A. only (3)
B. both (1) and (3)
C. both (2) and (3)
D. all (1), (2) and (3)
A. parallel to grains
B. 45° to grains
C. perpendicular to grains
D. same in all directions
In which of the following directions, the strength of timber is maximum ? Read More »
Building Materials and Construction A. lack of ventilation
B. alternate wet and dry conditions
C. complete submergence in water
D. none of the above
The disease of dry rot in timber is caused by_____________? Read More »
Building Materials and Construction A. heart shakes
B. cupshakes
C. starshakes
D. rindgalls
A. deodar
B. chir
C. shishum
D. e
Which of the following trees yields hard wood ? Read More »
Building Materials and Construction A. deodar and shishum
B. chir and sal
C. sal and teak
D. chir and deodar
In which of the following pairs both trees yield soft wood ? Read More »
Building Materials and Construction A. innermost annular rings around the pith
B. portion of timber between heartwood and cambium layer
C. thin layers below the bark
D. thin fibre which extends from the pith outwards and holds the annular rings together
Sapwood consists of______________? Read More »
Building Materials and Construction A. mulberry
B. mahogany
C. sal
D. deodar
Which of the following timbers is suitable for making sports goods ? Read More »
Building Materials and Construction A. driving wooden headed chisels
B. rough dressing of stones
C. carving of stones
D. breaking small projection of stones
Spalling hammer is used for_____________? Read More »
Building Materials and Construction A. 50 MPa
B. 100 MPa
C. 150 MPa
D. 200 MPa
Crushing strength of a good building stone should be more than____________? Read More »
Building Materials and Construction