Related Questions

For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as
A dry of OMC and wet of OMC
B wet of OMC and dry of OMC
C wet of OMC and wet of OMC
D dry of OMC and dry of OMC where OMC is optimum moisture content
Fine grained steels have
A High brittleness
B Higher tendency to distort
C High ductility
D None of these
A coarse grained steel
A Is less tough and has a greater tendency to distort during heat treatment
B Is more ductile and has a less tendency to distort during heat treatment
C Is less tough and has a less tendency to distort during heat treatment
D Is more ductile and has a greater tendency to distort during heat treatment
A coarse grained grinding wheel is used to grind
A Hard and brittle materials
B Soft and ductile materials
C Hard and ductile materials
D Soft and brittle materials
Coarse grained soils are best compacted by a
A drum roller
B rubber tyred roller
C sheep’s foot roller
D vibratory roller
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?
A constant head method
B falling head method
C both the above
D none of the above
The Gneiss is a coarse grained:
A Volcanic Rock
B Igneous Rock
C Metamorphic Rock
D Sedimentary Rock
Steels with high carbon equivalent have poor weldability, because in these steels during welding
A Carbon and other alloying elements get oxidised from the weld pool
B Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld
C Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
D Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld
For hardening alloy steels and high speed steels, they are heated to
A 1100 to 1300°C
B 1300 to 1500°C
C 500 to 600°C
D 700 to 900°C
'Killed steels' are those steels
A Which are destroyed by burning
B Which after their destruction are recycled to produce fresh steel
C Which are deoxidized in the ladle with silicon and aluminium
D In which carbon is completely burnt

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