Stones are obtained from rocks that are made up of:
|Answer» B. Minerals|
Which one of the following is not a classification of stones?
|Answer» B. Mineralogical Classification|
The hot molten material occurring naturally below the surface of the Earth is called:
|Answer» C. Magma|
At what depth and rate is a hypabyssal rock formed?
|A.||Slow cooling of magma at considerable depth|
|B.||Quick cooling of magma at a shallow depth|
|C.||Rapid cooling of magma at Earth’s surface|
|D.||Rapid cooling of magma at a shallow depth|
|Answer» B. Quick cooling of magma at a shallow depth|
What is a sedimentary deposit?
|A.||Weathered product remains at site|
|B.||Weathered product carried away in solution|
|C.||Weathered product gets carried away agents|
|D.||Insoluble weathered product is carried away in suspension|
|Answer» D. Insoluble weathered product is carried away in suspension|
Which of the following is not a metamorphic change?
|A.||Calcite to schist|
|B.||Limestone to marble|
|C.||Shale to slate|
|D.||Granite to gneisses|
|Answer» A. Calcite to schist|
Which of the following rocks are hard and durable?
|Answer» B. Siliceous rocks|
Foliated structure is very common in case of:
|Answer» D. Metamorphic rocks|
Granite is a type of:
|Answer» A. Plutonic rock|
Which of the following is a good fire-resistant stone?
|Answer» A. Clay|
What is sand composed of?
|Answer» A. Silica|
Which of the following sand type is excellent for use in mortar and concrete work?
|Answer» C. Pit sand|
Which IS code gives the grading of sand?
|Answer» B. IS 383|
What type of grains constitutes river sand?
|Answer» D. Rounded|
How many classifications are there for sand based on the grain size distribution?
|Answer» A. 3|
Fine sand is generally used for which of the following works?
|D.||Grinding and polishing|
|Answer» C. Plastering|
How is M-sand produced?
|C.||Reusing the debris of demolished building|
|D.||Crushing granite stones|
|Answer» D. Crushing granite stones|
By which of the following ways is lime obtained?
|Answer» C. Burning limestone|
Which of the following pairs is matched properly?
|A.||Class A – Concrete work|
|B.||Class B – Mortar|
|C.||Class C – Masonry work|
|D.||Class D – White washing|
|Answer» B. Class B – Mortar|
Which of the following is a property of Fat Lime?
|A.||Shakes very slowly|
|C.||High degree of plasticity|
|D.||Poor binding property|
|Answer» C. High degree of plasticity|
Lime obtained from calcination of Pure Limestone is called:
|Answer» A. Quick Lime|
Which of the following slakes after few minutes?
|A.||Moderately Hydraulic Lime|
|B.||Eminently Hydraulic Lime|
|C.||Perfectly Hydraulic Lime|
|D.||Feebly Hydraulic Lime|
|Answer» D. Feebly Hydraulic Lime|
Which of the following types of Lime does not exist?
|Answer» B. Roman Lime|
Why is natural cement used very limitedly?
|A.||Brown in Colour|
|B.||Standard consistency is not met with|
|C.||Sets too quickly|
|D.||Particle size is too fine|
|Answer» C. Sets too quickly|
Who invented Portland cement and in which year?
|A.||William Aspdin, 1824|
|B.||William Aspdin, 1840s|
|C.||Joseph Aspdin, 1840s|
|D.||Joseph Aspdin, 1824|
|Answer» B. William Aspdin, 1840s|
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