Answer :

The statement that push tubes or pushrods connect the cam followers to the rocker arms is True.

In an internal combustion engine, the camshaft operates the valves through a system that typically involves several components, including cam followers, pushrods, and rocker arms. Here's how these components work together:

  1. Camshaft and Cam Followers:

    • The camshaft is a rotating shaft in the engine that uses cam lobes to translate rotational motion into linear motion.
    • Cam followers, also known as lifters or tappets, make contact with these cam lobes and follow the contour of the cam, converting the rotational motion into an up-and-down motion (linear motion).

  2. Pushrods:

    • Pushrods are long, slender rods in the engine that serve as a mechanical link between the cam followers and the rocker arms.
    • They transmit the motion from the cam followers (at the bottom) to the rocker arms (at the top).

  3. Rocker Arms:

    • The rocker arms are pivoted levers that increase the mechanical advantage of the pushrods' motion.
    • Pushrods push up on one end of the rocker arm, which in turn pivots and pushes down on the other end, usually to press down on the valve stem and open a valve.

This mechanical configuration is commonly found in overhead valve (OHV) engines, where the camshaft is located in the engine block, and the rocker arms are located at the top of the engine. This explanation shows how pushrods connect the cam followers to the rocker arms, confirming the statement is True.

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Rewritten by : Barada