UNIT 3 : PCB's

 

UNIT 3

 PCB's


SHORT ANSWER QUESTIONS 

1)  What is meant by PCB ?

2) Classify PCB's and list types of laminates used in PCB's ?

3) Explain the need of PCB in electronic equipment ?

4) List the steps involved in making PCB's ?

5) What is meant by soldering ? List the soldering methods of PCB's ?

6)  List the steps involved in screen-printing for making PCB's ?

7) Define  Surface mount Technology (SMT) ?


ESSAY TYPE QUESTIONS 


1) a) What is meant by PCB ?

    b) Need for PCB ?

    c) Advantages of PCB ?

    d) Classification of PCB ?

2) a) Steps involved in preparation of PCB ?

    b) Types of lamination's used in PCB ?

    c) Short notes on ETCHING & PRINTING ?

3) a) Explain screen printing method ?

    b) Short notes on DRILLING & MOUNTING ?

4) a) Define SMT ?

    b) Define Soldering ?

    c) Materials used in soldering ?

    d) Types of Soldering ?

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