Sail E0 Webinar

MCQs

Total Questions : 575 | Page 4 of 58 pages
Question 31. One maxwell is equal to
  1.    10-8 webers
  2.    10-4 webers
  3.    108 webers
  4.    104 webers
 Discuss Question
Answer: Option D. -> 104 webers
Question 32. When an iron piece is placed in a magnetic field
  1.    the magnetic lines of force will bend away from their usual paths in order to go away from the piece
  2.    the magnetic lines of force will bend away from their usual paths in order to pass through the piece
  3.    the magnetic field will not be affected
  4.    the iron piece will break
 Discuss Question
Answer: Option B. -> the magnetic lines of force will bend away from their usual paths in order to pass through the piece
Question 33. Which of the following is not a unit of flux?
  1.    Maxwell
  2.    Telsa
  3.    Weber
  4.    All of the above
 Discuss Question
Answer: Option B. -> Telsa
Question 34. The magnetism left in the iron after exciting field has been removed is known as
  1.    permeance
  2.    residual magnetism
  3.    susceptance
  4.    reluctance
 Discuss Question
Answer: Option B. -> residual magnetism
Question 35. The retentivity (a property) of material is useful for the construction of
  1.    permanent magnets
  2.    transformers
  3.    non-magnetic substances
  4.    electromagnets
 Discuss Question
Answer: Option A. -> permanent magnets
Question 36. The materials having low retentivity are suitable for making
  1.    weak magnets
  2.    temporary magnets
  3.    permanent magnets
  4.    none of the above
 Discuss Question
Answer: Option B. -> temporary magnets
Question 37. If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage
  1.    Increases
  2.    Decreases
  3.    Is zero
  4.    Will remain constant
 Discuss Question
Answer: Option C. -> Is zero
Question 38. The unit of flux is the same as that of
  1.    reluctance
  2.    resistance
  3.    permeance
  4.    pole strength
 Discuss Question
Answer: Option D. -> pole strength
Question 39. A keeper is used to
  1.    change the direction of magnetic lines
  2.    amplify flux
  3.    restore lost flux
  4.    provide a closed path for flux
 Discuss Question
Answer: Option D. -> provide a closed path for flux
Question 40. A permanent magnet
  1.    attracts some substances and repels others
  2.    attracts all paramagnetic substances and repels others
  3.    attracts only ferromagnetic substances
  4.    attracts ferromagnetic substances and repels all others
 Discuss Question
Answer: Option A. -> attracts some substances and repels others

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