a) Loose grainsb) Crystalline structurec) Cavitiesd) Cracks Answer: bExplanation: Texture is the grains composing the ...
View QuestionThe percentage absorption by weight of a good stone, after how many hours should not exceed .6?
a) 6 hrsb) 12 hrsc) 48 hrsd) 24 hrs Answer: dExplanation: As per IS standards, ...
View QuestionWhat is the required specific gravity for a good building stone?
a) Greater than 2.7b) Less than 3c) Greater than 3d) Less than 2.7 Answer: aExplanation: ...
View QuestionHardness is an important parameter considered in the construction of:
a) Slabsb) Wallsc) Bridgesd) Arches Answer: cExplanation: It’s required in structures subjected to heavy loading. ...
View QuestionWhy are stones with lighter shades of colour preferred?
a) Easy to cleanb) Easily availablec) Don’t spoil the appearanced) Darker shades are heavier Answer: ...
View QuestionWhat is a freestone?
a) Stone free from impuritiesb) Stone that doesn’t require dressingc) Metamorphic stoned) Stone free from veins and planes ...
View QuestionWhich of the following is a good fire-resistant stone?
a) Clayb) Granitec) Quartzd) Limestone Answer: aExplanation: Granite and Quartz undergo sudden expansion and flies ...
View QuestionFor a good building stone how much is the required crushing strength?
a) Less than 50 N/mm2 b) Greater than 100 N/mm2 c) 155 N/mm2 d) 10 N/mm2 Answer: b ...
View QuestionDynamite is a more effective explosive than gelignite.
a) Trueb) False Answer: bExplanation: Gelignite is more convenient to use and can be used ...
View QuestionQuarry faced finished stones are also called:
a) Reticulated finishb) Hammer faced finishedc) Rock faced stonesd) Plain finish Answer: cExplanation: Quarry faced ...
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