Midterm Quiz 2

What is the primary function of a purifier in an industrial system?

• To increase the temperature of the oil

• To separate water and impurities from the oil

• To add additives to the oil

• To cool the oil

Which component in a purifier system is responsible for creating the centrifugal force necessary for separation?

• Gravity disk

• Bowl

• Motor

• Water inlet

What is a common cause of excessive vibration in a purifier system?

• Low oil temperature

• Misalignment of components

• High water content in oil

• Overfilled oil reservoir

Which of the following is a typical consequence of microbial contamination in oil?

• Formation of sludge

• Increased viscosity

• Decreased density

• Enhanced lubrication properties

What is the effect of dirt contamination in oil?

• Improved lubrication

• Increased wear and tear on engine parts

• Enhanced fuel efficiency

• Reduced engine noise

Which component in a ram-type steering gear system is responsible for converting hydraulic pressure into mechanical movement?

• Hydraulic pump

• Hydraulic cylinder

• Electric motor

• Rudder stock

In an electro-hydraulic steering gear system, what is the role of the electric motor?

• To generate hydraulic pressure

• To monitor steering performance

• To control the helm

• To move the rudder directly

Which type of steering gear system combines electric motors with hydraulic systems for power transmission?

• Ram type

• Rotary vane

• Electro-hydraulic

• All-electric

 What is a key consideration when choosing a steering gear system for a vessel?

• Vessel size and space constraints

• Engine type

• Cargo capacity

• Fuel efficiency

Which type of steering gear system is most commonly used in modern ships due to its balance between power and efficiency?

• Ram type

• Rotary vane

• Electro-hydraulic

• All-electric