Description : Among the following, the substance that is considered to be the earliest stage in coal formation is: w) sub-bituminous x) bituminous y) anthracite z) lignite
Last Answer : ANSWER: Z -- LIGNITE
Description : In terms of quality, what is the highest ranked coal? w) peat x) bituminous y) anthracite z) lignite
Last Answer : ANSWER: Y -- ANTHRACITE
Description : Of the following states, the principal bituminous coal producing state in the United States is: w) Tennessee x) Illinois y) Pennsylvania z) West Virginia
Last Answer : ANSWER: Z -- WEST VIRGINIA
Description : The metamorphic rock which forms from pure limestone is: w) slate x) gneiss y) schist z) marble
Last Answer : ANSWER: Z -- MARBLE
Description : Which of the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble
Description : The solidified lava of a volcano belongs to which rock family? Is it: w) igneous x) metamorphic y) sedimentary z) fossilized
Last Answer : ANSWER: W -- IGNEOUS
Description : Which one of the following lists four type of coal, arranged in the increasing order of their carbon content? (a) Peat, Lignite, Bituminous, Anthracite (b) Peat, Bituminous, Lignite, Anthracite (c) Lignite, Peat, Bituminous, Anthracite (d) Peat, Anthracite, Lignite, Bituminous
Last Answer : Ans: (a)
Description : The highest grade and best quality coal is – (1) Lignite (2) Peat (3) Bituminous (4) Anthracite
Last Answer : (4) Anthracite Explanation: Anthracite is usually considered to be the highest grade of coal and is actually considered to be metamorphic. Compared to other coals it is much harder, has a glassy ... with few impurities. It is largely used for heating domestically as it burns with little smoke.
Description : Which one of the following is known as the 'brown coal'? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite
Last Answer : (4) Lignite Explanation: Lignite, often referred to as brown coal, is a soft brown fuel with characteristics that put it somewhere between coal and peat. It is considered the lowest rank of coal. It has ... 66%, and an ash content ranging from 6% to 19% compared with 6% to 12% for bituminous coal.
Description : Which one of the following is known as the ‘brown coal’? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite
Last Answer : (4) Lignite Explanation: Lignite, often referred to as brown coal, is a soft brown fuel with characteristics that put it somewhere between coal and peat. It is considered the lowest rank of coal. It has a carbon content of around 2530%.
Description : Which is the highest quality of hard coal? (1) Anthracite (2) Bituminous (3) Lignite (4) Peat
Last Answer : (1) Anthracite Explanation: Anthracite is the highest rank of coal. It is the most metamorphosed type of coal, in which the carbon content is between 92.1% and 98%. Anthracite coal generally has ... heating value per ton on a mineralmatter-free basis. Anthracite is often referred to as hard coal.
Description : Highest percentage of carbon is found in which form of coal? (1) Anthracite (2) Bituminous (3) Peat (4) Lignite
Last Answer : (1) Anthracite Explanation: Anthracite is the highest rank of coal since it has a carbon content of over 87% on a dry ash-free basis. Anthracite coal generally has the highest heating value per ton on a mineral-matter-free basis. It has a bright luster and breaks with a semi-conchoidal. fracture.
Description : Which of the following type of coal has the lowest proportion of volatile matter? (1) Lignite (2) Peat (3) Bituminous (4) Anthracite
Last Answer : (4) Anthracite Explanation: Anthracite has the lowest proportion of volatile matter. Volatile matter in coal refers to the components of coal, except for moisture, which are liberated at ... hydrocarbons and some sulfur. The volatile matter of coal is determined under rigidly controlled standards.
Description : Which one of the following types of coal contains a higher percentage of carbon than the rest? (1) Bituminous coal (2) Lignite (3) Peat (4) Anthracite
Last Answer : (4) Anthracite Explanation: Anthracite is thecoal that gives the most energy and the least pollution (it produces lots of CO2). It is the ideal fuel for power station.
Description : Which of the following can be made into briquettes without the use of a binder? (A) Lignite (B) Bituminous coal (C) Anthracite coal (D) None of these
Last Answer : (A) Lignite
Description : The difference between total carbon and fixed carbon of coal will be minimum in case of (A) Lignite (B) Bituminous coal (C) Anthracite (D) High temperature coke (V.M < 0.5%)
Last Answer : (D) High temperature coke (V.M < 0.5%)
Description : Which of the following has the highest calorific value? (A) Lignite (B) Sub-bituminous coal (C) Anthracite (D) Peat
Last Answer : (C) Anthracite
Description : The most matured coal out of the following is (A) Lignite (B) Semi-anthracite (C) Sub-bituminous (D) Bituminous
Last Answer : (B) Semi-anthracite
Description : Hard coke is manufactured from (A) Lignite (B) Bituminous coal (C) Semi-anthracite (D) Anthracite
Last Answer : (B) Bituminous coal
Description : Which is the most matured coal? (A) Lignite (B) Bituminous (C) Semi-anthracite (D) Anthracite
Last Answer : (D) Anthracite
Last Answer : Anthracite
Description : Which one of the following is known as the ‘brown coal’ ? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite
Last Answer : Lignite
Description : Which of the following type of coal has the lowest proportion of volatile matter ? (1) Lignite (2) Peat (3) Bituminous (4) Anthracite
Description : The highest grade and best quality coal is (1) Lignite (2) Peat (3) Bituminous (4) Anthracite
Description : When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite
Last Answer : ANSWER: Y -- SHALE
Description : Which of the following is an igneous rock? w) Granite x) Shale y) Coal z) Slate
Last Answer : ANSWER: W -- GRANITE
Description : What type of rocks are formed as a result of volcanic activity? w) metamorphic x) sedimentary y) igneous z) Hudson
Last Answer : ANSWER: Y -- IGNEOUS
Description : Which of the following coals has the highest calorific value? (A) Lignite (B) Sub-bituminous (C) Anthracite (D) Peat
Description : Coal is believed to have been principally formed in which of the following types of environment? w) river beds x) swamps y) volcanic regions z) deserts
Last Answer : ANSWER: X -- SWAMPS
Description : Which of the following time periods describes the age of the coal deposits of the Eastern United States? w) Jurassic and Cambrian x) Mississippian and Pennsylvanian y) Pliocene and Miocene z) none of these
Last Answer : ANSWER: X -- MISSISSIPPIAN AND PENNSYLVANIAN
Description : The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum
Last Answer : ANSWER: W -- SANDSTONE
Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble
Last Answer : ANSWER: X -- CONGLOMERATE
Description : Winds are classed as agents of erosion rather than of weathering because: w) they have nothing to do with the weather x) they carry rock particles away y) they work only part of the time z) they build up rather than wear down the rock
Last Answer : ANSWER: X -- THEY CARRY ROCK PARTICLES AWAY
Description : Of the following choices, the color purple on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations
Last Answer : ANSWER: Y -- PHOTOREVISION
Description : Of the following, the color blue on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations
Last Answer : ANSWER: X -- WATER
Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite
Last Answer : ANSWER: W -- FELDSPAR
Description : A specialized form of concordant igneous intrusion that is characterized by a dome in the country rock and a nearly planar floor is called a: w) lopolith x) laccolith y) batholith z) stock
Last Answer : ANSWER: X -- LACCOLITH
Description : An igneous rock which is commonly black, has a glassy texture, and has a conchoidal (pron: kong-koid-al) fracture is whic of the following? w) pelite (pron: pel-ite) x) calcite y) obsidian z) none of the above
Last Answer : ANSWER: Y -- OBSIDIAN
Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous
Last Answer : ANSWER: W -- MAGMA
Description : The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble
Last Answer : ANSWER: X -- DAKOTA SANDSTONE
Description : Which of the following is the name of the partly melted rock layer on which the plates move? w) lithosphere x) asthenosphere y) hydrosphere z) outer core
Last Answer : ANSWER: X -- ASTHENOSPHERE
Description : This sedimentary rock was used to build the Pantheon and the Colossium: w) marble x) travertine y) sandstone z) ironstone
Last Answer : ANSWER: X -- TRAVERTINE
Description : The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite
Last Answer : ANSWER: X -- ROCK FLOUR
Description : An example of a rock whose minerals have been crushed into thin sheets or bands is: w) shale x) schist y) conglomerate z) granite
Last Answer : ANSWER: X -- SCHIST
Description : Which of the following pairs contains one igneous and one sedimentary rock? w) shale and marble x) sandstone and quartzite y) granite and limestone z) obsidian and gneiss
Last Answer : ANSWER: Y -- GRANITE AND LIMESTONE
Description : Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite
Last Answer : ANSWER: Z -- QUARTZITE
Description : Which of the following is considered as superior quality of coal ? (A) Bituminous coal (B) Peat (C) Lignite (D) Coke.
Last Answer : Ans: A
Description : Which of the following is considered as superior quality of coal? (A) Bituminous coal (B) Peat (C) Lignite (D) Coke.
Last Answer : Bituminous coal
Description : Which is a metamorphic rock, slate or shale?
Last Answer : ANSWER: SLATE