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. Induction hardening is the process of

Heating and cooling rapidly

Inducing hardness by continuous process

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

Increasing hardness throughout

2. German silver is an alloy of

Silver and some impurities

Refined silver

Nickel and copper

Nickel, Copper and zinc

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

Does not effect

Raises

None of these

Lowers

4. German silver contains

5% silver

1% silver

2% silver

No silver

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

(A) Cementite

(D) None of these

(C) Both ‘A’ and ‘B’

(B) Free graphite

6. A cold chisel is made of

High carbon

H.S.S

Cast iron

Mild steel

7. Inconel is an alloy of

Nickel, chromium and iron

Nickel, zinc

Nickel, Chromium

Nickel, copper

8. Machining properties of steel are improved by adding

Sulphur, lead, phosphorous

Chromium, nickel

Vanadium, aluminium

Silicon, aluminium, titanium

9. The basic constituents of Hastelloy are

Nickel, molybdenum etc.

All of the above

Aluminium, copper etc.

Nickel, Copper, etc.

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

High speed steel

Nickel steel

Heat resisting steel

Stainless steel

Page 2 of 4

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

Chromium

Tungsten

Nickel

Vanadium

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

Fracture due to high impact loads

Deformation under stress

Externally applied forces with breakdown or yielding

None of these

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

All of these

Magnet steel

Alloy and carbon tool steel

High speed tool steel

14. Free carbon in iron makes the metal

Soft and gives a coarse grained crystalline structure

Hard and gives a fine grained crystalline structure

Soft and gives a fine grained crystalline structure

Hard and gives a coarse grained crystalline structure

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

Ductility

Malleability

Brittleness

Plasticity

16. Ball bearings are, usually, made from

Medium carbon steel

Chrome steel

High carbon steel

Low carbon steel

17. Quenching is not necessary when hardening is done by

Case hardening

Any one of these

Flame hardening

Nitriding

18. Hardness of steel depends on

Amount of carbon it contains

The shape and distribution of the carbides in iron

Contents of alloying elements

Method of fabrication

19. Shock resistance of steel is increased by adding

Sulphur, lead and phosphorus

Nickel

Nickel and chromium

Chromium

20. Maximum percentage of carbon in ferrite is

0.25%

0.1%

0.025%

0.06%

Page 3 of 4

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

Creep

Visco elasticity

Boeschinger effect

Hysteresis

22. Solder is an alloy consisting of

Tin, antimony, copper

Tin and lead

Lead and zinc

Tin and copper

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

Brass

Bronze

Muntz metal

Gun metal

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

Vanadium

Chromium

Cobalt

Nickel

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

Anisotropic

Malleable

Homogeneous

Ductile

26. Blast furnace is used to produce

Cast iron

Wrought iron

Pig iron

Steel

27. Corrosion resistance of steel is increased by addition of

Sulphur, phosphorus, lead

Tungsten, molybdenum, vanadium, chromium

Chromium and nickel

Vanadium, aluminium

28. Process of Austempering results in

Martenistic structure

Formation of bainite structure

Carburised structure

Lamellar layers of carbide distributed throughout the structure

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

Vanadium

Manganese

Carbon

Cobalt

30. The blade of a power saw is made of

High speed steel

Boron steel

Malleable cast iron

Stainless steel

Page 4 of 4

31. Railway rails are normally made of

Mild steel

Tungsten steel

High carbon

Alloy steel

32. Cyaniding is the process of

Obtaining cyanide salts

Dipping steel in cyanide bath

Reacting steel surface with cyanide salts

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

33. The hardness of steel depends upon the

Amount of cementite it contains

Amount of carbon it contains

Contents of alloying elements

Method of manufacture of steel

34. Hardness of martensite is about

RC 57

RC 80

RC 65

RC 48

35. Iron ore is usually found in the form of

All of these

Oxides

Sulphides

Carbonates

36. The carbon in the pig iron varies from

1 to 5%

0.5 to 1%

0.1 to 0.5%

5 to 10%

37. An engineer's hammer is made of

Mild steel

High carbon steel

Cast iron

Forged steel

38. Basic constituents of Monel metal are

Nickel, molybdenum

Nickel, copper

Nickel, lead and tin

Zinc, tin, lead

39. Eutectoid steel contains following percentage of carbon

0.02%

0.63%

0.3%

0.8%

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

Invar

Hastelloy

Duralumin

Silver metal

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

Discuss about concrete and its nominal proportions?
Key Benefits of Phd in any Discipline
[PDF] Basic Civil Engineering and Mechanics Available Online in 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

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