If_the_total_efficiency_is_0.35_in_arc_welding._Then_what_is_the_weldi – McqOptions

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1.	If_the_total_efficiency_is_0.35_in_arc_welding._Then_what_is_the_welding_speed_in_mm/sec_if_the_cross_sectional_area_is_5mm2,_welding_power_is_2_kW_and_the_heat_required_in_melting_the_metal_is_100_J/mm3.
A.	1.4
B.	14
C.	1400
D.	140
Answer» B. 14

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