Skip to content

VideRime Online Learning

Search for:

Home
GK/GA MCQs
Questions?
- Ask Question
- Questions
Direct Links
Submit Article
Contact Us
VideRime Membership
Login

Home
GK/GA MCQs
Questions?
- Ask Question
- Questions
Direct Links
Submit Article
Contact Us
VideRime Membership
Login

Search for:

Engineering Materials
2

Engineering Materials Practice Set-1

May 7, 2021

Show paginator

Hide paginator

25%

Page 1 of 4

1. Bell metal contains

85 - 92% copper and rest tin with little lead and nickel

70% copper and 30% zinc

70 - 75% copper and rest tin

90% copper and 10% tin

2. When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Mainly pearlite

Mainly ferrite

Ferrite and pearlite

Pearlite and cementite

3. Which of the following has a fine gold colour and is used for imitation jewellery?

Aluminium bronze

Gun metal

Babbitt metal

Silicon bronze

4. Pick up the wrong statement

Nickel and chromium in steel helps in raising the elastic limit and improve the resilience and ductility

Aluminium in steel results in excessive grain growth

Tungsten in steels improves magnetic properties and hardenability

Manganese in steel induces hardness

5. The following element can't impart high strength at elevated temperature

Nickel

Manganese

Magnesium

Silicon

6. Pipes for bicycle frames are made of

Hot rolled steel

Cast steel

Forged steel

Cold rolled steel

7. Which of the following statement is wrong?

Steel with 0.8% carbon is wholly pearlite

The cementite is identified as round particles in the structure

The amount of cementite increases with the increase in percentage of carbon in iron

A mechanical mixture of 87% cementite and 13% ferrite is called pearlite

8. Dow metal contains

90% magnesium and 9% aluminium with some copper

94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

90% aluminium and 90% copper

92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg

9. The silicon steel is widely used for

Generators and transformers in the form of laminated cores

Connecting rods

Motor car crankshafts

Cutting tools

10. Steel contains

50% or more iron

80% or more iron

Elements like phosphorus, sulphur and silicon in varying quantities

Alloying elements like chromium, tungsten nickel and copper

Page 2 of 4

11. Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons.

None of these

More than

Less than

Equal to

12.

Blast furnace produces following by reduction of iron ore

Malleable iron

Pig iron

Cast iron

Wrought iron

13. Heavy duty leaf and coil springs contain carbon of the following order

0.5%

0.8%

0.2%

1.0%

14. The charge of the blast furnace consists of

Calcined ore, coke and limestone all in equal parts

Calcined ore (4 parts), coke (1 part) and limestone (8 parts)

Calcined ore (1 part), coke (8 parts) and limestone (4 parts)

Calcined ore (8 parts), coke (4 parts) and limestone (1 part)

15. Which of the following alloys does not have copper as one of the constituents?

Delta metal

Constantan

Monel metal

Nichrome

16. In spheroidising process, the steel is

Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C

Heated up to the lower critical temperature and then cooled in still air

Heated below the lower critical temperature and then cooled slowly

None of the above

17. Brass (alloy of copper and zinc) is an example of

Intermetallic compounds

Substitutional solid solution

All of the above

Interstitial solid solution

18. The composition of silver solder is

Silver, copper, aluminium

Silver, lead, zinc

Silver, tin, nickel

Silver, copper, zinc

19. When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.

More than

Equal to

None of these

Less than

20. Pick up the wrong statement Nickel and chromium in steel help in

Raising the elastic limit

Improving machining properties

Providing high strength at elevated temperatures

Providing corrosion resistance

Page 3 of 4

21. Amorphous material is one

Which emits fumes on melting

In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid

Which is not attacked by phosphorous

In which atoms align themselves in a geometric pattern upon solidification

22. The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C above upper critical temperature

30° C to 50° C above lower critical temperature

30° C to 50° C below lower critical temperature

30° C to 50° C below upper critical temperature

23. Nickel in steel

Gives ductility, toughness, tensile strength and anti-corrosion properties

Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties

Improves wear resistance, cutting ability and toughness

Improves cutting ability and reduces hardenability

24. A coarse grained steel

Is more ductile and has a greater tendency to distort during heat treatment

Is less tough and has a greater tendency to distort during heat treatment

Is more ductile and has a less tendency to distort during heat treatment

Is less tough and has a less tendency to distort during heat treatment

25. Cemented carbide tools are not found to be suitable for cutting

Steel

Cast iron

Brass

Aluminium

26. In process annealing, the hypo eutectoid steel is

Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace

Heated below or closes to the lower critical temperature and then cooled slowly

Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air

Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium

27. For a steel containing 0.8% carbon

There is no critical point

There is only one critical point

There can be any number of critical points

There are two critical points

28. Which of the following impurity in cast iron makes it hard and brittle?

Silicon

Phosphorus

Sulphur

Manganese

29. Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element

Iron

Nickel

Aluminium

Copper

30. The percentage carbon content in wrought iron is about

0.02

0.2

0.1

0.4

Page 4 of 4

31. Normalising of steel is done to

Refine the grain structure

All of the above

Remove strains caused by cold working

Remove dislocations caused in the internal structure due to hot working

32. The correct composition of Babbitt metal is

90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg

82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg

87% Sn, 4% Cu, 8% Sb, 1% Al

87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi

33. Which one of the following metals would work-harden more quickly than the others?

Lead

Brass

Copper

Silver

34. Tensile strength of steel can be safely increased by

Adding small quantities of copper

Adding carbon up to 0.83%

Adding carbon up to 2.8%

Adding carbon up to 6.3%

35. According to Indian standard specifications, SG 400/15 means

None of the above

Spheroidal graphite cast iron with minimum tensile strength 400 MPa and 15 percent elongation

Spheroidal graphite cast iron with minimum compressive strength 400 MPa and 15 percent reduction in area

Spheroidal graphite cast iron with B.H.N. 400 and minimum tensile strength 15 MPa

36. Which of the following metal is used for nuclear energy?

Thorium

Uranium

Niobium

All of these

37. Body centered cubic space lattice is found in

Alpha iron, tungsten, chromium and molybdenum

None of the above

Zinc, magnesium, cobalt, cadmium, antimony and bismuth

Gamma iron, aluminium, copper, lead, silver and nickel

38. Y-alloy contains

4 to 4.5% magnesium, 3 to 4% copper and rest aluminium

5 to 6% tin, 2 to 3% copper and rest aluminium

3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium

3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium

39. In a hardening process, the hypo-eutectoid steel is

Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium

Heated below or closes to the lower critical temperature and then cooled slowly

Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace

Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air

40. Which of the following has highest specific strength of all structural materials?

Chromium alloys

Magnetic steel alloys

Magnesium alloys

Titanium alloys

Loading...

Share this Now with Friends:

WhatsApp
Telegram
More

Related

Tags: Engineering Materials Mechanical Engineering

VideRime

A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

2 Responses

Comments2
Pingbacks0

anm"ala dig till binance says:
March 15, 2026 at 10:21 am
I don’t think the title of your article matches the content lol. Just kidding, mainly because I had some doubts after reading the article. https://accounts.binance.com/de-CH/register?ref=W0BCQMF1
Reply
创建Binance账户 says:
March 15, 2026 at 11:15 pm
Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me.
Reply

Leave a ReplyCancel reply

500 MCQs Aptitude Automobile Automobile Engineering MCQs Average BMI Body Mass Index bricks Building Material MCQs CIVIL ENGINEERING Engineering Engineering Drawing MCQs Engineering Materials Equipments foundation engineering GENERAL SCIENCE QUIZ Geotechnical Engineering glass Google Adsense Google AdSense Account IC engines MCQs India Instagram lava lose weight manufacturing process of clay bricks Mechanical Engineering physical properties of structural steel qualities of good brick quality of bricks Refrigeration & Air-Conditioning RGPV BTech Civil papers RGPV Diploma Civil RGPV PAPERS Rigid pavements Seepage pressure special types of concrete structural steel Surveying test on bricks Trusses types of cement voter id YouTube YouTube account

Secured Payments

Protection

Home
Indian History Quiz
General Science Quiz
Computer Quiz
Geography Quiz
Indian polity Quiz
Questions
Civil Engineering
Electronics and Communication
Mechanical Engineering MCQs
Electrical Engg.

VideRime.com is the leading online Learning portal. 2023 All Rights Reserved.

VideRime Membership

Membership for One Year
₹499.00
Membership for One Year without any restrictions. We upload new MCQs on Daily basis. We have 10000+ MCQs more than any industry in education at LOW Cost.
Membership for 6 Months
₹249.00
Access All Premium Content for 6 months without any Restrictions.
Membership for 3 months
₹99.00
Membership for Unlimited Use
Membership for 1 months
₹49.00
Access All Premium Content for 1 months without any Restrictions. SSC JE CIVIL, Mechanical, RRB, HSSC, HPSC, MPPSC के लिए सभी बहुविकल्पीय प्रश्न (MCQs) प्राप्त करें |

Select Your Payment Cycle

449.00 INR as One Time payment for 6 months

Select Your Payment Cycle

99.00 INR as One Time payment for 1 month

Signup Form

* Username

*

* First Name

*

* Last Name

*

* Email Address

*

* Password

*

Strength: Very Weak

(Use Cropper to set image and
use mouse scroller for zoom image.)

Select Your Payment Gateway

Google Pay/ Phone Pay/ Paytm/ PayUmoney

How you want to pay?

Auto Debit Payment

Manual Payment

Payment Summary

Your currently selected plan : , Plan Amount :

Coupon Discount Amount : , Final Payable Amount:

Already have an account? Login

VideRime Membership

Membership for One Year
₹499.00
Membership for One Year without any restrictions. We upload new MCQs on Daily basis. We have 10000+ MCQs more than any industry in education at LOW Cost.
Membership for 6 Months
₹249.00
Access All Premium Content for 6 months without any Restrictions.
Membership for 3 months
₹99.00
Membership for Unlimited Use
Membership for 1 months
₹49.00
Access All Premium Content for 1 months without any Restrictions. SSC JE CIVIL, Mechanical, RRB, HSSC, HPSC, MPPSC के लिए सभी बहुविकल्पीय प्रश्न (MCQs) प्राप्त करें |

Select Your Payment Cycle

449.00 INR as One Time payment for 6 months

Select Your Payment Cycle

99.00 INR as One Time payment for 1 month

Signup Form

* Username

*

* First Name

*

* Last Name

*

* Email Address

*

* Password

*

Strength: Very Weak

Select Your Payment Gateway

Google Pay/ Phone Pay/ Paytm/ PayUmoney

How you want to pay?

Auto Debit Payment

Manual Payment

Payment Summary

Your currently selected plan : , Plan Amount :

Coupon Discount Amount : , Final Payable Amount:

Already have an account? Login