Final answer:
The crankshaft pulley operates belts to turn the alternator and water pump.
Step-by-step explanation:
The statement in the question is True. The crankshaft pulley does operate belts to turn the alternator and water pump in an automobile. The crankshaft pulley is connected to the crankshaft of the engine and rotates along with it. The pulley is attached to the drive belts, which in turn drive the alternator and water pump.