ISRO Mechanical & Aerospace 2017-2 - Question 60

All ISRO Mechanical & Aerospace papers | ISRO Mechanical & Aerospace 2017-2

Topic: Manufacturing Engineering

In a grinding wheel specification of 'wa36k8vbe', "wa" indicates

  • A. Grain size
  • B. Type of grade
  • C. Type of abrasive
  • D. Type of structure

Answer: C. Type of abrasive

Explanation: In standard grinding wheel specifications, the prefix or first part represents the abrasive type. Here 'wa' stands for white aluminium oxide. The rest stand for: 36 (Grain size), k (Grade), 8 (Structure), v (Bond type), and be (Manufacturer's record).

| | All questions of ISRO Mechanical & Aerospace 2017-2