Answer Happy

How should the travel speed of a PCB in Wave Soldering be set in order to achieve good results? Select one: O a. The board should travel as fast as possible in order to increase the productivity O b. The board should travel as slowly as possible to allow extra solder to be added Oc. The board should travel at a speed that leads to a proper solder solidification-rate to be achieved Od The board should travel as slowly as possible to allow the flux solvents to be evaporated O 9
What type of rake angle results in the formation of a discontinuous chip? a Select one: O a Small positive or negative rake angle on the cutting tool result in the formation of a discontinuous chip. O b. Large positive or negative rake angle on the cutting tool result in the formation of a discontinuous chip. O c. Large positive rake angle on the cutting tool result in the formation of a discontinuous chip. O d. Small negative rake angle on the cutting tool result in the formation of a discontinuous chip.
What is the function of cutting fluid with regard to chips formed when machining? Select one: O a One of the functions of cutting fluids is chip breaker. O b. One of the functions of cutting fluids is increase machine tool maintenance due to chip formation Oc One of the functions of cutting fluids is chip filtration O d. One of the functions of cutting fluids is washing away chips.