Where does the power for the mechanical fuel pump come from?

A. Piston size

B. Absence of valves

C. Cooling system

D. Lubrication system

A. Universal joint

B. Hinge joint

C. Ball and socket joint

D. Pivot joint

A. Engine vibration

B. Engine cooling

C. Development of the backpressure

D. Engine configuration

A. Under part-load operation

B. Under full load operation

C. Under no-load operation

D. Under sudden acceleration

A. Increase of air velocity

B. A decrease in air velocity

C. A decrease in fuel flow

D. Decrease of manifold vacuum

A. One valve

B. Two valves

C. Three valves

D. Four valves

A. To set the spark plug gap

B. To set the ignition advance

C. To set the contact breaker gap

D. To set ignition timing