Skip to content

VideRime Online Learning

Search for:

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

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

Engineering Materials
0

Engineering Materials Practice Set-7

May 15, 2021

Show paginator

Hide paginator

25%

Page 1 of 4

1. The blade of a power saw is made of

Stainless steel

Malleable cast iron

High speed steel

Boron steel

2. Maximum percentage of carbon in ferrite is

0.06%

0.025%

0.25%

0.1%

3. A cold chisel is made of

High carbon

H.S.S

Cast iron

Mild steel

4. German silver contains

No silver

5% silver

2% silver

1% silver

5. An alloy of copper, tin and zinc is known as

Muntz metal

Gun metal

Brass

Bronze

6. Blast furnace is used to produce

Steel

Pig iron

Wrought iron

Cast iron

7. Quenching is not necessary when hardening is done by

Nitriding

Case hardening

Any one of these

Flame hardening

8. Inconel is an alloy of

Nickel, chromium and iron

Nickel, zinc

Nickel, Chromium

Nickel, copper

9. The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as

Creep

Visco elasticity

Hysteresis

Boeschinger effect

10. The strength is the ability of a material to resist

Externally applied forces with breakdown or yielding

Deformation under stress

Fracture due to high impact loads

None of these

Page 2 of 4

11. Ball bearings are, usually, made from

Chrome steel

Low carbon steel

Medium carbon steel

High carbon steel

12. The electric process of steel making is especially adapted to

Magnet steel

All of these

Alloy and carbon tool steel

High speed tool steel

13. The carbon in the pig iron varies from

5 to 10%

1 to 5%

0.1 to 0.5%

0.5 to 1%

14. Machining properties of steel are improved by adding

Sulphur, lead, phosphorous

Vanadium, aluminium

Silicon, aluminium, titanium

Chromium, nickel

15. Hardness of martensite is about

RC 65

RC 48

RC 80

RC 57

16. Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Duralumin

Hastelloy

Invar

Silver metal

17. Shock resistance of steel is increased by adding

Nickel and chromium

Sulphur, lead and phosphorus

Chromium

Nickel

18. Basic constituents of Monel metal are

Nickel, lead and tin

Nickel, molybdenum

Nickel, copper

Zinc, tin, lead

19. The material widely used for making pendulums of clocks is

Heat resisting steel

High speed steel

Nickel steel

Stainless steel

20. Solder is an alloy consisting of

Lead and zinc

Tin and lead

Tin and copper

Tin, antimony, copper

Page 3 of 4

21. Free carbon in iron makes the metal

Soft and gives a fine grained crystalline structure

Hard and gives a coarse grained crystalline structure

Hard and gives a fine grained crystalline structure

Soft and gives a coarse grained crystalline structure

22. Tungsten when added to steel __________ the critical temperature.

Lowers

Raises

None of these

Does not effect

23. Hardness of steel depends on

The shape and distribution of the carbides in iron

Contents of alloying elements

Method of fabrication

Amount of carbon it contains

24. German silver is an alloy of

Silver and some impurities

Nickel, Copper and zinc

Nickel and copper

Refined silver

25. Depth of hardness of steel is increased by addition of

Nickel

Vanadium

Chromium

Tungsten

26. Corrosion resistance of steel is increased by addition of

Sulphur, phosphorus, lead

Chromium and nickel

Vanadium, aluminium

Tungsten, molybdenum, vanadium, chromium

27. The basic constituents of Hastelloy are

Nickel, Copper, etc.

Nickel, molybdenum etc.

Aluminium, copper etc.

All of the above

28. The most effective inhibitor of grain growth, when added in small quantities is

Vanadium

Cobalt

Manganese

Carbon

29. Process of Austempering results in

Lamellar layers of carbide distributed throughout the structure

Carburised structure

Martenistic structure

Formation of bainite structure

30. The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Vanadium

Nickel

Chromium

Cobalt

Page 4 of 4

31. The property of a material due to which it breaks with little permanent distortion, is called

Malleability

Ductility

Plasticity

Brittleness

32. Eutectoid steel contains following percentage of carbon

0.02%

0.3%

0.8%

0.63%

33. The hardness of steel depends upon the

Method of manufacture of steel

Contents of alloying elements

Amount of carbon it contains

Amount of cementite it contains

34. Cyaniding is the process of

Obtaining cyanide salts

Reacting steel surface with cyanide salts

Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness

Dipping steel in cyanide bath

35. Railway rails are normally made of

High carbon

Tungsten steel

Mild steel

Alloy steel

36. Iron ore is usually found in the form of

All of these

Carbonates

Sulphides

Oxides

37. By severely deforming a metal in a particular direction it becomes

Ductile

Anisotropic

Malleable

Homogeneous

38. When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.

(D) None of these

(C) Both ‘A’ and ‘B’

(A) Cementite

(B) Free graphite

39. An engineer's hammer is made of

High carbon steel

Forged steel

Cast iron

Mild steel

40. Induction hardening is the process of

Heating and cooling rapidly

Increasing hardness throughout

Hardening surface of work-piece to obtain hard and wear resistant surface

Inducing hardness by continuous process

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.

Leave a ReplyCancel reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Ads by Google

Recent Posts

Key Benefits of Phd in any Discipline
[PDF] Basic Civil Engineering PDF by S.S. Bhavikatti
Best 20 trending Topics for final year major projects in Civil Engineering
Explain different types of road bridges through neat sketches
What are the best video editing softwares
Explain the working of marshalling yard through neat diagram
Classification of Indian Railways in detail
What do you mean by coning of wheels? Also discuss its advantages.

Membership Registration

Secured Payment

Protection

DMCA.com Protection Status

VideRime.com is the leading online Learning portal. ©2026 All Rights Reserved.

Login Now

Google

OR

* Username

*

* Password

*

Remember me

Forgot Password

Don't have account? Register Now

VideRime Registration Form

* Username

*

* Username

*

* Last Name

*

* Email Address

*

* Confirm Email Address

*

* Password

*

Strength: Very Weak

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

Already have an account? Login