Sail E0 Webinar

MCQs

Total Questions : 757 | Page 9 of 76 pages
Question 81. Thermal efficiency of an open hearth furnace may be about __________ percent.
  1.    5
  2.    20
  3.    50
  4.    80
 Discuss Question
Answer: Option B. -> 20
Question 82. Furnace pressure is normally controlled by regulating the
  1.    Air pressure
  2.    Fuel gas pressure
  3.    Speed of I.D. fan
  4.    Damper
 Discuss Question
Answer: Option D. -> Damper
Question 83. Which of the following is a directly fired intermittant furnace?
  1.    Walking beam reheating furnace
  2.    Reverberatory furnace
  3.    Tower furnace
  4.    Tunnel kiln
 Discuss Question
Answer: Option B. -> Reverberatory furnace
Question 84. To reduce the stack loss, heat recovery from flue gas can be done by
  1.    Preheating of cold stock
  2.    Preheating of combustion air
  3.    Steam generation in waste heat boilers
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 85. Specific heating capacity of a furnace is expressed as
  1.    Weight heated/hr
  2.    Weight heated/furnace volume
  3.    Weight heated/hr/furnace volume
  4.    None of these
 Discuss Question
Answer: Option C. -> Weight heated/hr/furnace volume
Question 86. Fuel used in B.F. stove is
  1.    Pulverised coal
  2.    Furnace oil
  3.    Blast furnace gas/mixed gas
  4.    Coke oven gas
 Discuss Question
Answer: Option C. -> Blast furnace gas/mixed gas
Question 87. Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the
  1.    Quantity & temperature of waste gas
  2.    Dust concentration & nature of dust in waste gas
  3.    Corrosive nature of the waste gas
  4.    All of the above
 Discuss Question
Answer: Option B. -> Dust concentration & nature of dust in waste gas
Question 88. The rate of scaling of furnace stock depends upon the
  1.    Temperature
  2.    Time
  3.    Nature of atmosphere
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 89. Which of the following is the most suitable for preheating combustion air above 650°C ?
  1.    Regenerator
  2.    Metallic recuperator
  3.    Ceramic recuperator
  4.    None of these
 Discuss Question
Answer: Option C. -> Ceramic recuperator
Question 90. Which of the following is a natural draft furnace?
  1.    Blast furnace stoves
  2.    Power plant boilers
  3.    Sintering furnace
  4.    None of these
 Discuss Question
Answer: Option A. -> Blast furnace stoves

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0