surface mount technology mcq online test

 surface mount technology mcq online test 

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1.

What is the power rating of soldering iron used in electrical and electronics work?

A : 15 to 35 watts

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B : 40 to 65 watts

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C : 75 to 100 watts

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D : 85 to 135 watts

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2.

What is the full form of the abbreviation PGA used in SMD IC package?

A : Package Grid Array

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B : Pin Grid Array

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C : Perfect Grid Array

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D : Popular Grid Array

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3.

4) : What is the range of temperature setting on soldering work station for soldering SMD ICs?

A : 100°C to 200°C

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B : 200°C to 250°C

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C : 250°C to 280°C

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D : 280°C to 400°C

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4.

How does the desoldering braid removes the molten solder from the joint on the PCB?

A : By capillary action

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B : By heating the joint

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C : By hardening the solder

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D : By increasing the temperature

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5.

Which technology is used to place the components directly on the printed circuit boards?

A : Solder Mount Technology

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B : Surface Mount Technology

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C : Safety Metaphor Technology

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D : Silicon multiplayer Technology

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6.

What is the full form of the abbreviation SOIC?

A : Surface Optimised Internal Circuits

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B : Small Outline Integrated Circuits

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C : Service Outline Internal Circuits

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D : Solder Oriented Integrated Circuits

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7.

Which type of leads constructed in SOIC package?

A : Padsin leads

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B : Gull wing leads

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C : Flat leads

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D : Pitch ball leads

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8.

Which is alternative to ceramic SMD IC packages?

A : Glass packages

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B : Plastic packages

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C : Metal packages

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D : Fiber packages

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9.

What is the full form of the abbreviation SMT?

A : Specific Multipin Technology

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B : Small Metalised Technology

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C : Surface Mount Technology

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D : Solder Mount Technology

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10.

11) : What is called ‘tinning’ in soldering?

A : Clean the tip of the iron

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B : Change the tip of the iron

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C : Melt a little solder on the tip of the iron

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D : Remove the tip of the iron

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11.

What is the percentage of defect caused to devices due to ESD?

A : 10 to 20

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B : 25 to 30

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C : 35 to 50

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D : 60 to 90

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12.

Which material is used to make conductive shoe covers to protect from static charges?

A : Fibre

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B : Copper

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C : Plastic

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D : Polypropylene

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13.

What is the cause of ‘Voiding’ in SMT?

A : Damaged wiring

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B : Damaged component

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C : Damaged joint strength

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D : Restricted voltage level

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14.

Which material is used to make the drill bits for drilling PCB holes?

A : Stainless steel

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B : High speed steel

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C : High carbon steel

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D : Solid coated Tungsten carbide

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15.

What is the name of technology used to mount components on multilayer PCBs?

A : Microblasting

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B : Peeling technique

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C : Joining technique

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D : Plated through hole

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