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MCQ
282. The portion of bricks at across the width in half is called- [MOCA-19]
half sprit
half closer
half bed
half bat
284. Laterite is chemically classified as [MES-18]
calcareous rock
argillaceous rock
silicious rock
metamorphic rock
286. A good building stone is one which does not absorb more than....of its weight of water after one day's immersion- [BREB-15, MES-18]
5%
10%
15%
25%
287. What are the two main elements of Portland cement? [BREB-17, HED-19]
Lime & Silica
Lime & Iron
Lime & Alumina
Silica & Copper
289. Geologically marble is known as- [PPA-19]
Sedimentary rock
Igneous rock
Metamorphic rock
Stratified rock
290. Gneiss is chemically classified as- [MES-18]
calcareous rock
argillaceous rock
silicious rock
none of these
294. Which of the following is an example of argillaceous rock? [MES-18]
kaolin
slate
laterite
all of these
295. Marble is an example of- [MES-18]
aqueous rocks
metamorphic rock
sedimentary rocks
igneous rocks
296. Which of the following is an example of silicious rock? [MES-18]
granite
gneiss
quartzite
all of these
297. The compressive strength of granite is-(MES-18]
50 to 70 MN/m²
70 to 130 MN/m²
130/to 170 MN/m²
170 to 200 MN/m²
299. The maximum percentage of chemical ingredient of cement is that of- [PPA-19]
magnesium
iron oxide
aluminium
lime