PCB 12102023

PCB are classified into ……… types

• 7

• 6

• 8

• 5

Conductor width is a constraint of ……type

• Rigid –flex PCB

• Flexible PCB

• High frequency PCB

• Low frequency PCB

The material used for flexible PCB is

• FR4

• Teflon

• Kapton

• ABS

The 60:40 Ratio in soldering melts at temperature of

• 361F

• 316F

• 315F

• 351F

Infrared soldering is a type of

• Wave

• reflow

• single wave

• vapour phase

Flux is classified into

• 3

• 5

• 4

• 6

among the following which is an active component

• Transistor

• Inductor

• thyristor

• Amplifier

Diodes are classified into

• 9

• 10

• 12

• 8

ICs are classified into

• 3

• 5

• 4

• 2

ESD means

• Electrostatic discharge

• Electrostatic distortion

• Electrostatic derivative

• Electrostatic disturbance