A focused practice platform for competitive-exam MCQs, subject wise, topic wise practice, and current affairs revision.

Exams

SSC CGL
UPSC CSE
IBPS PO
RRB NTPC
CDS

Subjects

Mathematics
Physics
General Knowledge
English
Reasoning

Resources

Current Affairs
Search MCQs
Practice Sets

Company

About Us
Contact
Privacy Policy
Terms of Use
Disclaimer
Copyright

Practice library for exams, subjects, and daily revision. For learning purposes only.

© 2026 ObjectiveMcq.ComAll rights reserved

ObjectiveMcq

Print Protected

Printing this content is disabled

This page is protected for print. Use the website to view the content.

The heavier oxide films are removed by using? - Practice - ObjectiveMcq

HomePracticeManufacturing EngineeringBasicsThe heavier oxide films are removed...

Basics Manufacturing EngineeringMedium

The heavier oxide films are removed by using?

Correct Answer: A — Emery

Oxide films should be removed before welding. Heavier oxide films may be removed by acid pickling, emery or by wire brusing.

Related Practice

Effective teamwork and high productivity are good indications of positive
A profit maximizing firm will
Allowance of hole and shaft assembly is equal to
Minimum material limit of hole is
Minimum material limit of shaft is
Maximum material limit of hole is
Maximum material limit of shaft is
In an assembly of hole and shaft, smallest shaft was having diameter of 50.2 mm and largest hole was having diameter of 50.0 mm. Minimum interference in mm will be