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GATE Previous Year Questions: Disk Clutch, Machine Design Video Lecture - Mechanical Engineering

FAQs on GATE Previous Year Questions: Disk Clutch, Machine Design Video Lecture - Mechanical Engineering

1. What is a disk clutch?
Ans. A disk clutch is a type of mechanical device used to transmit torque from one shaft to another. It consists of two circular plates, one attached to each shaft, and a series of friction disks sandwiched between them. When the clutch is engaged, the friction between the disks allows torque to be transferred from one shaft to the other.
2. How does a disk clutch work?
Ans. A disk clutch works by using friction between the disks to transmit torque. When the clutch is engaged, pressure is applied to the disks, causing them to tightly grip each other. This friction allows torque to be transferred from the driving shaft to the driven shaft. When the clutch is disengaged, the pressure is released, and the disks separate, preventing torque transfer.
3. What are the advantages of using a disk clutch?
Ans. There are several advantages of using a disk clutch. Firstly, it provides a high torque capacity, making it suitable for heavy-duty applications. Secondly, it allows for smooth engagement and disengagement, reducing wear and tear on the system. Additionally, disk clutches are compact and lightweight, making them suitable for space-constrained applications. Finally, they offer good heat dissipation, allowing for sustained operation without overheating.
4. What factors should be considered in designing a disk clutch?
Ans. When designing a disk clutch, several factors should be considered. Firstly, the torque capacity required for the application needs to be determined. This will influence the size and number of friction disks needed. Secondly, the material selection for the friction disks is crucial, as it affects the friction coefficient and wear resistance. Other factors to consider include the type of actuation mechanism, the required engagement time, and the desired operating temperature range.
5. What are the common applications of disk clutches?
Ans. Disk clutches are widely used in various applications. They are commonly found in automotive vehicles, where they are used in the transmission system to engage and disengage gears. Disk clutches are also used in industrial machinery, such as pumps, conveyors, and printing presses. Additionally, they are used in power transmission systems, agricultural equipment, and marine propulsion systems.
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