Trending ▼   ResFinder  

Chapter 2.5 - Insulation and Refractories

9 pages, 45 questions, 0 questions with responses, 0 total responses,    0    0
bee_energy
  
+Fave Message
 Home > bee_energy >

Formatting page ...

Question bank for Energy Managers & Energy Auditors Chapter 2.5: Insulation & Refractories Part-I: Objective type questions and answers 1. A thermal insulator is a) good conductor of heat and has high thermal conductivity b) poor conductor of heat and has high thermal conductivity c) good conductor of heat and has low thermal conductivity d) poor conductor of heat and has low thermal conductivity 2. The insulation material suitable for low temperature application is a) Mineral fibre 3. b) Calcium silicate c) Mineral fibre b) 1050 C Suitable temperature i) - 178 C to 4 C b) Fibre glass ii) -167 C to 82 C c) Polystyrene iii) Up to 820 C d) Polyurethane iv) Up to 540 C a-iii); b-iv); c-ii); b) fibre glass c) rock wool d) Alumina The unit for thermal coefficient of insulation and refractories is SI system is ____. a) K.cal/m-hr- C b) K.cal/ m -hr- C c) K.cal/m - C d) K.cal/ m- C The coefficient of thermal expansion of refractory material should be ___. a) low 9. d-i) Select the suitable cost effective insulation for steam pipelines with temperature of 540 C. a) calcium silicate 8. d) 1850 C Match the following: a) Rockwool 7. d) All of the above c) 1430 C Insulating material 6. d) polyurethane Ceramic fibre insulation is suitable up to temperature of a) 540 C 5. c) Silica The insulation materials used for medium temperature application is a) Asbestos 4. b) Fibre glass b) High c) Medium d) very high Magnesite, chrome-magnesite, dolomite are examples of --------- type of refractory a) acid b) basic c) neutral 2.5 Insulation & refractories - revised (table format) d) none of the above 32

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 


Tags : Bureau of Energy Efficiency, BEE, National Productivity Council of India, NPC, Energy Audit, Certified Energy Manager, Certified Energy Auditor, EM & EA, bee papers, bee sample papers, bee books, portal for bee india, bee question bank, bee question papers with answers, bee model test papers, solved board question papers of last year, previous years solved question papers, free online solved question paper, india sample questions papers, last 10 years papers, guess sample questions papers, important questions, specimen / mock papers, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005.  

© 2010 - 2022 ResPaper. Terms of ServiceContact Us Advertise with us

 

bee_energy chat