Rapid Prototyping (2181914) MCQs

MCQs of RP Processes

Showing 61 to 70 out of 84 Questions
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61.
The thin metal foil used in Ultrasonic Additive Manufacturing (UAM) has typically thicknesses of ______.
(a) 1–1.5 μm
(b) 10–15 μm
(c) 100–150 μm
(d) 1–1.5 mm
Answer:

Option (c)

62.
The tool used in Ultrasonic Additive Manufacturing (UAM) has a frequency of motion of _______.
(a) 20 Hz
(b) 20 kHz
(c) 20 MHz
(d) 2 Hz
Answer:

Option (b)

63.
Which of the following is an additive-plus-subtractive process?
(a) 3D Printing
(b) Laminated Object Manufacturing (LOM)
(c) Laser Engineered Net Shaping (LENS)
(d) Ultrasonic Additive Manufacturing (UAM)
Answer:

Option (d)

64.
Laser Engineered Net Shaping (LENS) builds components in an additive manner from _______.
(a) photo-polymer liquid
(b) sheet of paper
(c) powdered metals
(d) metal wires
Answer:

Option (c)

65.
In the Laser Engineered Net Shaping (LENS) process, ________ is used to fuse and solidify powder.
(a) UV rays
(b) laser
(c) both A & B
(d) neither A nor B
Answer:

Option (b)

66.
In the Laser Engineered Net Shaping (LENS) process, the fabrication process takes place in a low-pressure ______ chamber.
(a) argon
(b) oxygen
(c) nitrogen
(d) helium
Answer:

Option (a)

67.
The Laser Engineered Net Shaping (LENS) process is essentially a ____________.
(a) argon-free operation
(b) nitrogen-free operation
(c) oxygen-free operation
(d) helium-free operation
Answer:

Option (c)

68.
In the Laser Engineered Net Shaping (LENS) process, the platform of the motion system moves _________.
(a) horizontally only
(b) laterally only
(c) horizontally and laterally both
(d) none of the above
Answer:

Option (c)

69.
The main advantage of the Laser Engineered Net Shaping (LENS) process is _______.
(a) less cost
(b) superior material properties
(c) less time
(d) less post-processing
Answer:

Option (b)

70.
The main disadvantage of the Laser Engineered Net Shaping (LENS) process is _______.
(a) limited materials
(b) high cost
(c) high time
(d) high post-processing
Answer:

Option (a)

Showing 61 to 70 out of 84 Questions
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