The Oil & Natural Gas Corporation of Mumbai released the recruitment notification to fill the vacancies of Assistant Technician in various departments.

The ONGC Recruitment is considered as the one of the most respectable role to provide jobs in India.

ONGC Exam Syllabus:

The selection methodology will comprise three-stage process –
Written Test
Personal Interview
Medical examination

Written Test will consist of multiple-choice objective type questions:

Aptitude ( Around 50 question)
General Awareness ( Around 50 question)
Subject Knowledge ( Around 100 question)
Aptitude test section contains Comprehension, Reasoning (Verbal/Non-verbal), Numerical Ability/Quantitative Aptitude, and Data Interpretation.

Duration for ONGC GT Exam --3 hours

ONGC Previous Year Question Papers for Mechanical






ONGC Previous Year Question Papers for Mechanical:

1 What is the difference between isotropic and anisotropic materials?
Ans If a material exhibits same mechanical properties regardless of loading direction, it is isotropic
eg., homogeneous cast materials. Materials lacking this property are anisotropic

2 what are orthotropic materials
It is a special class of anisotropic materials which can be described by giving their properties in three perpendicular direction et wood composites

3 A plain carbon steel has BHN of 180 What are values of Rc, VHN and ultimate strength?
Ans Rc-RHN/10 18,VHN BHN 180

4 What properties need to be considered for applications calling for following requirement:
irigdity strength for no plastic deformation under static load wear resistance reliability and safety
Ans Rigidity- elastic modules and yield strength Strength for no plastic deformation under static loading-yield point Wear resistance-Hardness Reliability and safety-Endurance limit and yield point

5 Explain the effects of alloying chromium and nickel in stainless steel.
Addition of nickel and chromium increases the tensile strength and increase in resistance to corrosion takes place.

6 Mention two types of dislocation, Dislocation refers to a break in the continuity of the lattice. In edge dislocation, one place of atoms gets squeezed out.In screw dislocation the lattice atoms move from their regular ideal positions.

7 What are the principal constituents of brass?
Principal constituents of brass are copper and zinc

8 what is Curie point?
Curie point is the temperature at which ferromagnetic materials can no longer be magnetized by outside forces