Advanced Manufacturing Processes (3161922) MCQs

MCQs of Unconventional Machining Processes

Showing 11 to 20 out of 42 Questions
1 2 3 4 5
11.
Dielectric medium in EDM is used for
(a) Flushing away the debris
(b) To make the medium conducting
(c) To decrease the material removal rate
(d) None of the mentioned
Answer:

Option (a)

12.
In ECM, heavy electrical sparks are created.
(a) True
(b) False
Answer:

Option (b)

13.
In ECM, tool does not touch the work piece.
(a) True
(b) False
Answer:

Option (a)

14.
Which of the following is correct about ECM?
(a) Erosion of metal takes place as a reverse process of electroplating
(b) Thermal stresses are induced
(c) Mechanical stresses are induced
(d) None of the mentioned
Answer:

Option (a)

15.
Which of the following material cannot be machined using electro chemical machining?
(a) Iron
(b) Aluminum
(c) Copper
(d) Wood
Answer:

Option (d)

16.
In which of the following methods, an electrolyte is used?
(a) Ultrasonic Machining
(b) Electro chemical Machining
(c) Abrasive Jet Machining
(d) Laser Beam Machining
Answer:

Option (b)

17.
Electrolytes used in ECM must posses
(a) Low electrical conductivity
(b) Low chemical stability
(c) High electrical conductivity
(d) None of the mentioned
Answer:

Option (c)

18.
Which of the following is not a function of electrolyte in ECM?
(a) It completes the circuit
(b) It helps in electrochemical reaction
(c) It carries away heat and waste product
(d) It provide non reactive environment
Answer:

Option (d)

19.
LASER stands for
(a) Light amplification by stimulated emission of radiation
(b) Light amplification by stimulated erosion of reaction
(c) Light amplification by stimulated erosion of radiation
(d) Light amplification by stimulated emission of reaction
Answer:

Option (a)

20.
Ruby laser is most efficient when
(a) Kept hot
(b) Kept cold
(c) Kept at normal temperature
(d) None of the mentioned
Answer:

Option (b)

Showing 11 to 20 out of 42 Questions
1 2 3 4 5