Related Questions

The impurity level in an extrinsic semiconductor is about of pure semiconductor.
A 10 atoms for 108 atoms
B 1 atom for 108 atoms
C 1 atom for 104 atoms
D 1 atom for 100 atoms
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________
A Remains the same
B Increases
C Decreases
D None of the above
নিম্নের কোনটি p-টাইপ অর্ধপরিবাহীতে n-টাইপ অর্ধপরিবাহীর তুলনায় বেশি আছে? (Which of the following does a p-type semiconductor have more compared to an n-type semiconductor-)  
A মোট ধনাত্মক আধান (total positive charge)
B মোট আধান (total charge)
C ইলেকট্রন ঘনত্ব (density of electrons)
D হোল ঘনত্ব (density of holes)
Synonym of the word: Fabrication
A disconnect
B dismantle
C assemble
D repair
Silicon is not suitable for fabrication of light emitting diodes because it is
A An indirect band gap semiconductor
B Direct band gap semiconductor
C Wideband gap semiconductor
D Narrowband gap semiconductor
This type of structural steel drawing shows all dimensions necessary for fabrication:
A Shop drawings
B Design drawings
C Weldment drawings
D Application drawings
The capacity of a material to be welded under the imposed fabrication conditions into a specific, suitably designed structure and to perform satisfactorily in the intended service is known as?
A Weldment
B Weld tab
C Weldability
D Tack weld
This type of weld is the most common in structural steel fabrication:
A Fillet weld
B Beam weld
C Rivet weld
D Structural weld
Welded joint is superior to revetted joint in respect of ease of fabrication, weight and strength. Which of the following joints is the most suitable for pipes carrying fluids under high pressure and temperature?
A Flanged joint
B Expansion joint
C Bell and spigot joint
D None of these
Ceramic materials fabrication can not be done by
A Welding
B Slip casting
C Extrusion
D Plastic pressing

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