Dr. Reddy's Engineer Interview Questions and Answers

Gears are mechanical components that transmit power and motion between rotating shafts. Two-stroke and four-stroke engines are types of internal combustion engines.

• Gears are used to change the speed, torque, and direction of power transmission.

• Two-stroke engines have a simpler design and are lighter than four-stroke engines.

• Four-stroke engines are more fuel-efficient and produce less pollution than two-stroke engines.

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A latch machine is a digital circuit that stores data and can be used for memory and data storage applications.

• A latch machine is a type of flip-flop circuit that can store a single bit of data.

• It can be used for memory and data storage applications.

• It is commonly used in digital systems such as computers and microcontrollers.

• Examples of latch machines include D-latch, SR-latch, and JK-latch.