39 Manufacturing Processes questions from the Mechanical Core bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
Free to start: the 2-minute ME readiness check — six questions and a result.
A.reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last
B.the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
C.the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
D.VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
Answer + AI explanation with Pro
2. Which term means: "reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last"?
Junior
A.Limiting drawing ratio
B.Electrical discharge machining
C.Riser
D.Hot working
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Riser — plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
B.Riser — reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last
C.Riser — removal of material by repeated sparks across a dielectric gap between tool and workpiece, requiring only that the work be electrically conductive
D.Riser — extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)
Answer + AI explanation with Pro
4. What is Pattern allowances?
Junior
A.extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)
B.work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
C.force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
D.elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
Answer + AI explanation with Pro
5. Which term means: "extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)"?
Junior
A.Heat affected zone
B.Pattern allowances
C.Electrical discharge machining
D.Hot working
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Pattern allowances — the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
B.Pattern allowances — extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)
C.Pattern allowances — elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
D.Pattern allowances — plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
Answer + AI explanation with Pro
7. What is Chvorinov's rule?
Mid
A.the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
B.elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
C.solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers
D.anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
Answer + AI explanation with Pro
8. Which term means: "solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers"?
Mid
A.Chvorinov's rule
B.Riser
C.Limiting drawing ratio
D.Electrical discharge machining
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Chvorinov's rule — the largest ratio of blank diameter to punch diameter that can be deep drawn in one pass without tearing the cup wall
B.Chvorinov's rule — reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last
C.Chvorinov's rule — solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers
D.Chvorinov's rule — the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
Answer + AI explanation with Pro
10. What is Hot working?
Junior
A.work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
B.the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
C.the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
D.plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
Answer + AI explanation with Pro
11. Which term means: "plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force"?
Junior
A.Electrical discharge machining
B.Pattern allowances
C.Built-up edge
D.Hot working
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.Hot working — plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
B.Hot working — anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
C.Hot working — force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
D.Hot working — VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
Answer + AI explanation with Pro
13. What is Springback?
Mid
A.force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
B.elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
C.solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers
D.the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
Answer + AI explanation with Pro
14. Which term means: "elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming"?
Mid
A.Springback
B.Hot working
C.Taylor's tool life equation
D.Chvorinov's rule
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Springback — the largest ratio of blank diameter to punch diameter that can be deep drawn in one pass without tearing the cup wall
B.Springback — reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last
C.Springback — elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
D.Springback — the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
Answer + AI explanation with Pro
16. What is Merchant's circle?
Mid
A.extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)
B.work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
C.the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
D.force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
Answer + AI explanation with Pro
17. Which term means: "force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle"?
Mid
A.Limiting drawing ratio
B.Electrical discharge machining
C.Built-up edge
D.Merchant's circle
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Merchant's circle — the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
B.Merchant's circle — the parent metal adjacent to a weld that was not melted but whose microstructure and properties were altered by the thermal cycle
C.Merchant's circle — elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
D.Merchant's circle — force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
Answer + AI explanation with Pro
19. What is Built-up edge?
Mid
A.work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
B.the largest ratio of blank diameter to punch diameter that can be deep drawn in one pass without tearing the cup wall
C.plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
D.elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
Answer + AI explanation with Pro
20. Which term means: "work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away"?
Mid
A.Chvorinov's rule
B.Merchant's circle
C.Built-up edge
D.Springback
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Built-up edge — plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
B.Built-up edge — reservoir of molten metal that feeds a casting during solidification shrinkage and is designed to freeze last
C.Built-up edge — force diagram for orthogonal cutting relating cutting, thrust, shear and friction forces to the shear angle and rake angle
D.Built-up edge — work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
Answer + AI explanation with Pro
22. What is Taylor's tool life equation?
Senior
A.work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
B.VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
C.plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
D.the largest ratio of blank diameter to punch diameter that can be deep drawn in one pass without tearing the cup wall
Answer + AI explanation with Pro
23. Which term means: "VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools"?
Senior
A.Taylor's tool life equation
B.Riser
C.Heat affected zone
D.Merchant's circle
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.Taylor's tool life equation — removal of material by repeated sparks across a dielectric gap between tool and workpiece, requiring only that the work be electrically conductive
B.Taylor's tool life equation — work material welded onto the tool tip at low cutting speed on ductile metals, spoiling surface finish as it periodically breaks away
C.Taylor's tool life equation — VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
D.Taylor's tool life equation — plastic deformation above the recrystallisation temperature, giving no strain hardening, refined grains and lower forming force
Answer + AI explanation with Pro
25. What is Electrochemical machining?
Senior
A.anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
B.VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
C.elastic recovery after sheet bending that opens the bend angle, compensated by overbending or bottoming
D.removal of material by repeated sparks across a dielectric gap between tool and workpiece, requiring only that the work be electrically conductive
Answer + AI explanation with Pro
26. Which term means: "anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades"?
Senior
A.Chvorinov's rule
B.Built-up edge
C.Chip thickness ratio
D.Electrochemical machining
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.Electrochemical machining — solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers
B.Electrochemical machining — anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
C.Electrochemical machining — extra dimensions added to a pattern for shrinkage, machining, draft, distortion and rapping (shake)
D.Electrochemical machining — VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
Answer + AI explanation with Pro
28. What is Chip thickness ratio?
Mid
A.solidification time is proportional to the square of the volume-to-surface-area ratio, the basis for sizing risers
B.removal of material by repeated sparks across a dielectric gap between tool and workpiece, requiring only that the work be electrically conductive
C.anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
D.the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
Answer + AI explanation with Pro
29. Which term means: "the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained"?
Mid
A.Riser
B.Built-up edge
C.Pattern allowances
D.Chip thickness ratio
Answer + AI explanation with Pro
30. Which statement is correct?
Mid
A.Chip thickness ratio — removal of material by repeated sparks across a dielectric gap between tool and workpiece, requiring only that the work be electrically conductive
B.Chip thickness ratio — VTⁿ = C, where the exponent n is about 0.1 for HSS, 0.2–0.3 for carbide and 0.5–0.7 for ceramic tools
C.Chip thickness ratio — anodic dissolution that removes metal with no tool wear, no burrs and no residual stress, used for hard alloys and turbine blades
D.Chip thickness ratio — the ratio of undeformed to deformed chip thickness, always less than one, from which the shear plane angle is obtained
Answer + AI explanation with Pro
Showing 30 of 39 Manufacturing Processes questions — the full set, with answers, explanations and an AI tutor on every question, is inside.
Free to start
Start with a free readiness check
Sign up free for the 2-minute ME readiness check and a scored result. Answers, explanations and the AI tutor on every Manufacturing Processes question come with Pro.