Category: Today’s topic

Flat belt drives are friction drives but how?

Belt drives are A) Friction drives B) Positive drives C) Both Can you guess from the image? Answer- A) Belt drives are friction drives, as the power transmission is done through the friction between the pulley and belt. There are minor power losses during transmission due to slip. Positive drives have zero losses during transmission. […]

Internal expanding Brakes are radial brakes

What type of brakes used in the locomotives or trains?A) RadialB) AxialC) Both A & B Check the below image and guess. Answer- Both (C) Internal expanding brakes are commonly used in trains. They expand radially with the help of hydraulic cylinders and compressors. Disc brakes are also used in the high speed trains and […]