Sail E0 Webinar

MCQs

Total Questions : 2441 | Page 244 of 245 pages
Question 2431. Beehive coke oven________________?
  1.    Facilitates by-products recovery
  2.    Takes 2-3 days for coking of coal but requires no external fuel for heating
  3.    Gives larger yield of coke (around 85%) as compared to by-product ovens
  4.    Produces coke with very poor strength
 Discuss Question
Answer: Option B. -> Takes 2-3 days for coking of coal but requires no external fuel for heating
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2432. Higher percentage of ash in coal meant for the production of metallurgical grade coke ___________________?
  1.    Decreases the hardness of coke
  2.    Decreases the abrasion resistance of coke
  3.    Causes brittleness in steel
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2433. Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?
  1.    MgO & Na2CO3
  2.    MgSO4 & BaCl2
  3.    BaSO4 & NaCl
  4.    MgCO3 & NaCl
 Discuss Question
Answer: Option A. -> MgO & Na2CO3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2434. Which of the following gaseous fuels has the lowest calorific value ?
  1.    Gobar gas
  2.    Refinery gas
  3.    Converter gas
  4.    Blast furnace gas
 Discuss Question
Answer: Option D. -> Blast furnace gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2435. Ignition temperature of a fuel in air is ______________ that in pure oxygen?
  1.    More than
  2.    Less than
  3.    Equal to
  4.    Either more or less; depends on the type of fuel
 Discuss Question
Answer: Option A. -> More than
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2436. Turndown ratio of a gas burner is equal to the __________________ ?
  1.    Maximum to minimum heat input ratio
  2.    Maximum to minimum permissible gas flow rate
  3.    Both A. & B.
  4.    Minimum to maximum heat input ratio
 Discuss Question
Answer: Option C. -> Both A. & B.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2437. Which of the following has the least calorific value (kcal/Nm3) ?
  1.    Blast furnace gas
  2.    Coke oven gas
  3.    Sewage gas
  4.    Natural gas
 Discuss Question
Answer: Option A. -> Blast furnace gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2438. Carbon Content by weight in air dried wood may be about _______________ percent?
  1.    10
  2.    25
  3.    50
  4.    80
 Discuss Question
Answer: Option C. -> 50
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2439. Pick out the wrong statement ?
  1.    High concentration of oxygen in flue gas means high stack loss
  2.    Gaseous fuels require the least % excess air for complete combustion
  3.    The ratio of fixed carbon to volatile matter percentage in coal is called its ‘fuel ratio’
  4.    Calorific value of natural gas is more than that of LPG
 Discuss Question
Answer: Option D. -> Calorific value of natural gas is more than that of LPG
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2440. Pick the odd man out?
  1.    Briquettes
  2.    Wood
  3.    Oil gas
  4.    Pitch creosote mixture
 Discuss Question
Answer: Option B. -> Wood
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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