Sail E0 Webinar

MCQs

Total Questions : 1798 | Page 5 of 180 pages
Question 41. In drilling brass, a drill with
  1.    Zero helix angle is used
  2.    Low helix angle is used
  3.    High helix angle is used
  4.    Any helix angle can be used
 Discuss Question
Answer: Option B. -> Low helix angle is used
Question 42. Which of the following statement is wrong?
  1.    The larger side rake angle produces chipping
  2.    The smaller rake angle produces excessive wear and deformation in tool
  3.    The increase in nose radius decreases tool life
 Discuss Question
Answer: Option C. -> The increase in nose radius decreases tool life
Question 43. Which of the following statement is wrong?
  1.    The diamond is the hardest tool material and can run at cutting speeds about 50 times that of high speed steel tool
  2.    The ceramic tools can be used at cutting speeds 40 times that of high speed steel tools
  3.    The cemented carbide tools can be used at cutting speeds 10 times that of high speed steel tools
  4.    The ceramic tools can withstand temperature up to 600°C only
 Discuss Question
Answer: Option D. -> The ceramic tools can withstand temperature up to 600°C only
Question 44. In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
  1.    Side relief angle
  2.    End relief angle
  3.    Back rake angle
  4.    Side rake angle
 Discuss Question
Answer: Option B. -> End relief angle
Question 45. An expendable pattern is used in
  1.    Slush casting
  2.    Squeeze casting
  3.    Centrifugal casting
  4.    Investment casting
 Discuss Question
Answer: Option D. -> Investment casting
Question 46. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  1.    Equal to
  2.    Twice
  3.    Thrice
  4.    One-half
 Discuss Question
Answer: Option B. -> Twice
Question 47. High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
  1.    One-half
  2.    One-fourth
  3.    Double
  4.    Four times
 Discuss Question
Answer: Option C. -> Double
Question 48. If a particular Fe-C alloy contains less than 0.83% carbon, it is called
  1.    High speed steel
  2.    Hypo eutectoid steel
  3.    Hyper eutectoid steel
  4.    Cast iron
 Discuss Question
Answer: Option B. -> Hypo eutectoid steel
Question 49. A bottoming tap has
  1.    Its end tapered for about three or four threads
  2.    Its end tapered for about eight or ten threads
  3.    Full threads for the whole of its length
  4.    None of the above
 Discuss Question
Answer: Option C. -> Full threads for the whole of its length
Question 50. Which of the following statement is correct about nose radius?
  1.    It improves tool life
  2.    It improves the surface finish
  3.    Both (A) and (B)
  4.    None of these
 Discuss Question
Answer: Option C. -> Both (A) and (B)

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