LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
26 views
in General by (59.9k points)
closed by
What should be the permissible variation in the overall height of rails ?
1. +1.0 mm to -0.5 mm
2. ± 0.5 mm
3. +0.8 mm to -0.4 mm
4. +2.0 mm to -10 mm

1 Answer

0 votes
by (110k points)
selected by
 
Best answer
Correct Answer - Option 3 : +0.8 mm to -0.4 mm

Concept:

The rail specifications (IRS-T-12-96) for flat-bottom symmetrical rails, the tolerances allowed in the various parameters of a rail section are given below:

Parameter

Permissible Variation

Overall height

+0.8 mm to -0.4 mm

Width of head

± 0.5 mm

Width of Flange

± 1 mm ( If section < 60 Kg/m

+ 1.2 mm and -1 mm ( If Sections ≥  60 Kg/m)

Thickness of Web

+ 1 mm to -0.5 mm

Vertical Flange

± 1.2 mm

Length of Rails

+2 mm to -10 mm

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

...