1.

A_FLAT_PLATE_1_M_BY_1_M_IS_PLACED_IN_A_WIND_TUNNEL._THE_VELOCITY_AND_TEMPERATURE_OF_FREE_STREAM_AIR_ARE_80_M/S_AND_10_DEGREE_CELSIUS._THE_FLOW_OVER_THE_WHOLE_LENGTH_OF_THE_PLATE_IS_MADE_TURBULENT_BY_TURBULIZING_GRID_PLACED_UPSTREAM_OF_THE_PLATE._FIND_THE_THICKNESS_OF_THE_HYDRODYNAMIC_BOUNDARY_LAYER_AT_TRAILING_EDGE_OF_THE_PLATE?$

A. 19.55 mm
B. 18.55 mm
C. 17.55 mm
D. 16.55 mm
Answer» E.


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