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Test: Engineering Alloys & Its Common Applications - 3 - Mechanical Engineering MCQ


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30 Questions MCQ Test - Test: Engineering Alloys & Its Common Applications - 3

Test: Engineering Alloys & Its Common Applications - 3 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Engineering Alloys & Its Common Applications - 3 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Engineering Alloys & Its Common Applications - 3 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Engineering Alloys & Its Common Applications - 3 below.
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Test: Engineering Alloys & Its Common Applications - 3 - Question 1

The correct sequence of elements of 18-4-1 HSS tool is

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 1

Composition of high speed steel is
C = 0.67%
W = 18%
Cr = 4%
V = 1%
It is also called 18-4-1 steel.

Test: Engineering Alloys & Its Common Applications - 3 - Question 2

Which is closest to the purest form of iron

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 2

Wrought iron contains as much as 99.9% of iron. Since it contains very little amount of Carbon, it is very pure iron.

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Test: Engineering Alloys & Its Common Applications - 3 - Question 3

Cupola is used to make

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 3

Cupola furnace is used to produce cast iron from the Pig Iron.

Test: Engineering Alloys & Its Common Applications - 3 - Question 4

Which among the following has poorest weldability

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 4

As the amount of carbon increases, its weldability increases since from the material given, high carbon steel has maximum amount of carbon, it will posses poorest weldability.

Test: Engineering Alloys & Its Common Applications - 3 - Question 5

Balls for ball bearings are made of

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 5

Carbon chrome steel contains
C = 0.36%, Cr = 15%
this composition of steel is known as Carbon Chrome Steel and useful in manufacturing of springs, ball and roller bearings.

Test: Engineering Alloys & Its Common Applications - 3 - Question 6

Steel widely used for making precision measuring instruments is

Test: Engineering Alloys & Its Common Applications - 3 - Question 7

Which of the following is correct statement regarding free cutting steel?

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 7

Free cutting steels also called free machining steel. The free cutting steel have higher amount of Sulphur as compared to other Steel and used where rapid machining and high quality surface finish is primary requirement.

Test: Engineering Alloys & Its Common Applications - 3 - Question 8

Alloy steel which is work hard enable and which is used to make the blade of bull dozers, bucket wheel excavators and other earth moving equipment contain Iron, Carbon and

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 8

When manganese in steel is more than 12%. It is called hadfield steel and used to make the blade of bull dozers and other earth moving equipment.

Test: Engineering Alloys & Its Common Applications - 3 - Question 9

Machinability of steel is improved by adding

Test: Engineering Alloys & Its Common Applications - 3 - Question 10

Alloy containing Tin is

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 10

Gun Metal: It is an alloy of Copper, Tin and Zinc.
Phosphorous Bronze: It is most important alloy of Copper and Tin,
White Metal: It is also called Babbitt. They are of two types lead base and Tin base depending upon the major alloying element.

Test: Engineering Alloys & Its Common Applications - 3 - Question 11

Babbitts are used for

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 11

Babbitt is most popular bearing material. Babbitts have excellent conformability and embeddability, Tin base Babbitt have better corrosion resistance and can be easily bonded to steel shells.

Test: Engineering Alloys & Its Common Applications - 3 - Question 12

A steel containing 36% Nickel is called

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 12

Invar consists of 36% Nickel, 64% Iron

Test: Engineering Alloys & Its Common Applications - 3 - Question 13

Cast iron is used for machine beds because of its high

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 13

Since cast iron have the ability to damp small vibration, it is widely used in machine beds and in other equipment where small vibrations appear.

Test: Engineering Alloys & Its Common Applications - 3 - Question 14

Addition of magnesium to cast iron increases its

Test: Engineering Alloys & Its Common Applications - 3 - Question 15

Tin base white metal are used where the bearing are subjected to

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 15

Tin base white metal posses good corrosion and wear resistance.

Test: Engineering Alloys & Its Common Applications - 3 - Question 16

Shock resistance property of steel is increased by adding

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 16

Nickel improves tensile strength, raises elastic limit, imparts hardness, toughness and increases corrosion resistance.
Chromium increases strength, hardness and corrosion resistance.

Test: Engineering Alloys & Its Common Applications - 3 - Question 17

Puddling is the process employed for converting

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 17

Wrought iron is formed from the Pig Iron by puddling process.

Test: Engineering Alloys & Its Common Applications - 3 - Question 18

Casting ability of aluminium increases when

Test: Engineering Alloys & Its Common Applications - 3 - Question 19

Globular form of cementite in the structure of steel is obtained through

Test: Engineering Alloys & Its Common Applications - 3 - Question 20

Constantan is one metallic alloy used for making thermocouple wires, its constituents are

Test: Engineering Alloys & Its Common Applications - 3 - Question 21

Addition of vanadium to steel results in improvement of

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 21

Vanadium is added in Sow and medium carbon steels in order to increase their yield and tensile strength properties. In combination with chromium. It produces a marked effect on the properties of steel and makes the steel extremely tough and strong, these steels are largely used for making spring steel,.high speed tool steels, crankshaft etc.

Test: Engineering Alloys & Its Common Applications - 3 - Question 22

Alloying element which can replace tungsten in high speed steels is

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 22

Molybdenum and tungsten both raises the critical temperature of steel and hence it is used in increasing the strength of the alloyed steels at high temperature.

Test: Engineering Alloys & Its Common Applications - 3 - Question 23

Composition of Monei metal is

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 23

Monel metal consists of 68% Ni, 29% Cu, 3% other constituents.
It is superior to brass and bronze in corrosion resisting properties.

Test: Engineering Alloys & Its Common Applications - 3 - Question 24

Killed steels

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 24

During the casting of steel, since it undergoes a number of phase transformation, it has a tendency to capture oxygen from the surroundings. This oxygen can be removed by adding silicon in the material. When removal of oxygen is total. It is called killed steel.

Test: Engineering Alloys & Its Common Applications - 3 - Question 25

The percentage of carbon in grey cast iron is in the range of

Test: Engineering Alloys & Its Common Applications - 3 - Question 26

German silver contains

Test: Engineering Alloys & Its Common Applications - 3 - Question 27

Cold working of steel is defined as working

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 27

Cold workin g is carried out below the recrystallization temperature and hot working is carried out above the recrystallization temperature but below melting or burning point.

Test: Engineering Alloys & Its Common Applications - 3 - Question 28

Which one of the following is the binding material in cemented carbide tool

Detailed Solution for Test: Engineering Alloys & Its Common Applications - 3 - Question 28

Cemented carbide tool is made on the base of cobalt and cobalt act as binding material.

Test: Engineering Alloys & Its Common Applications - 3 - Question 29

Coefficient of expansion is practically nil in a particular alloy. What is this alloy?

Test: Engineering Alloys & Its Common Applications - 3 - Question 30

Presence of sulphur makes steel brittle. The effect can be reduced by adding

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