ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

MEO Class 4 Oral and Written Questions Part 3

Updated on April 12, 2010

General Engineering Knowledge

  1. Why certain back pressure is maintained for purifier?
  2. What is the use of purifier breaks?
  3. Explain the functions of purifier centrifugal clutch?
  4. What are ALCAP purifiers?
  5. Explain the importance of gravity disc in a purifier?
  6. How will you manage your air compressor without automatic unloader?
  7. How will you confirm that air compressor valves are not leaking after overhauling?
  8. Why oil film is coated on a compressor air filter?
  9. Effect of air filter mesh size in an air compressor?
  10. What is the working principle of an air drier?
  11. Name five non metals used on board ships?
  12. Routine checks on a fixed foam fire fighting system?
  13. How many types of steels and brief their carbon contents?
  14. What is the material of safety valve?
  15. Define flash point, fire point, viscosity?
  16. How many types of propeller?
  17. What will you do if emergency alarm raise?
  18. What is the function of fire detector?
  19. What is saturation temperature?
  20. What is humidity?
  21. What is the material of cooler tubes?
  22. What is specific gravity?
  23. What is vacuum?
  24. What is meant by critical speed?
  25. What do you know about 'M' notices?
  26. What s the function of poker gauge?
  27. What s the function of lubricating oil?
  28. What is hydrostatic lubrication?
  29. What is inerting, purging and gas freeing in inert gas system?
  30. What are fire man's outfit?
  31. What is cetane number and calorific value of a fuel?
  32. How will you buy a boiler?
  33. What is the formula of stress in longitudinal and circumferential joint?
  34. Describe boiler starting procedure from cold?
  35. Why boiler water treatment is required?
  36. How many types of marine boilers are used on ships?
  37. What are the tests carried out for a low pressure boiler water?
  38. What is your action on finding high chloride levels in a boiler?
  39. What will you do if no water level in the gauge glass?
  40. How would you blow down a boiler gauge glass?
  41. What are boiler mountings?
  42. What will you check while watch on a boiler?
  43. What is allowable chloride content in boiler water?
  44. If the steam nozzle of the gauge glass is chocked then how will you confirm water level?
  45. Why purge a boiler furnace?
  46. What is superheated steam?
  47. How many types of boiler safety valve?
  48. Describe boiler survey procedure?
  49. How to check alkalinity, acidity, chloride content in boiler?
  50. Draw the lip clearance of safety valve?
  51. What is the difference between safety valve and relief valve?
  52. What is corrosion, erosion, and abrasion?
  53. Comment on materials of boiler construction?
  54. Why and how soot blowing is done?
  55. Describe automatic combustion system in a boiler?
  56. Why flame failure alarm comes and what will be your action?
  57. When do you start the boiler circulating water pump?
  58. How will you know that EGB is leaking and how to arrest the leak?
  59. How boiler safety valve is set?
  60. Show the calculation of safety valve area?
  61. What do you know about economiser?
  62. Describe setting of safety valve?
  63. What is steam hammering?
  64. What is manometer?
  65. What is steam trap?
  66. How will you prevent uptake fire?
  67. What is dry distillation?
  68. What action o be taken if oil is found in the cascade tank?
  69. What colour flame indicates efficient or poor combustion?
  70. What is Ogee ring?
  71. Where the boiler fusible plugs are used?
  72. What are the densities of boiler water and seawater?
  73. What is the diameter of safety valve?
  74. What is the purpose of blow down ring?
  75. Is there any arrangement for boiler safety valve draining?


    0 of 8192 characters used
    Post Comment
    • jabelufiroz profile imageAUTHOR


      7 years ago from India

      its cascade tank, not casecade tank.

      source of oil must be investigated depending on the type of oil present.

    • profile image


      7 years ago

      what action u take when found oil in casecade tank


    This website uses cookies

    As a user in the EEA, your approval is needed on a few things. To provide a better website experience, uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

    For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at:

    Show Details
    HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
    LoginThis is necessary to sign in to the HubPages Service.
    Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
    AkismetThis is used to detect comment spam. (Privacy Policy)
    HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
    HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
    Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
    CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
    Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the or domains, for performance and efficiency reasons. (Privacy Policy)
    Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
    Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
    Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
    Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
    Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
    VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
    PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
    Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
    MavenThis supports the Maven widget and search functionality. (Privacy Policy)
    Google AdSenseThis is an ad network. (Privacy Policy)
    Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
    Index ExchangeThis is an ad network. (Privacy Policy)
    SovrnThis is an ad network. (Privacy Policy)
    Facebook AdsThis is an ad network. (Privacy Policy)
    Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
    AppNexusThis is an ad network. (Privacy Policy)
    OpenxThis is an ad network. (Privacy Policy)
    Rubicon ProjectThis is an ad network. (Privacy Policy)
    TripleLiftThis is an ad network. (Privacy Policy)
    Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
    Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
    Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
    Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
    ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
    Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)
    ClickscoThis is a data management platform studying reader behavior (Privacy Policy)