Category: Today’s topic

Which side of the belt is tight side if driver pulley is rotating in clockwise direction? A) Top side B) Bottom side C) both sides are tight side Can you guess from the image? Answer- B In the belt drive, when the driver pulley rotates clockwise direction, the bottom side of the belt get pulled […]

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. […]

Is mass of the person same on Earth and Moon? A) YesB) No Can you guess from the image? Answer- A Mass is just the matter contained inside the body. Lots of people get confused between mass and weight. When a gravity force is acting on the mass of the body, you will get the […]

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 […]