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What are Dynamometer & Types of Dynamometers, TOM, Mechanical Engineering, GATE Video Lecture

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FAQs on What are Dynamometer & Types of Dynamometers, TOM, Mechanical Engineering, GATE Video Lecture

1. What is a dynamometer and what is its purpose?
Ans. A dynamometer is a device used for measuring the power and torque output of an engine or motor. Its purpose is to accurately measure and analyze the performance characteristics of these machines.
2. What are the different types of dynamometers?
Ans. There are several types of dynamometers, including: - Absorption dynamometers: These types of dynamometers absorb the power output of an engine or motor and convert it into heat. Examples include the hydraulic, electric, and hydraulic-electric dynamometers. - Transmission dynamometers: These dynamometers measure the torque and power output of an engine or motor by transmitting it through a system of gears or belts. Examples include the belt, epicyclical, and eddy current dynamometers. - Power absorption dynamometers: These dynamometers dissipate the power output of an engine or motor through an external load. Examples include the hydraulic and electric dynamometers.
3. What is the significance of dynamometers in mechanical engineering?
Ans. Dynamometers play a crucial role in mechanical engineering as they allow engineers to accurately measure and analyze the performance of engines and motors. This information is vital for optimizing the design, efficiency, and reliability of these machines, leading to improved performance and reduced energy consumption.
4. How does a dynamometer work?
Ans. The working principle of a dynamometer depends on its type. For example, absorption dynamometers absorb the power output of an engine or motor and convert it into heat, while transmission dynamometers measure torque and power by transmitting it through a system of gears or belts. In both cases, the dynamometer is connected to the engine or motor and measures the force or torque applied during operation, allowing for accurate power calculations.
5. How are dynamometers used in GATE exams?
Ans. In the Mechanical Engineering GATE exam, questions related to dynamometers may be asked to test the understanding of the principles and applications of these devices. It is important for GATE aspirants to have a clear understanding of dynamometers, their types, and their significance in order to answer such questions accurately and score well in the exam.
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