the truck shown weighs 16 tonnes when empty. the truck has a capacity of 36m3 volume for the crude oil. calculate the total weight of a crude oil and this of a truck

The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.