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PCB Design Question & Answers

September 19, 2022 By WatElectronics

This article lists 100 PCB Design MCQs for engineering students. All the PCB Design  Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of PCB Design.

A printed Circuit Board (PCB) is the essential block of electronic devices because the modern world is drenched in electronics. It may be a smartphone or a smart TV or any device that is capable of monitoring and streaming each of them has a PCB board in it. For any device, PCB is the heart of it.

As the years are passing, the demand for PCB is increasing. An increase in demand has paved the way for the manufacturing of various PCBs. It can bring life to the electronic circuit physically. The process of designing a PCB is the combination of placing components along with proper routing to ensure electrical connection.

A firm structure containing an electrical circuit made of metal surface known as traces and metals having large areas known as planes are embedded in it. On board, the components placed are soldered onto the pads made of metals. These pads are connected to the circuit board. In this way, components get interconnected.

Board design can either consist of single, double, or maybe multiple layers. Dielectric core forms of material that have poor properties of electrical conduction are used to build the boards. This ensures pure circuit transmission and interspacing are provided with additional layers of dielectric and metals as per necessity.

1). Metal surfaces of smaller areas embedded in PCB’s are ________?

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2). What is a firm structure with targets and planes embedded in it known as?

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3). Metals of large areas embedded in PCB are known as ______?

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4). Where the components placed on the board are soldered?

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5). What allows the components on board to form interconnections?

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6). How many layers does a PCB have?

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7). Dielectric core used in PCB design have _________ electrical conduction?

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8). What ensures pure transmission in PCB design?

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9). Dielectric material utilized in the PCBs is _________?

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10). Flame-resistant in PCB design consists of _______?

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11). Traces and planes utilized in PCB designing comprises of _________?

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12). What are the various classes of PCB?

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13). What does a class of PCB determine?

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14). Which board is designated for consumer electronics?

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15). Where does a class 2 PCB is used?

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16). What class PCBs are used in minimizing failures?

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17). Which class PCB has the most exact standard of manufacturing?

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18). What are the general categories of PCBs?

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19). What category of PCBs are available in vast majorities?

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20). How does the rigid PCB substrate is created?

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21). FR-4 is commonly used in _________?

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22). Greater deflection is offered by ________ boards?

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23). Flexible boards have _____ thickness compared to standard boards?

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24). Which boards have the increase in the ability of heat dissipation?

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25). Metal-core PCBs are used in ________?

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PCB Design MCQs for Quiz

26). How a PCB board can be designed initially?

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27). What are the categories involved in designing a PCB?

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28). What describes the circuit connections in the diagram of PCB design?

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29). What is the final category in building a PCB?

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30). What is included in library CAD parts in PCB design?

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31). Three-dimensional PCB display step models are present in __________?

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32). What is the further step in PCB design after the libraries get ready?

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33). What is used in placing symbols on a sheet of the schematic in PCB design?

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34). What verifies whether the circuit connections work properly?

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35). What connects pins of components in PCB?

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36). What happens in the Layout of PCB?

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37). What governs the space and widths require in completing a design?

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38). _____________ is the other phase in process of designing a board where the bill of materials from schematics is verified?

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39). Validation in pre-layout of PCB design involves verification of ___________?

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40). What prevents traces from connecting one of the nets to another?

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41). What are the steps involved in PCB Layout?

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42). Logic symbols for implementation of various parts are created in ___________?

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43). During _________ parts of the process are moved in PCB design?

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44). What is the further step in PCB design after the schematic?

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45). What is the Integrated Circuit Emphasis Tool used in PCB Design?

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46). What is the common variety of PCBs available?

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47). Which type of PCB has a single layer of conduction?

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48). How many conducting layers are present in Single-sided PCB?

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49). Why do single-sided PCBs accommodate or require more space?

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50). __________ are used for Low-density Design requirements?

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PCB Design MCQs for Exams

51). What are the various applications of Single-sided PCBs?

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52). Which of the PCB s are easier to repair?

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53). What are the advantages of Single-side PCBs?

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54). Conducting layer added on bottom and top of board in __________ PCBs.

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55). What connects the metallic parts on the Double-sided board of PCBs?

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56). What are the various methods of mounting used in connecting PCBs?

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57). Which technology makes the components to be inserted on board with Pre-drilled holes?

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58). Which technology ensures the placement of components precisely on the board's surface?

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59). UPS systems contain _________ PCBs?

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60). What are the various applications involving Double-sided PCBs?

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61). What are the various advantages of double-sided PCBs?

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62). How many layers of copper does a Multilayer PCB have?

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63). Complex devices and circuits make use of _________ PCBs?

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64). GPS Trackers uses ______ boards?

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65). What are the various applications of multilayer PCBs?

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66). _________ is not the application of Multilayer PCB?

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67). Which PCBs have higher levels of flexibility in terms of design?

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68). What are the various advantages of Multilayer PCBs?

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69). What are the various layers composed in Rigid PCBs?

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70). MRI systems uses __________ PCBs?

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71). What PCBs can absorb vibrations?

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72). What are the various advantages of Rigid PCBs?

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73). Flexible PCBs are made of _______________?

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74). __________ are used in the fabrication of OLEDs.

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75). Connectors are eliminated from _________ PCBs?

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PCB Design MCQs for Students

76). __________ PCBs increase the repeatability and reliability?

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77). Flex PCBs provide uniform Electrical characteristics in ___________?

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78). Hybrid circuit combining rigid and flex boards known as _____?

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79). What is the purpose of the flexible part on Rigid-flex PCB?

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80). What PCB designs are complicated and constructed in three-dimension?

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81). Interconnections makes ________ boards light-weight?

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82). What are the various advantages of Rigid-flex PCBs?

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83). What maximizes the effectiveness of testing a PCB?

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84). Test points must be present on ______ side of the board that facilitates testing?

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85). What defines the structure of a Multilayer circuit PCB?

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86). Precisely stacked PCBs reduce _____________?

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87). What improves the integrity of signals of Multilayer circuit PCB?

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88). What impacts the multiple layers on board during PCB design?

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89). PCB material must have ________?

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90). Properly placed components on board during design give rise to ___________?

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91). What rules must be followed while routing begins?

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92). What is calculated based on various circuits' current necessities?

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93). Traces of copper layered among the nodes in _______?

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94). What are the connections provided after routing?

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95). What are the benefits of a well-fabricated PCB design?

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96). What are the details required for the fabrication of the board?

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97). What does Assembly Drawing in PCB design consist of?

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98). Information about Manufacturing labels is present in ___________?

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99). What is DFM in PCB design?

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100). Why the color of PCB is green?

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