153 Electrics L4

What must a crankshaft do to start a engine?

• Rotate

• run backward

• reciprocate

• oscillate

What is item pictured

• Dynamo

• Alternator

• Starter motor

• fuel pump

What material are the connections to the commutator?

• Carbon

• Brushless

• Nylon

• Copper

A commutator allows the power supply to?

• Reverse flow in coil

• Flow in in coil in constant direction

• pulse flow in coil

• insulate coil from magnets

Rotational speed in a motor can be increased by?

• Increase magnetic field

• reduction in turns of coil

• decreasing magnetic field

• reducing current

What does a solenoid do?

• connects battery to starter

• Connects starter to flywheel

• Operate the coil

• reduce vibrations

What is item pictured?

• Relay

• Solenoid

• Starter switch

• Alternator

The carbon brushes have springs to allow them to spin freely?

• True

• False