Important Questions for Engineering Materials -2

Posted on by Iyman Faisal
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23. Which of the following materials has the highest compressive strength

a) Wood
b) Steel
c) Concrete
d) Brick 

 Concrete

24. Gypsum board is used due to

a) Low cost.
b) Ease of construction.
c) Recycling
d) All of the above.

All of the above. 

 

25. Who perform test on engineering product to determine their reliability and Suitability:

a) Production Engineer.
b) Research Engineer.
c)Testing Engineer.
d) Development Engineer

Testing Engineer.  

26. Maximum backfilling height as per QCS

 

a)    Champers & Pit — 300 mm

b)   Trenches —150 mm

c)    Non cohesive soil—100 mm

d)   Cohesive soil – 300mm

e)    All of the above 

 All of the above 

27.  When equal and opposite forces applied to a body, tend to elongate it, the stress produced is called:

 

a)       Shear stress

b)       Compressive stress

c)       Tensile stress

d)       Transverse stress 

Tensile stress 

28.To change from metric to inch

 

a)    Divide by 0.0254

b)    Divide by 0.0250

c)    Multiple by 0.0254

d)    Multiple by 0.0250 

Divide by 0.0254 

29. Which is the authority/organization/person responsible to ensure that the standards, codes, Procedures are being applied

 

a)    Committee of professional engineers 

b)   National Fire Prevention Association 

c)    Qatar Civil Defense

d)   None of these 

Qatar Civil Defense 

30. Which material is commonly used as a fine aggregate in concrete?
a) Gravel
b) Cement
c) Sand
d) Clay

Sand

 

31. Timber important factor to be used as a beam member:

a) Strength
b) Hard to bend
c) Smooth surface
d) None of these

Smooth surface

32. What is the primary binding material in concrete?

a) Sand
b) Cement
c) Gravel
d) Water

Cement

33. The process of making concrete stronger by keeping it moist is known as:

a) Casting
b) Molding
c) Curing
d) Mixing

Curing

34. AASHTO means:  

a)    American Association of System Highway & Transportation

Officials

b)   American Association of State Highway & Transportation

Officials

c)    American Accredited  of State Highway & Transportation

Officials

d)   None of Above 

American Association of State Highway & Transportation Officials 

35. Which material is commonly used for reinforcing concrete?

a) Aluminum
b) Iron
c) Steel
d) Copper

Steel

 

36. Which of the following materials is best known for its tensile strength?

a) Concrete
b) Steel
c) Wood
d) Brick

Steel

 

37. What is the main purpose of adding gypsum to cement?

a) To increase strength
b) To delay setting time
c) To reduce heat of hydration
d) To increase fineness

To delay setting time

38. The primary component of Portland cement is:

a) Limestone
b) Clay
c) Gypsum
d)  Iron ore

Limestone

39. Which type of cement is most suitable for marine structures?


a) Ordinary Portland Cement
b) Rapid Hardening Cement
c) Sulphate Resisting Cement
d) White Cement

Sulphate Resisting Cement

 

40. Aggregate used in concrete should ideally be:

a) Weak and porous
b) Hard and dense
c) Soft and lightweight
d) Fine and flaky

Hard and dense

 

41. ASTM means: 

 

a)    American Society for Testing and Materials

b)   African Society for Testing and Materials

c)    Australian Society for Testing and Materials

d)   Asian Society for Testing and Material 

  American Society for Testing and Materials 

42. What is the approximate pH value of fresh Portland cement?

a)  7
b) 9
c) 11
d) 13

13

43. In brick masonry, the compressive strength of bricks should not be less than:

a) 3 MPa
b) 5 MPa
c) 10 MPa
d) 15 MPa

10 MPa

44. QSAS means :  

 

a)    Qatar Society Assessment System

b)   Qatar System Assessment System

c)    Qatar Standard Assessment System

d)   Qatar Sustainability Assessment System 

Qatar Sustainability Assessment System 

45. What is QCS

a) Qatar Construction Specification (2014

b) Qatar Construction Standards (2010)

c) (a) and (b)

d) None of these 

(a) and (b) 

46. QCS: (2014) means: 

 

a)    Qatar Construction Specification

b)   Qatar Construction Standard

c)    Qatar Construction System 

d)   None of Above 

Qatar Construction Specification 

47. PWA means:

a) Public Works Assessment
b) Public Works Affairs
c) Public Works Authority
d) None of above

 Public  Works Authority  

48. What does the ratio of stress over strain: 

a)Bulk Modulus 
b)Poisson’s ratio 
c)Viscosity ratio 
d)Modulus of Elasticity ratio 

Modulus of Elasticity ratio 

49. QCS: (2010):

a) Qatar Construction Standards
b) Qatar Construction specialized
c) Qatar Construction System
d) None of above

Qatar Construction Standards 

50. BS means:  

 

a)   British System

b)   British Standards

c)   British Specification

d)   None of Above 

British Standards 


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