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ENGINEERING MATERIALS - REPORTS

OVERALL ANALYSIS COMPARISON REPORT SOLUTION REPORT

Deepam Sharma
Course: ESE ALL(38) CORRECT(0) INCORRECT(0) SKIPPED(38)
Mechanical Engineering (ME)

HOME
Q. 1
MY TEST
Pure iron has the structure as of
Have any Doubt ?
BOOKMARKS

A
MY PROFILE
ferrite
Correct Option
REPORTS

Solution :
BUY PACKAGE (a)

ASK AN EXPERT
B
OFFER pearlite

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK C
PACKAGES austenite

D
ferrite and cementite
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QUESTION ANALYTICS (Enroll User) Sign out

Q. 2

A reversible change in the atomic structure of steel with corresponding change in the properties is
known as
Have any Doubt ?
Deepam Sharma
Course: ESE
A
Mechanical Engineering (ME)
molecular change

HOME
B
MY TEST physical change

BOOKMARKS
C
allotropic change
MY PROFILE Correct Option

REPORTS Solution :
(c)
BUY PACKAGE

D
ASK AN EXPERT
solidus change

OFFER
QUESTION ANALYTICS
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES
Q. 3

Consider the following statements regarding material properties

1. Ductility of a material can be defined as ability to undergo large permanent deformations in
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. uct ty o a ate a ca be de ed as ab ty to u de go a ge pe a e t de o at o s
tension.
Deepam
2. Malleability of a material can be defined as ability to undergo large Sharma 
permanent deformations in
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3. Creep of a material can be defined as ability to resist softening at high temperature.
Which of these statements is/are correct?
Have any Doubt ?

A
1 and 2
Correct Option
Deepam Sharma
Course: ESE
Solution :
Mechanical Engineering (ME)
(a)
The ability of a material to resist softening at high temperature is known as hot hardness.
HOME

B
MY TEST
1 only

BOOKMARKS
C
MY PROFILE 3 only

REPORTS
D
1, 2 and 3
BUY PACKAGE

ASK AN EXPERT QUESTION ANALYTICS

OFFER

EXCLUSIVE OFFER FOR OTS Q. 4

STUDENTS ONLY ON BOOK
The elastic stress-strain behavior of rubber is
PACKAGES
Have any Doubt ?

A
linear
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linear

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B (Enroll User) Sign out
non-linear
Correct Option

Solution :
(b)

Deepam Sharma C
Course: ESE unpredictable behavior
Mechanical Engineering (ME)

HOME D
none of the above

MY TEST
QUESTION ANALYTICS
BOOKMARKS

MY PROFILE
Q. 5

REPORTS For the allotropic forms of iron, the point of arrest are
Have any Doubt ?
BUY PACKAGE
A
ASK AN EXPERT the points where no further flow of metal takes place

OFFER
B
EXCLUSIVE OFFER FOR OTS constant for all metals
STUDENTS ONLY ON BOOK
PACKAGES
C
the points of discontinuity
Correct Option

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Solution :
(c) Deepam Sharma 
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D
the points where no further change occurs

QUESTION ANALYTICS

Deepam Sharma
Course: ESE
Mechanical Engineering (ME) Q. 6

Which of the following statement is false about cast iron?

HOME Have any Doubt ?

MY TEST A
In nodular cast iron, graphite is in the form of nodular aggregates of graphite.
BOOKMARKS Correct Option

MY PROFILE Solution :
(a)
• In nodular cast iron, graphite is in the form of spheroids.
REPORTS
• In malleable iron, carbon is present in the form of nodular aggregates of graphite.

BUY PACKAGE
B
ASK AN EXPERT In grey cast iron, carbon is present in the form of flakes.

OFFER
C
EXCLUSIVE OFFER FOR OTS Wrought iron is highly resistant to corrosion
STUDENTS ONLY ON BOOK
PACKAGES
D
The unique property of cast iron is its high damping characteristics

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QUESTION ANALYTICS
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Q. 7

Sulphur in pig iron tends to make it

Have any Doubt ?

A
Deepam Sharma hard
Course: ESE Correct Option
Mechanical Engineering (ME)
Solution :
(a)
HOME
Presence of sulphur tends to make iron hard and does not produce sound castings.

MY TEST
B
BOOKMARKS soft

MY PROFILE
C
ductile
REPORTS

BUY PACKAGE D
tough
ASK AN EXPERT

QUESTION ANALYTICS
OFFER

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK
Q. 8
PACKAGES
Consider the following statements about wrought iron
1. It melts at 1535°C.
2. It is very soft and ductile.
3 It is made by adding suitable percentage of carbon to molten iron and subjecting the product to
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3. It is made by adding suitable percentage of carbon to molten iron and subjecting the product to
repeated hammering and rolling.
4. It can be easily forge welded. Deepam Sharma 
Which of these statements is/are correct? (Enroll User) Sign out
Have any Doubt ?

A
1, 2 and 3

B
Deepam Sharma 1, 2 and 4
Course: ESE Correct Option
Mechanical Engineering (ME)

Solution :
HOME (b)

MY TEST
C
1, 3 and 4
BOOKMARKS

MY PROFILE D
2, 3 and 4
REPORTS

QUESTION ANALYTICS
BUY PACKAGE

ASK AN EXPERT
Q. 9
OFFER
The strain hardening exponent n of stainless steel with distinct yield and UTS values undergoing
EXCLUSIVE OFFER FOR OTS plastic deformation is
STUDENTS ONLY ON BOOK Have any Doubt ?
PACKAGES
A
n<0

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B
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n=0
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C
0<n<1
Correct Option

Solution :
(c)
Deepam Sharma
Course: ESE
Mechanical Engineering (ME)

HOME

MY TEST

BOOKMARKS

MY PROFILE
D
n=1
REPORTS

BUY PACKAGE QUESTION ANALYTICS

ASK AN EXPERT

Q. 10
OFFER
Consider the following statements about heat treatment of martensitic steel
EXCLUSIVE OFFER FOR OTS 1. Tempering reduces both brittleness and hardness.
STUDENTS ONLY ON BOOK 2. Normalizing reduces brittleness without any significant loss in hardness.
PACKAGES Which of above statements is/are correct?
Have any Doubt ?

A
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1 only
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B
2 only

C
1 and 2
Correct Option

Deepam Sharma
Course: ESE Solution :
Mechanical Engineering (ME)
(c)

HOME D
None of these
MY TEST

BOOKMARKS QUESTION ANALYTICS

MY PROFILE
Q. 11
REPORTS
An alloy steel which is work hardenable and which is used to make the blades of bulldozers,
bucket wheel excavators and other earth moving equipment contain iron, carbon and
BUY PACKAGE Have any Doubt ?

ASK AN EXPERT
A
silicon
OFFER

EXCLUSIVE OFFER FOR OTS B

STUDENTS ONLY ON BOOK
chromium
PACKAGES

C
manganese
Correct Option
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1/4/2019 MADE EASY ONLINE TEST SERIES
Correct Option

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(c)

D
magnesium

Deepam Sharma QUESTION ANALYTICS

Course: ESE
Mechanical Engineering (ME)

Q. 12
HOME
Which of the following material has maximum ductility?
Have any Doubt ?
MY TEST

A
BOOKMARKS
mild steel
Correct Option
MY PROFILE

Solution :
REPORTS (a)

BUY PACKAGE
B
ASK AN EXPERT copper

OFFER
C
EXCLUSIVE OFFER FOR OTS nickel
STUDENTS ONLY ON BOOK
PACKAGES
D
aluminium

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QUESTION ANALYTICS
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Q. 13

Dye penetrant method is generally used to locate

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A
Deepam Sharma core defects
Course: ESE
Mechanical Engineering (ME)
B
surface defects
HOME Correct Option

MY TEST Solution :
(b)
BOOKMARKS

C
MY PROFILE
temporary defects

REPORTS
D
BUY PACKAGE superficial defects

ASK AN EXPERT
QUESTION ANALYTICS

OFFER

EXCLUSIVE OFFER FOR OTS Q. 14

STUDENTS ONLY ON BOOK
PACKAGES Which of the following has a fine gold colour and is used for imitation jewellery?
Have any Doubt ?

A
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1/4/2019 MADE EASY ONLINE TEST SERIES
Aluminium bronze
Deepam Sharma  Correct Option
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Solution :
(a)

B
Gun metal

Deepam Sharma
Course: ESE C
Mechanical Engineering (ME) Silicon bronze

HOME D
Babbitt metal
MY TEST

QUESTION ANALYTICS
BOOKMARKS

MY PROFILE
Q. 15
REPORTS
Smelting is the process of
Have any Doubt ?
BUY PACKAGE

A
ASK AN EXPERT
expelling moisture, carbon dioxide, sulphur and arsenic from the iron one by heating in shallow ki

OFFER
B
EXCLUSIVE OFFER FOR OTS removing the impurities like clay, sand etc. from the iron ore by washing with water.
STUDENTS ONLY ON BOOK
PACKAGES
C
reducing the ore with carbon in the presences of a flux
Correct Option

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Solution : Deepam Sharma 

(c) (Enroll User) Sign out

D
all of the above

QUESTION ANALYTICS
Deepam Sharma
Course: ESE
Mechanical Engineering (ME)
Q. 16

Consider the following statements about bronze

HOME
1. Aluminium bronze has high resistance to corrosion.
2. Manganese bronze contains more copper than silicon bronze.
MY TEST Which of these statements is/are correct?
Have any Doubt ?
BOOKMARKS
A
MY PROFILE 1 only
Correct Option
REPORTS
Solution :
BUY PACKAGE (a)
Aluminium bronzes are most valued for their higher strength and corrosion resistance as
compared to other bronze alloys.
ASK AN EXPERT

OFFER B
2 only
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES
C
1 and 2

D
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D
none of these
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QUESTION ANALYTICS

Q. 17

The casting ability of aluminium increases when is added to aluminium.

Deepam Sharma Have any Doubt ?
Course: ESE
Mechanical Engineering (ME) A
copper
HOME
B
MY TEST magnesium

BOOKMARKS
C
MY PROFILE silicon
Correct Option

REPORTS
Solution :
(c)
BUY PACKAGE With the addition of the silicon in the pure aluminium, it improve its fluidity.

ASK AN EXPERT
D
OFFER lead and bismuth

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK QUESTION ANALYTICS
PACKAGES

Q. 18

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1/4/2019 MADE EASY ONLINE TEST SERIES

Consider the following statements about heat treatment processes.

1. The spheroidising process is usually applied to high carbon tool steels
Deepam which are difficult to
Sharma 
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2. In spheroidising process, the cementite in the granular form is produced in the structure of
steel.
3. The annealing process causes complete recrystallization in steels which have been severely
cold worked and a new grain structure is formed.
Which of these statements is/are wrong?
Have any Doubt ?

Deepam Sharma A
Course: ESE 1 and 2
Mechanical Engineering (ME)

B
HOME 1 and 3

MY TEST
C
2 and 3
BOOKMARKS

MY PROFILE D
none of these
REPORTS Correct Option

BUY PACKAGE Solution :
(d)
ASK AN EXPERT

QUESTION ANALYTICS
OFFER

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK
Q. 19
PACKAGES
If are three positive axes of the crystallographic co-ordinate system with origin at
point A, then which line points in the direction ?

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Have any Doubt ?

Deepam Sharma
Course: ESE
A
Mechanical Engineering (ME)
AD

HOME
B
MY TEST CH

BOOKMARKS
C
FB
MY PROFILE Correct Option

REPORTS Solution :
(c)
BUY PACKAGE

ASK AN EXPERT

OFFER D
GE
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES QUESTION ANALYTICS

Q 20
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Q. 20

Miller indices of the hatched plane in the following figure are.Deepam Sharma 
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Deepam Sharma
Course: ESE
Have any Doubt ?
Mechanical Engineering (ME)

A
HOME
(2 3 1)
Correct Option
MY TEST

Solution :
BOOKMARKS (a)

MY PROFILE

REPORTS

BUY PACKAGE
B
ASK AN EXPERT (3 2 1)

OFFER C
(3 2 0)
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES
D

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QUESTION ANALYTICS
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Q. 21

X-ray diffraction patterns are used for studying crystal structure of solids because
Have any Doubt ?

A
Deepam Sharma They have very high energy, hence they can penetrate through solids
Course: ESE
Mechanical Engineering (ME)
B
They are electromagnetic radiation, and hence do not interact with matter (crystals)
HOME

C
MY TEST
Their wavelengths are comparable to inter-atomic distances
Correct Option
BOOKMARKS

Solution :
MY PROFILE (c)
For diffraction to occur, the obstacle size should be comparable to wavelength of the
REPORTS incident radiation.

BUY PACKAGE
D
Their high frequency enables rapid analysis
ASK AN EXPERT

OFFER QUESTION ANALYTICS

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK
PACKAGES Q. 22

The miller indices of parallel planes in a BCC lattice should satisfy which of the
following x-ray diffraction reflection rules?
Have any Doubt ?
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1/4/2019 MADE EASY ONLINE TEST SERIES
a e a y oubt ?

Deepam Sharma 
A
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Correct Option

Solution :
(a)
If the sum of miller indices becomes odd for a BCC lattice, destructive interference occurs.

Deepam Sharma
Course: ESE B
Mechanical Engineering (ME)

HOME
C

MY TEST

BOOKMARKS D

MY PROFILE

QUESTION ANALYTICS
REPORTS

BUY PACKAGE
Q. 23
ASK AN EXPERT
Metal glasses differ from their crystalline counterparts in many ways. Chief application(s) of
metal glasses include(s):
OFFER Have any Doubt ?

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK A
PACKAGES Bullet - proof glasses

B
Power transformers
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Correct Option
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Solution :
(b)
Amorphous metals are not transparent and have relatively lower electrical conductivity.
However, most metal glasses posses high susceptibility and low coercivity.

C
Conducting wires
Deepam Sharma
Course: ESE
Mechanical Engineering (ME) D
All of the mentioned

HOME
QUESTION ANALYTICS
MY TEST

BOOKMARKS
Q. 24

MY PROFILE Consider the following statements about crystalline defects.

1. Foreign species is present in substitution defect.
REPORTS 2. Frenkel defect belongs to interfacial defect.
Which of these statements is/are correct?
Have any Doubt ?
BUY PACKAGE

A
ASK AN EXPERT
1 only
Correct Option
OFFER

EXCLUSIVE OFFER FOR OTS Solution :

STUDENTS ONLY ON BOOK (a)
PACKAGES • In substitution defect, particles of other species having similar sizes replace the host
particles in a lattice.
• Frenkel defect occurs when some of the smaller ions shifts from their lattice point to
interstitial positions. There are point defects.

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B Deepam Sharma 
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C
1 and 2

D
none of these
Deepam Sharma
Course: ESE
Mechanical Engineering (ME) QUESTION ANALYTICS

HOME

Q. 25
MY TEST
Carburization is a heat treatment used for case hardening steels. Carbon is trapped on steel
BOOKMARKS surface by:
Have any Doubt ?

MY PROFILE
A
Osmosis
REPORTS

BUY PACKAGE B
Interstitial diffusion
ASK AN EXPERT Correct Option

OFFER Solution :
(b)
EXCLUSIVE OFFER FOR OTS Carbon forms interstitial carbides with iron due to large difference in atomic radii.
STUDENTS ONLY ON BOOK
PACKAGES
C
Vacancy diffusion

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D
Deepam Sharma 
None of the mentioned
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QUESTION ANALYTICS

Q. 26

Deepam Sharma What is the equation for the liquid mass fraction at point M in the following binary phase diagram
Course: ESE
Mechanical Engineering (ME)

HOME

MY TEST

BOOKMARKS
Have any Doubt ?
MY PROFILE

A
REPORTS

BUY PACKAGE
B
ASK AN EXPERT
Correct Option
OFFER

Solution :
EXCLUSIVE OFFER FOR OTS
(b)
STUDENTS ONLY ON BOOK
PACKAGES

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Deepam Sharma
Course: ESE
D
Mechanical Engineering (ME)

HOME
QUESTION ANALYTICS
MY TEST

BOOKMARKS
Q. 27

MY PROFILE A eutectoid steel is slowly cooled from temperature of 750°C to temperature just below 727°C.
What is the percentage of ferrite and cementite?
REPORTS Have any Doubt ?

BUY PACKAGE A
88.3% and 11.7%
Correct Option
ASK AN EXPERT

OFFER Solution :
(a)
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES

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B
70% and 30%

C
75.4% and 24.6%
Deepam Sharma
Course: ESE D
Mechanical Engineering (ME) 80% and 20%

HOME
QUESTION ANALYTICS

MY TEST

BOOKMARKS Q. 28

MY PROFILE Standard axial ratio for metallic HCP lattice is It is ratio of

Have any Doubt ?
REPORTS
A
BUY PACKAGE Atomic radius to hexagon edge length

ASK AN EXPERT B
Hexagon height length to atomic radius
OFFER

EXCLUSIVE OFFER FOR OTS C

STUDENTS ONLY ON BOOK
Atomic radius to hexagon height
PACKAGES

D
None of the above
Correct Option
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Correct Option

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Solution : (Enroll User) Sign out
(d)
Ratio of height of the hexagonal unit cell to its edge length is called the axial ratio, usually
expressed as (c/a).

QUESTION ANALYTICS

Deepam Sharma
Course: ESE
Q. 29
Mechanical Engineering (ME)
Layered silicate structure in clays consists the following group.
Have any Doubt ?
HOME

A
MY TEST

BOOKMARKS

B
MY PROFILE

Correct Option
REPORTS

Solution :
BUY PACKAGE
(b)

ASK AN EXPERT
C
OFFER

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK
PACKAGES D

QUESTION ANALYTICS
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QUESTION ANALYTICS

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Q. 30

Which of the following properties of polyurethane rubbers is incorrect as compared to other

rubbers ?
Have any Doubt ?

A
Deepam Sharma higher tensile strength
Course: ESE
Mechanical Engineering (ME)
B
excellent abrasion resistance
HOME

MY TEST C
excellent resistance to oxygen
BOOKMARKS
D
MY PROFILE excellent resistance to acids
Correct Option
REPORTS
Solution :
BUY PACKAGE (d)
The polyurethane rubbers have higher tensile strength than any other rubber, excellent
abrasion resistance and resistance to oxygen and ozone. However they are less resistant to
ASK AN EXPERT
acids and alkalies than other conventional rubbers.

OFFER
QUESTION ANALYTICS
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES

Q. 31

What is the use of epoxy resin from commercial point of view?

Have any Doubt ?
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Have any Doubt ?

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as strength adhesives

B
as cementing agents

C
Deepam Sharma cast objects and laminates
Course: ESE
Mechanical Engineering (ME)
D
HOME all of the above
Correct Option

MY TEST
Solution :
(d)
BOOKMARKS
The epoxy resins are especially used as high strength adhesives, cementing agents in
building industry and also in glass fibre reinforced cast objects and laminates.
MY PROFILE

REPORTS QUESTION ANALYTICS

BUY PACKAGE
Q. 32
ASK AN EXPERT
Which of the following type of fillers are treated with chemicals to improve its attachment with
polymers ?
OFFER
Have any Doubt ?
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK A
PACKAGES particulate fillers

B
rubbery fillers
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rubbery fillers

Deepam Sharma 
C (Enroll User) Sign out
mineral fillers
Correct Option

Solution :
(c)
Mineral fillers are usually treated with specific chemicals to improve weltening and
attachment with polymers to fillers. Stearic acid treated calcium carborate or amine-or glycol
Deepam Sharma treatment clays are some examples of mineral fillers.
Course: ESE
Mechanical Engineering (ME)
D
HOME fibrous fillers

MY TEST QUESTION ANALYTICS

BOOKMARKS

Q. 33
MY PROFILE
Statement (I): Lead-oxide glass in called crystal glass.
REPORTS Statement (II): It contains crystalline Pb.
Have any Doubt ?
BUY PACKAGE
A
ASK AN EXPERT a

OFFER
B
b
EXCLUSIVE OFFER FOR OTS
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PACKAGES
C
c
Correct Option

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Solution :
(c) Deepam Sharma 
(Enroll
Crystal glass is amorphous, non crystalline. This glass earns itsUser) Sign out
name from its excellent
decorative properties and high refractive index.

D
d

Deepam Sharma QUESTION ANALYTICS

Course: ESE
Mechanical Engineering (ME)

Q. 34
HOME
Statement (I): The ratio of number of vacancies to total number of lattice points for a metal near
melting temperature is of the order of 10–4. For lower temperatures, the ratio decreases.
MY TEST
Statement (II): At lower temperature, less energy is available in the system.
Have any Doubt ?
BOOKMARKS

A
MY PROFILE a
Correct Option
REPORTS
Solution :
BUY PACKAGE (a)
At lower temperature, less energy is available in the system which means less number of
atoms are able to leave their lattice sites to create vacancies.
ASK AN EXPERT

OFFER B
b
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK
PACKAGES
C
c

D
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D
d Deepam Sharma 
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QUESTION ANALYTICS

Q. 35

Statement (I): Time dependent recoverable deformation under load is called anelastic
Deepam Sharma deformation.
Course: ESE Statement (II): Anelastic deformation results from slip and twinning.
Mechanical Engineering (ME) Have any Doubt ?

HOME A
a

MY TEST
B
BOOKMARKS b

MY PROFILE
C
c
REPORTS
Correct Option

BUY PACKAGE
Solution :
(c)
ASK AN EXPERT Plastic deformation results from slip and twinning.

OFFER
D
EXCLUSIVE OFFER FOR OTS d
STUDENTS ONLY ON BOOK
PACKAGES
QUESTION ANALYTICS

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Q. 36
Deepam Sharma 
Statement (I): Ledeburite is an eutectic product in Fe-C system.
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Statement (II): A liquid phase process two solid phases during eutectic reaction up on cooling.
Have any Doubt ?

A
a

Deepam Sharma B
Course: ESE b
Mechanical Engineering (ME) Correct Option

HOME Solution :
(b)

MY TEST

C
BOOKMARKS
c

MY PROFILE
D
REPORTS d

BUY PACKAGE QUESTION ANALYTICS

ASK AN EXPERT

OFFER Q. 37

Statement (I): Cast iron parts are suitable where permanent deformation is preferred over
EXCLUSIVE OFFER FOR OTS
fracture.
STUDENTS ONLY ON BOOK
Statement (II): Cast iron has higher compressive strength and excellent damping property.
PACKAGES
Have any Doubt ?

A
a
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a

Deepam Sharma 
B (Enroll User) Sign out
b

C
c

Deepam Sharma D
Course: ESE
d
Correct Option
Mechanical Engineering (ME)

Solution :
HOME
(d)

MY TEST
QUESTION ANALYTICS
BOOKMARKS

MY PROFILE
Q. 38

REPORTS Statement (I): Refining the grain size of polycrystalline material renders it hard and stronger.
Statement (II): Grain boundaries provide easy paths to dislocation motion.
BUY PACKAGE Have any Doubt ?

ASK AN EXPERT A
a
OFFER
B
EXCLUSIVE OFFER FOR OTS
STUDENTS ONLY ON BOOK b
PACKAGES

C
c
Correct Option
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Solution : Deepam Sharma 

(c) (Enroll User) Sign out

D
d

QUESTION ANALYTICS
Deepam Sharma
Course: ESE
Mechanical Engineering (ME)

HOME

MY TEST

BOOKMARKS

MY PROFILE

REPORTS

BUY PACKAGE

ASK AN EXPERT

OFFER

EXCLUSIVE OFFER FOR OTS

STUDENTS ONLY ON BOOK
PACKAGES

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