ASVAB MECHANICAL, BASIC ENGINE COMPONENTS EXAM

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ASVAB MECHANICAL, BASIC ENGINE COMPONENTS EXAM

QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -11 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Connecting pod

Answer:

Connects the piston/wrist pin assembly to the engines crankshaft. The large end of the connecting rod attaches to the crankshaft..

Question 2: piston

Answer:

A cylindrically shaped object with a solid crown (top) that moves up and down in the engine's cylinders.

Question 3: intake valve

Answer:

allows air-fuel mixture to be drawn into the combustion chamber.

Question 4: Cylinder head

Answer:

located above the piston, it houses the combustion chamber, the intake and exhaust valves, and the intake and exhaust ports.

Question 5: combustion chamber

Answer:

Located in the cylinder head directly above the piston, it is where the actual combustion of the air-fuel mixture takes place

Question 6: Camshaft

Answer:

Responsible for the opening and closing of the engine's intake and exhaust valves

Question 7: Engine block

Answer:

forms the framework for the engine cylinders and reciprocating assembly

Question 8: Wrist pin

Answer:

connects the piston/wrist pin assembly to the engine's crankshaft.

Question 9: Crankshaft

Answer:

Converts the linear (straight line) motion of the piston into rotary motion, which can then be used to power a vehicle or drive an accessory

Question 10: exhaust valve

Answer:

Allows waste gases to be removed from the combustion chamber. When closed, it must seal the combustion chamber from the exhaust port

Question 11: Piston Rings

Answer:

Seal the piston to the cylinder and prevent combustion gases from leaking past. Oil rings prevent oil from the engine crankcase from making its way into the combustion chamber