Practice Basic Advanced Machining Multiple Choice Questions with Answers Quiz-1

Q.1.

Which of the following are the other applications of LBM?

a) Dressing of grinding wheels
b) Scribing
c) Micromachining
d) All of the mentioned

Explanation

Q.2.

How the grooves in grinding wheels are produced using laser?

a) Evaporation
b) Damage of composite
c) Evaporation & Damage of composite
d) None of the mentioned

Explanation

Q.3.

Work piece tilting depends on which of the following factors?

a) Incident power
b) Beam speed
c) Groove direction
d) All of the mentioned

Explanation

Q.4.

What are the values of thickness used is fine cutting process?

a) 0.01 to 0.05 mm
b) 0.05 to 0.1 mm
c) 0.5 to 15 mm
d) 15 to 50 mm

Explanation

Q.5.

The advantages of excimer laser are due to __________ laser wavelength and _________ pulse duration.

a) Short, short
b) Short, long
c) Long, short
d) Long, long

Explanation

Q.6.

Lasers of which type are used for modification of electronic components?

a) High power
b) Small spot size
c) Short pulse length
d) All of the mentioned

Explanation

Q.7.

Material removal rates which are about mg/pulse produces which type of holes?

a) Shallow
b) Deep
c) Very deep
d) All of the mentioned

Explanation

Q.8.

Which of the following materials can be easily separated by laser scribing?

a) Silicon
b) Glass
c) Ceramic
d) All of the mentioned

Explanation

Q.9.

Which type of holes can be drilled using Nd-YAG laser?

a) Small holes
b) Large holes
c) Small & Large holes
d) None of the mentioned

Explanation

Q.10.

Which type of laser can be used for direct drilling or percussion?

a) Ruby laser
b) Nd-YAG laser
c) Ruby & Nd-YAG laser
d) None of the mentioned

Explanation

Q.11.

Which of the following lasers is used for cutting thick materials in LBM?

a) CO2 + gas assisted
b) CO2 only
c) Nd-YAG
d) Ruby

Explanation

Q.12.

Which of the following lasers is used for slitting of thin metallic materials in LBM?

a) CO2 + gas assisted
b) CO2 only
c) Nd-YAG
d) Ruby

Explanation

Q.13.

Which of the following lasers is used for slitting of thin plastic materials in LBM?

a) CO2 + gas assisted
b) CO2 only
c) Nd-YAG
d) Ruby

Explanation

Q.14.

Which of the following lasers is used for organics and non-metallic materials in LBM?

a) CO2 + gas assisted
b) Pulsed CO2
c) Nd-YAG
d) Ruby

Explanation

Q.15.

Which of the following lasers is used for ceramic materials in LBM?

a) Pulsed CO2
b) Nd-YAG
c) Pulsed CO2 & Nd-YAG
d) None of the mentioned

Explanation

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