Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
467 views
in General by (238k points)
closed by
Which tolerance grade is used for applications such as milling, rolling, drilling and turning?
1. IT15-IT16
2. IT01-IT4
3. IT8-IT11
4. IT5-IT7

1 Answer

0 votes
by (240k points)
selected by
 
Best answer
Correct Answer - Option 3 : IT8-IT11

Concept:

  • The tolerance values are indicated by 18 numbers and are written as IT01, IT0, IT1, IT2,…., IT16. These 18 values refer to 18 grades of work. 
  • Table lists the machining operations which produce grades IT4 to IT16.

Machining operation              

Tolerance grade

Lapping and Honing

IT4

Machine lapping, fine grinding

IT5

Grinding, fine honing

IT6

High quality turning, broaching

IT7

Center lathe turning

IT8

Automatic lathe work

IT9

Milling, extruding

IT10

Drilling, rough turning

IT11

Light press work, precision tube drawing

IT12

Presswork

IT13

Die casting

IT14

Stamping

IT15

Sand casting, flame cutting

IT16

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...