Building Materials - Section 3 Multiple Questions and Answers.




36.For the manufacture of stainless steel, steel is mixed with
A. chromium
B. nickel
C. tungsten
D. none of these.

37.Stones used for ornamental work must be
A. soft
B. hard
C. light
D. heavy.

38.Pick up the correct statement from the following:
A. Quick lime is obtained by burning pure lime stone:
B. Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
C. Poor lime is obtained by burning lime stone containing impurities more than 5%
D. All the above.

39.The presence of original rounded surface on the manufactured piece of timber, is called
A. Wane
B. Torn grain
C. Diagonal grain
D. Chipmark.

40.The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
A. radial shakes
B. heart shakes
C. wind cracks
D. twisted fibres.

«»



Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers