141S16 A1

What is the typical output level of a marine alternator?

• a) 120 or 240 volts
• b) 12 or 24 volts
• c) 480 volts

What is the typical output level of a marine alternator?

• a) 120 or 240 volts
• b) 12 or 24 volts
• c) 480 volts

What is the typical engine speed for a diesel electric locomotive when providing Head End Power (HEP)?

• a) 600 RPM
• b) 900 RPM
• c) 1200 RPM

What type of generator is used in diesel-electric locomotives?

• a) AC dynamo generator
• b) DC dynamo generator
• c) Synchronous generator

What type of generators are commonly used in electric power grids?

• a) Alternators
• b) DC dynamo generators
• c) AC dynamo generators

What is the advantage of using alternators instead of dynamo generators in automobiles?

• a) Alternators are cheaper to produce
• b) Alternators are more efficient
• c) Alternators are smaller in size

How do diesel electric locomotives differ from traditional locomotives powered by steam engines?

• a) Diesel electric locomotives use a synchronous generator
• b) Diesel electric locomotives use AC traction motors
• c) Diesel electric locomotives do not require a steam boiler
• d) All of the above

What is the primary difference between a prime power alternator and a standby power alternator?

• a) Prime power alternators provide power for longer periods of time
• b) Standby power alternators are smaller in size
• c) Prime power alternators are only used in emergency situations

What is the source of mechanical energy for generators in power generation stations?

• a) Steam turbines
• b) Water turbines
• c) Internal combustion engines

What is the function of the rectified power produced by a marine alternator?

• a) To charge the engine starter battery
• b) To power the marine navigation systems
• c) To supply AC power to the onboard appliances