Sail E0 Webinar

MCQs

Total Questions : 50 | Page 4 of 5 pages
Question 31. Which spectrometer allows analysis of carbon and sulfur?
  1.    Vacuum spectrometer
  2.    Airpath spectrometer
  3.    Tube spectrometer
  4.    Rayleigh spectrometer
 Discuss Question
Answer: Option A. -> Vacuum spectrometer
Answer: (a).Vacuum spectrometer
Question 32. Visual inspection may be done for which of the following activities?
  1.    Internal shrinkage
  2.    Blowholes
  3.    Porosity
  4.    Counterbalance weights
 Discuss Question
Answer: Option D. -> Counterbalance weights
Answer: (d).Counterbalance weights
Question 33. For a concentration of about 0.0001 to 2%, which method of analysis is used?
  1.    X-ray fluorescence
  2.    Optical emission spectroscopy
  3.    Surface spectroscopy
  4.    Laser fluorescence
 Discuss Question
Answer: Option B. -> Optical emission spectroscopy
Answer: (b).Optical emission spectroscopy
Question 34. How can porosity of material be inspected?
  1.    Hammer test
  2.    X-ray radiography
  3.    Gamma-ray radiography
  4.    Liquid penetrant test
 Discuss Question
Answer: Option A. -> Hammer test
Answer: (a).Hammer test
Question 35. A ___________ is used to measure the blackness of lines in a spectrograph.
  1.    X-ray tube
  2.    Manometer
  3.    Quantometer
  4.    Densitometer
 Discuss Question
Answer: Option D. -> Densitometer
Answer: (d).Densitometer
Question 36. How much water does natural sand require?
  1.    2-4%
  2.    5-8%
  3.    10-12%
  4.    14-22%
 Discuss Question
Answer: Option B. -> 5-8%
Answer: (b).5-8%
Question 37. Chilled castings are made by using _________
  1.    Natural sand
  2.    Synthetic sand
  3.    Zircon sand
  4.    Chromite sand
 Discuss Question
Answer: Option D. -> Chromite sand
Answer: (d).Chromite sand
Question 38. Why are Kaolinite and Bentonite used as clay in molding sand?
  1.    High expansion ratio
  2.    High thermo-chemical stability
  3.    High coefficient of expansion
  4.    Non-reactive with molding sand
 Discuss Question
Answer: Option B. -> High thermo-chemical stability
Answer: (b).High thermo-chemical stability
Question 39. __________ additives improve the permeability of the molds.
  1.    Sawdust
  2.    Seacoal
  3.    Cereals
  4.    Silica flour
 Discuss Question
Answer: Option A. -> Sawdust
Answer: (a).Sawdust
Question 40. The molding sand in moist state is named as __________
  1.    Green sand
  2.    Loam sand
  3.    Backing sand
  4.    Parting sand
 Discuss Question
Answer: Option A. -> Green sand
Answer: (a).Green sand

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