1 The sand is mixed with lime mortar to- reduce setting time O improve strength O...

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1 The sand is mixed with lime mortar to- reduce setting time O improve strength O prevent shrinkage and cracking O (b and a) 2 Pig iron is a product of- Bessemer converter open hearth furnace O blast furnace O all of them O 3 is the core of the tree or the .innermost central portion pith husk O sap marrow ray O 4 Bessemer process is used for the - --- manufacture of cast iron pig iron O steel O wrought iron O 5 has high calcium content- Dolomatic lime O magnesium lime calcium lime hydraulic lime 6 Trap is an example of --------rocks- sedimentary volcanic metamorphic plutonic 7 is the purest form of iron---- cast iron wrought iron mild steel high carbon steel 8 Depending on the chemical composition- and mechanical properties, iron may be classified as cast iron wrought iron O steel O all the above 9 is plain tiles, face with---- horizontal and vertical sewing ordinary tiles O engraved tiles O colored tiles O tartwar tiles 9- Annual ring of the tree represent its- life O strength density type O 10 The strength of timber -------with- -misture content, up to the fiber saturation point, at which no farther decrease occurs decresese, increasing O increases, increasing O remain the same, increasing O all of them O 1 The sand is mixed with lime mortar to- reduce setting time O improve strength O prevent shrinkage and cracking O (b and a) 2 Pig iron is a product of- Bessemer converter open hearth furnace O blast furnace O all of them O 3 is the core of the tree or the .innermost central portion pith husk O sap marrow ray O 4 Bessemer process is used for the - --- manufacture of cast iron pig iron O steel O wrought iron O 5 has high calcium content- Dolomatic lime O magnesium lime calcium lime hydraulic lime 6 Trap is an example of --------rocks- sedimentary volcanic metamorphic plutonic 7 is the purest form of iron---- cast iron wrought iron mild steel high carbon steel 8 Depending on the chemical composition- and mechanical properties, iron may be classified as cast iron wrought iron O steel O all the above 9 is plain tiles, face with---- horizontal and vertical sewing ordinary tiles O engraved tiles O colored tiles O tartwar tiles 9- Annual ring of the tree represent its- life O strength density type O 10 The strength of timber -------with- -misture content, up to the fiber saturation point, at which no farther decrease occurs decresese, increasing O increases, increasing O remain the same, increasing O all of them O