Question

19 multiple choice 1 point how many degrees of crankshaft rotation would be required for a single piston to travel from bdc to tdc? 180° 360° 120° 90° 20 multiple choice 1 point which system is responsible for removing combustion gases from the combustion chamber? cooling system engine braking system intake system exhaust system

Explanation:

1. In an engine, when a piston moves from Bottom - Dead - Center (BDC) to Top - Dead - Center (TDC), the crankshaft rotates half a turn. A full turn of a circle is 360°, so half a turn is 180°.
2. The exhaust system in an engine is responsible for removing the combustion gases from the combustion chamber after the power - stroke. The cooling system cools the engine, the engine braking system helps in slowing down the vehicle using the engine, and the intake system brings in the air - fuel mixture.

Answer:

1. A. 180°
2. D. Exhaust system