ATT Task 1 Week 1 Elaborated Exam

ATT Task 1 Week 1 Elaborated Exam Which material would not be used for a PCB? A. Cardboard , B. Fiberglass, C. Epoxy , D. Bakelite - CORRECT ANSWER-A. Cardboard On what type of circuit board would you most likely find an unsupported hole? - CORRECT ANSWER-A single sided PCB What material is most commonly used to form the traces on a PCB? - CORRECT ANSWER-Copper What is the copper conductor around a PCB drill hole usually called ? - CORRECT ANSWER-A pad Why should maximum solder connection time be limited? - CORRECT ANSWERBecause the pad may be lifted due to heat, and the component may be damaged due to heat Which of the following is a characteristic of a good solder connection? A. Dull gray color, B. Holes in the solder, C. Concave shape, D. Crystalline appearance - CORRECT ANSWER-C. Concave shape What degree bend do you typically put in a resistors leads when mounting it to a PCB? - CORRECT ANSWER-90 degrees Why should care be taken when removing a component that is to be discarded? - CORRECT ANSWER-So the circuit board is not damaged. What determines the method of component replacement on a PCB? - CORRECT ANSWER-The original installation method How is a sweated component supposed to be released? - CORRECT ANSWER-With heat What factor do you suppose the pattern or template for a PCB is not based upon? A. Circuit design, B. Physical board size, C. Trace resistance value, D. Color of the components. - CORRECT ANSWER-D. Color of the components What device is used to connect pads on either side of a PCB? - CORRECT ANSWERAn eyelet What is the minimum distance a lead bend should be kept away from a components body? - CORRECT ANSWER-1/8" (3mm) Why should a component lead not be bent right at the lead/body junction? - CORRECT ANSWER-This bend mechanically stresses the component What is the simplest method of open trace repair? - CORRECT ANSWER-Surface wire jumper What is the preferred method of repairing a lifted trace? - CORRECT ANSWER-Over bonding What is the process of removing copper from a blank PCB called? - CORRECT ANSWER-Etching One advantage of tinning a soldering iron t