Hotel Service Unit 18 Q3 Quiz

Hotel service unit 18 Q3

1 / 10

What is the function of a vacuum breaker in an OWS system?

D) To control the discharge rate

A) To pressurize the bilge tank

B) To prevent backflow into the OWS system

C) To increase the oil content of bilge water

2 / 10

Why is it beneficial to have a bilge holding tank on board?

D) It is used for fuel storage

B) It allows for controlled discharge of bilge water when conditions permit

C) It lowers the amount of bilge water produced

A) It reduces the need for an OWS

3 / 10

Why is an oil drain tank important for an OWS system?

C) It cools the OWS system

B) It filters the bilge water

D) It reduces the need for frequent maintenance

A) It ensures separated oil is stored securely until disposal

4 / 10

What is the primary purpose of an oil drain tank in a bilge system?

A) To collect and hold separated oil from the bilge water

C) To serve as a temporary ballast tank

B) To filter clean water for use in the OWS

D) To drain water from the engine room

5 / 10

How does an oil detection probe help maintain regulatory compliance?

C) By filtering the bilge water

A) By shutting off discharge if oil content exceeds the allowable limit

D) By controlling water pressure

B) By heating the bilge water

6 / 10

Why is it critical to monitor the oil content of water discharged overboard?

D) To maintain the temperature of the water

C) To reduce crew workload

A) To increase the vessel’s speed

B) To comply with environmental regulations and prevent marine pollution

7 / 10

Why is preventing backflow into the OWS system essential?

B) To prevent contamination of processed water

C) To increase the bilge water flow rate

D) To lower fuel consumption

A) To reduce the amount of oil in bilge water

8 / 10

What is the primary purpose of an oil detection probe in an OWS system?

C) To measure the pH of the water

A) To increase the bilge water temperature

B) To detect the presence of oil in bilge water before discharge

D) To monitor salinity levels

9 / 10

What is the primary purpose of a bilge holding tank in an OWS system?

D) To separate oil from bilge water directly

B) To temporarily store bilge water before processing

C) To increase the vessel's buoyancy

A) To store clean water for ballast purposes

10 / 10

What is the purpose of an oil content discharge monitor in an OWS system?

B) To ensure discharged water meets the 15 ppm oil content limit

C) To adjust the flow rate of bilge water

D) To remove solids from the bilge

A) To increase oil levels in the bilge water

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