1) Which engine burns fuel internally? a) steam b) quantum c) coal d) combustion 2) What turns the wheels of a car? a) piston b) crankshaft c) exhaust valve d) turbine 3) What does an exhaust valve do? a) control the amount of steam leaving b) control the amount of steam entering c) control the heat inside the boiler d) control the amount of fuel being burned 4) How much does water expand when turned into steam? a) 170x b) 2000x c) 1700x d) 200x 5) When was the steam engine invented? a) 1600s b) 1700s c) 1800s d) 1900s 6) Which engine uses coal or wood as fuel? a) Internal combustion b) Stomach c) Wood stove d) Steam 7) What's the difference between a piston and a turbine? a) One is only used in internal engines, the other only in external b) One produces work and the other requires work to function c) One produces lateral motion and the other produces rotational motion d) One was used in the 1700s and the other in the 2000s 8) What's the major difference between a steam engine and a combustion engine? a) One burns fuel externally and the other burns it internally b) One uses a piston and the other uses a turbine c) One requires steam and the other requires snow d) One requires a fuel source and the other does not

Topic 7 - Mechanical Systems

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