RRB Group D Exam Mock Test

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group d online mock test in the magazine the third one is called as stratus (St)  which is generally grey cloud layers with a fairly uniform base which may give drizzle ice prisms or snow grains when the sun is visible through the cloud the outline is clearly seen.  Stratus does not produce halo phenomena (expect possible at very low temperaturs stratus appears in the form of ragged patches. Cumulus:  these are detached clouds which are generally dense with sharp outlines developing vertically in the form of rising  mounds domes or towers of which the buldinging railway group d online mock test upper part often resembles a cauliflower the sunlight part of these clouds is mostly brilliant white their bases are relatively dark and nearly horizontal.  Cumulonimbus (CB) :  which are heavy and dense clouds with considerable vertical towers and the least part of its upper portion is usally smooth or fibrous of straiated and nearly this cloud which is often dark always flattened this often speads out in the shape of anvil or plume.  Under the base  of they frequently are low ragged clouds either merged iwht it or not. The ciumulonimbus clouds give torrential rainfall lightning and thunder are also the common features of those clouds railway group d online test