Draw a sketch of the following situations identifying the system or control volume, and the boundary of the system or the control surface: (a) The combustion gases in a cylinder during the power stroke.
(b) the combustion gases in a cylinder during the exhaust stroke.
(c) a balloon exhausting air.
(d) an automobile tire being heated while driving.
(e) a pressure cooker during operation.

Attached below

Explanation:

a) combustion gases in a cylinder during the power stroke is A closed system

b) Combustion gases in a cylinder during the exhaust stroke is an Open system

c) A balloon exhausting air is an Open system

d) It is a system

e) This is a control volume

Attached below is the sketch of the following situations

the correct answer is c.stops after infancy and childhood.

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