Sail E0 Webinar

MCQs

Total Questions : 2215 | Page 23 of 222 pages
Question 221. General mechanism of size reduction in intermediate and fine grinder is by
  1.    Cutting action
  2.    Compression
  3.    Compression and tearing
  4.    Impact and attrition
 Discuss Question
Answer: Option D. -> Impact and attrition
Question 222. The opening of a 200 mesh screen (Taylor series) is
  1.    0.0074 cm
  2.    0.0074 mm
  3.    0.0047 cm
  4.    74 mili-microns
 Discuss Question
Answer: Option A. -> 0.0074 cm
Question 223. Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for
  1.    British standard screens
  2.    German standard screens (DIN 1171) etc
  3.    American standard screens (ASTM and Tyler standard screens)
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 224. __________ mills are termed as impactors.
  1.    Hammer
  2.    Cage
  3.    Rolling-compression
  4.    None of these
 Discuss Question
Answer: Option A. -> Hammer
Question 225. The sphericity of a cylinder of 1 mm diameter and length 3 mm is
  1.    0.9
  2.    0.78
  3.    0.6
  4.    0.5
 Discuss Question
Answer: Option A. -> 0.9
Question 226. Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the
  1.    Coagulation
  2.    Flocculation
  3.    Sedimentation
  4.    Clarification
 Discuss Question
Answer: Option C. -> Sedimentation
Question 227. The filtrate flow rate in constant pressure filtration
  1.    Continuously increases
  2.    Continuously decreases
  3.    Remains constant throughout
  4.    May increase or decrease ; depends on the pressure
 Discuss Question
Answer: Option B. -> Continuously decreases
Question 228. Which of the following achieves the least reduction ratio for a given feed size?
  1.    Jaw crusher
  2.    Roll crusher
  3.    Cone crusher
  4.    Gyratory crusher
 Discuss Question
Answer: Option B. -> Roll crusher
Question 229. Which of the following must be stored in silos and not in open yard?
  1.    Coke breeze
  2.    High V.M. bituminous coal
  3.    Sand
  4.    None of these
 Discuss Question
Answer: Option B. -> High V.M. bituminous coal
Question 230. Raw materials are charged in the iron blast furnace using
  1.    Bucket elevator
  2.    Skip hoist
  3.    Screw conveyor
  4.    None of these
 Discuss Question
Answer: Option B. -> Skip hoist

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