WorksheetsNM - PCB INTERNAL EXAM
Total questions: 34
Worksheet time: 22mins
What does PCB stand for?
Which of the following is NOT an application of PCBs?
Smartphones
Automobiles
Medicine
None of the above
How many basic types of PCB layers exist?
1
23
Multiple
None
Which of the following is a type of PCB?
Single-layer PCB
Double-layer PCB
Multi-layer PCB
All of the above
What is the purpose of IPC standards?
To standardize PCB designs
To regulate PCB manufacturing
To ensure quality and reliability
All of the above
What is a Via?
A hole in the PCB for mounting components
A type of PCB
A component lead
None of the above
Which type of Via connects all PCB layers?
Blind Via
Buried Via
Through-hole Via
None of the above
What determines the layer separation in PCB?
Dielectric material
Copper thickness
Voltage
None of the above
What is the first step in PCB design?
Schematic creation
PCB Layout
Fabrication
Assembling
Which of these is NOT an electronic component?
Resistor
Capacitor
Motor
None of the above
What is the most commonly used substrate for PCB?
FR-1
FR-4
Ceramic
Metal-core
Which package type is used for SMD components?
DIP
QFP
TO-220
None of the above
What is the advantage of multi-layer PCB?
Higher durability
Better performance
Compact size
All of the above
Which component stores electric charge?
Resistor
Capacitor
Inductor
None of the above
Which software is commonly used for PCB design?
Eagle
Photoshop
Autocad
MS Word
What is the main function of a resistor?
Store energy
Provide resistance
Amplify signals
Convert AC to DC
Which of the following is a passive component?
Transistor
Capacitor
Inductor
Diode
What is the primary purpose of a ground plane in PCB?
Increase resistance
Reduce noise
Improve aesthetics
None of the above
Which PCB material offers the best heat dissipation?
FR-4
Ceramic
Metal-core
None of the above
What is the function of a diode?
Block current in one direction
Store energy
Amplify signals
None of the above
Which type of capacitor is polarized?
Ceramic
Electrolytic
Film
Mica
Which manufacturing process is used for PCB etching?
Drilling
Chemical etching
Injection molding
Welding
What is the main disadvantage of auto-routing?
High accuracy
Reduced flexibility
Manual intervention needed
Better trace optimization
What is a BOM in PCB design?
Bill of Materials
Board of Management
Base of Module
Build of Manufacturing
Which process is used for PCB fabrication?
3D Printing
Chemical etching
Injection molding
Welding
What is the primary purpose of solder mask?
Protect PCB surface
Increase conductivity
Reduce voltage drop
Improve heat dissipation
Which factor affects PCB trace width?
Voltage
Copper thickness
Both A & B
None
Which type of PCB has components on both sides?
Single Layer
Double Layer
Rigid PCB
Flexible PCB
Which standard defines PCB design rules?
ISO 9001
IPC-2221
IEEE 802
RoHS
What is the unit of resistance?
Volt
Ohm
Ampere
Farad
What is the unit of Inductance?
Volt
Ohm
Henry
Farad
What is the unit of Capacitance?
Volt
Ohm
Farad
Henry
What is the purpose of a PCB thermal relief?
Top company for PCB manufacturing globally?
(a)
