Результаты прохождения теста
How often are inspections of void spaces normally carried out?:
If closed moulds are used for in-situ insulation, the filling volume is not to exceed:
Is it necessary to refill cavities that are filled with perlit?:
The cellular plastics insulation contracts approximately:
What are some of the indicators of thermal loss:
What is important to keep in mind about U-profiles that are used on pipes supports?:
What is the atmospheric content of oxygen that is required for entry?:
What is the insulation secured with in order to reduce stress when using the spiral generation system:
What is the maximum allowable LEL content for permitting entry when entering void spaces?:
What is the most common type of insulation material on board gas tankers today?:
What must you check before installing new insulation?:
What must you check before personnel are allowed to enter void spaces?:
What should you do if the elastic bellow between the hatch opening and tank on a cylindrical cargo tank should crack?:
When insulating straight line pipes it is important that each layer is:
Where will you find information about emergency procedures for a specific cargo?:
Where would you use polyurethane foam at a density of 150-160 kg/m3?:
Which of the following has highest diffusion resistance?:
Which of the following is NOT a requirement of insulation used on pipes and containers?:
Which of the following properties are needed to fulfil the requirements set for vapour and physical protection?:
Which of these is the most common way to reduce tank pressure on a LNG tanker?:
Which type of material is normally used in the construction of a cargo tank designed for transporting LPG at atmospheric pressure?:
Why do we insulate cargo tanks and other components?:
Why does the formation of ice along the hatch frame on the deck tank require reinsulation?: