MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

limit the main CT secondary current
match the standard ratio of CTs used on both sides of the transformer winding
minimize the effect of saturation of the main CTs
increase the sensitivity of the relay

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MGVCL Exam Paper (30-07-2021 Shift 2)
The wind speed increases with height because of

reduction in lift effect of the air
reduction in the gravitational force
reduction of drag effect of the earth surface
enhancement of drag effect on the earth surface

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MGVCL Exam Paper (30-07-2021 Shift 2)
નીચે માંથી ક્યાં રુઢિપ્રયોગનો અર્થ 'છેતરવું' એવો થાય

દસ મારવો
બે પાંદડે થવું
હથેળીમાં ચાંદ દેખાડવો
આડા ઉતરવું

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