The cylinder head is another main part of an engine. It is a ____ between the cylinder head and cylinder block. It is usually made up of cast ____ and ____ alloy. The cylinder head is attached to the cylinder block using ____ fixed to the block gaskets, which are used to provide a tight leak proof joint between the head and block. The cylinder head contains a combustion ____ above each cylinder. And it also contains valve ____, valve ____, ports, coolant jackets, and threaded holes, for spark ____. It incorporates passages for the flow of cooling water. There are three different types of cylinder head which depends upon the valve and port layout. In the loop flow type, the inlet and the exhaust manifolds are on the same side, which facilitates preheating of the intake air. In the offset cross flow type, the ____ and the exhaust ____ are placed on different sides of the cylinder head. In the inline cross flow type, the ____ are positioned transversely and usually inclined to each other, while the inlet and the exhaust manifolds are on different sides of the cylinder head.

Cylinder head

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