machine which feeds thread in sufficient quantity and tightens loop is :
