Safety Questions meo classIV

1,What Do You Mean By Priming Of Pumps?

 Ans:The Pump Should Be Full Of Liquid Between Suction Valve And Discharge Valve And Any Air In The Pump Should Be Purged Through Venting Pump

 

2,What Is An Eductor? What Is It?s Use Onboard?

Ans: An Eductor Is A Non Mechanical Pump Which Consists Of Water Jets Supplied From Some  High Pressured Pump Discharging Into Suction Chamber Which Is Connected To A Suction Line.the High Pressure Jet Discharged From The Nozzle Entrance.

 

3,What Are The Classes Of Fire?

      Ans:

            Class A-carbonaceous Materials(wood,paper,etc)

            Class B -liquid Fire,oil Fire

            Class C-gaseous Fire,electrical Fire

            Class D-metallic Fire(magnesium, Potassium)

 

4,What Are The Causes Of Fire In E/r?

    Ans:   Free Air Flammable Materials Are Readily Available In The E/r Only Heat Is Required Which Can Be Generated By

                I. Electric Spark

                Ii. Leakage Of Exhaust Gases

                Iii.Spontaneous Combustion

                Iv.Friction(overheating Of Moving Parts)

                V.Radiations(valve,hot Pipe)

                Vi.Portable Lights

         Vii.Hot Works Such As Welding,grinding,drilling,cutting,etc(flammable Sibstances Such As L.o.f.o,e/r Waste,oil Fumes,paints Etc)

 

5,What Classes Of Fire May Occur In E/r?

        Ans:  Class B And Class C Fires.

6,What Action Will You Take Incase Of Fire In The E/r?

Ans: Duty Engineer, inform Bridge and Run to the Fire Station If Fire Is Uncontrolled, If Small Fire Extinguish Fire with Appropriate Fire Extinguisher

 

7,Where Are Fire Hoses Located In The E/r?

   Ans:  On The Bottom Platform 2 Nos(one Port Side-one Stbd Side),in fire Hose Boxes Near The Fire Hydrant And One On Top Platform As Fitted As Per Ship?s Fire Plan

 

8,What Is International Shore Coupling?

        Ans: It Is A Coupling That Match With Any Shore Connection When The Ship Is In Any Port/dry Dock To Lake Shore Water Supply And Connect It To Ship\'s Fire Line

 

9,When Will You Use Co 2 Extinguisher In E/r?

        Ans: When There Is An Electrical Fire In The E/r

 

10,When Do We Use Fixed Fire Fighting Appliance?

        Ans:  When Fire Cannot Be Put Off With Portable Extinguishers When Co 2 Flooding Is Operated .

 

11,Who Operates Fixed Fire Fighting Appliance?

       Ans:  Chief Engineer Is Solely Responsible And It Is He Who Decides To Use The Co2 Flooding System.

 

12,What Do You Mean By Co2 System?

      Co2 System Is A Fixed Fire Fighting System Used In Case Of Major Fire And It Is Meant To Flood The Engine Room In One Short After The Engine Room Personnel Are Out And All The Ventilation And Openings Are Sealed.

 

13,How Will You Fight The Electrical Fire In The Engine Room?

      Ans:  Shut Off Supply To The Circuit And Fight Fire With Portable D.c.p Co2 Cylinder.

 

14,When Will You Use Water Type Extinguisher?

      Ans:  On ?a? Class Fire.

 

15,What Is A Smoke Helmet ? When Will You Use It?

   Ans:  It Is A Fire Proof Helmet With Lighting Arrangement And It Is Used To Fight Fire In A Smoky Atmosphere.

 

16,When Will You Use A D.c.p Extinguisher?

     Ans:   To Be Used On Class A, Class C And Electrical Fire.

 

17,What Are The Sources Of Electricity On Board?

        Ans: Main Generator, Emergency Generator And Battery Pack.

 

18, Define Conductor?

      Ans:  Substances Which Allow The Flow Of Current Through It.

 

19,Define Insulators?

      Ans: Substances Which Does Not Allow The Flow Of Electricity Through It. Eg- Rubber , Mica, Paper, Wood Etc.

 

20,What Is Importance Of Emergency Generator On Board And Where It Is Fitted?

    Ans:  In The Event Of Main Generator Failure/ Blackout, Emergency Generator Causes Load Automatically And Gives Essential Supply For Navigational Equipments, Lighting. It Is Situated Outside The E/r.

 

21,State Various Dangers Association With Electrical Installations?

   Ans:  Short Circuit ? Due To Loose Connections And Overheating.Single Phasing- Due To Over Loading,improper Using, Improper Earthing,improper Mcb, Loose Connections.

 

22,State The Uses Of Battery On Board?

        Ans:    Supply Power To:-

A.       Start Emergency Generator

B.      For Emergency Generator

C.       Navigational Equipments And Lighting

D.      Alarms

E.       Communication/gmdss.

 

23,State The Uses Of Multimeter?

     Ans:  To Measure Voltage, Current, Resistance, To Find Out Short Circuit, Open Circuit Etc.

 

24,What Action Will You Take In Case Of Fire In Electrical Appliance?

      Ans:  Switch Off Supply, Disconnect From Socket And Put Off Fire With D.c.p Co2 Extinguisher.