Recent questions tagged material-science

0 votes

0 answers

Which of the following statements are correct for carbon boil?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which of the following methods are used for protection against fracture?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

The correct order of cooling media for decreasing cooling rate is

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which of the following case hardening processes, result in a change in the composition in a steel component?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

When steel containing less than 0.85% carbon is cooled slowly below the lower critical point, it contains

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

The steel when heated above a certain temperature and cooled to

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Carburizing is used for machine elements which have to

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which one of the following statements is NOT correct for normalizing?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Consider the following statements regarding annealing process:

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which of these is/are used as quenching media in case of Alloy steels?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

1. Coarse pearlite 2. martensite 3. Very fine pearlite

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Isothermal annealing is mainly used in alloy steels to improve.

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which one of the following mediums is used for the fastest cooling rate of steel quenching?

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Consider the following statements in respect of austenitic stainless steels:

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Tempering is a process of annealing

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Which one of the following is the process to refine the grains of metal after it has been distorted by

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Match List-I (Effect of Cooling) with List- II (Cooling Medium)

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

The pattern known as Widmanstätten structure is encountered in:

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Carburizing is done on non-ferrous alloys to increase the surface hardness.

asked Dec 29, 2017 in material science by chandu (215k points)

0 votes

0 answers

Consider the following statements about medium carbon steel:

asked Dec 29, 2017 in material science by chandu (215k points)

Page:

« prev
1
...
5
6
7
8
9
10
11
12
13
...
24
next »

...