Online exam on Material science

Please select the correct answer from the bellow multiple choice. Every question contain 2 marks. It has no negative marking, correct answer bring you two marks.you have to answer 25 question to complete the exam. After select the correct answer press “Show Answer” button it will show the correct result and then press the “Next” button to get next question. End of exam you will see your overall result with grade card. so check your preparation

 

online exam 

Atomic number equals

 
 
 
 

In general, strongest polymer group is __________

 
 
 
 

A metallic bond forms by

 
 
 

The word ‘polymer’ meant for material made from ______________.

 
 
 
 

Very electronegative atoms (Cl) are most likely to

 
 
 
 

100 g of solder contains 52 wt% tin (Sn) and 48 wt% lead (Pb). The atomic weight of Sn is 118.7 g/mol, and the atomic weight of Pb is 207.2 g/mol.

No. of mole of Sn in the solder is:

 
 
 

Kevlar is commercial name for ___________

 
 
 
 

Not a Hume-Ruthery condition:

 
 
 
 

Overall transformation rate changes with temperature as follows:

 
 
 
 

Grain boundaries are:

 
 
 
 

The number of atoms in a unit cell of bcc, fcc and hcp metals are

 
 
 
 

Gibbs phase rule for general system:

 
 
 
 

In a bcc structure, the lattice constant, a, and the atom radius, R, have the following relationship:

 
 
 

Strong and ductile materials

 
 
 
 

An invariant reaction that produces a solid up on cooling two liquids:

 
 
 
 

Following is wrong about a phase diagram.

 
 
 
 

Interstitials are:

 
 
 
 

Not a basic step of precipitation strengthening

 
 
 
 

The size of a unit cell is described by:

 
 
 
 

The boundary line between (liquid) and (liquid+solid) regions must be part of _________.

 
 
 
 

First metal known to be used by man

 
 
 
 

The degree of freedom at triple point in unary diagram for water ________.

 
 
 
 

Impurity not responsible for temper embrittlement

 
 
 
 

Mg has an atomic number Z = 12. The electronic configuration for a magnesium ion with a plus two (+2) charge is:

 
 
 
 

Figure out the odd statement about ceramics in the following

 
 
 
 


Online exam on Fundamental Design and Manufacturing

Please select the correct answer from the bellow multiple choice. Every question contain 2 marks. It has no negative marking, correct answer bring you two marks.you have to answer 25 question to complete the exam. After select the correct answer press “Show Answer” button it will show the correct result and then press the “Next” button to get next question. End of exam you will see your overall result with grade card. so check your preparation

online exam

Please go to Online exam on Fundamental Design and Manufacturing to view the test