26-04-2015, 01:59 PM
I want to know the viva questions and answers that is related to six leg kinematic walker pls help me
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kinematic walker viva question
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I want to know the viva questions and answers that is related to six leg kinematic walker pls help me
20-03-2017, 02:50 PM
1. Define the machine.
Answer:
A machine is a device that receives power in some available form and uses it for some particular type of work.
2. Define the theory of machines.
Answer:
Theory of Machines deals with the study of relative motion between the various parts of a machine and the forces acting on them.
3. Define the kinematics of the machines.
Answer:
It deals with the relative movement between the parts that neglect the forces that are responsible for producing these movements.
4. Define the dynamics of machines.
Answer:
It is the study of the forces acting on the parts of a machine.
5. Define the static.
Answer:
It deals with the study of the forces acting on the various parts of the machines, as long as the parts are in a rest position.
6. Define kinetics.
Answer:
It deals with inertial forces due to considerations of mass mass and motion.
7. Define the Hard Body.
Answer:
It can be defined as a body that can retain its shape and size when subjected to some external forces. In practice, no body is perfectly rigid, but for simplicity we can take solid bodies as rigid bodies.
8. Define resistant bodies.
Answer:
A resistant body is one that does not experience appreciable distortion or change of physical form by forces acting upon it. Some flexible bodies like belts, ropes and chains, etc. Can be treated as resistant bodies.
9. Define kinematic linkage.
Answer:
Each part of the machine that moves relative to another is called a kinematic link or element. A link or an element may consist of a number of parts connected in such a way that they form a unit and have no relative movement with each other. For example, the piston, piston rod and transverse head of the steam engine constitute a unit and will be taken as a link or element.
10. Name of the different types of links.
Answer:
1. Hard link
2. Flexible link
3. Fluid connection
11. Define Rigid Link
Answer:
A rigid link is one that does not undergo any deformation while transmitting the movement. In practice, no links are perfectly rigid, but since the deformation is insignificant, they can be considered rigid.
12. Define flexible link.
Answer:
A flexible link is one which, while transmitting movement, is partially deformed in such a way that the transmission of motion is not affected. This link transmits movement only in one direction (push or push). Examples are belts, ropes, springs, chains, etc.
13. Define the fluid link.
Answer:
It is formed by having fluid in a receptacle and the movement is transmitted through the fluid pressure or compression. Examples are hydraulic jacks, hydraulic presses, etc.
14. Define structure.
Answer:
It is a set of a series of resistant bodies that do not have relative movement between them and destined to occupy loads that have tension action. Examples are the enclosures of roofs, bridges, buildings, etc.
15. Define the frame.
Answer:
It is a structure that supports the moving parts of a machine.
16. Define kinematic pair.
Answer:
A pair is formed when there is a contact between the two links of a machine and there is a relative movement between the two links. The relative movement between the two links must be either fully or successfully limited to make a required pair.
17. Define the completely restricted movement.
Answer:
When the motion between a pair is in a direction defined independently of the direction of the applied force, said movement is known as a completely restricted movement. For example, the movement of the piston in a cylinder of an internal combustion engine takes place in a defined direction and is therefore a completely limited movement.
18. Define incomplete movement.
Answer:
When the motion between a pair takes place is more than one direction, that movement is known as restricted incomplete motion. Example: a circular bar that moves in a circular hole.
19. Define partially limited movement.
Answer:
When the restricted movement between a pair is not completed by itself, but by some other means, that movement is known as partially movement with limited success. Example, the shaft in the bearing of the passage.
20. Define the lower pair.
Answer:
The kinematic pair that has surface contact between its links while transmitting the movement is known as the lower pair. For example, a shaft that rotates in a bearing, a piston that alternates in the cylinder of an IC motor.
Answer:
A machine is a device that receives power in some available form and uses it for some particular type of work.
2. Define the theory of machines.
Answer:
Theory of Machines deals with the study of relative motion between the various parts of a machine and the forces acting on them.
3. Define the kinematics of the machines.
Answer:
It deals with the relative movement between the parts that neglect the forces that are responsible for producing these movements.
4. Define the dynamics of machines.
Answer:
It is the study of the forces acting on the parts of a machine.
5. Define the static.
Answer:
It deals with the study of the forces acting on the various parts of the machines, as long as the parts are in a rest position.
6. Define kinetics.
Answer:
It deals with inertial forces due to considerations of mass mass and motion.
7. Define the Hard Body.
Answer:
It can be defined as a body that can retain its shape and size when subjected to some external forces. In practice, no body is perfectly rigid, but for simplicity we can take solid bodies as rigid bodies.
8. Define resistant bodies.
Answer:
A resistant body is one that does not experience appreciable distortion or change of physical form by forces acting upon it. Some flexible bodies like belts, ropes and chains, etc. Can be treated as resistant bodies.
9. Define kinematic linkage.
Answer:
Each part of the machine that moves relative to another is called a kinematic link or element. A link or an element may consist of a number of parts connected in such a way that they form a unit and have no relative movement with each other. For example, the piston, piston rod and transverse head of the steam engine constitute a unit and will be taken as a link or element.
10. Name of the different types of links.
Answer:
1. Hard link
2. Flexible link
3. Fluid connection
11. Define Rigid Link
Answer:
A rigid link is one that does not undergo any deformation while transmitting the movement. In practice, no links are perfectly rigid, but since the deformation is insignificant, they can be considered rigid.
12. Define flexible link.
Answer:
A flexible link is one which, while transmitting movement, is partially deformed in such a way that the transmission of motion is not affected. This link transmits movement only in one direction (push or push). Examples are belts, ropes, springs, chains, etc.
13. Define the fluid link.
Answer:
It is formed by having fluid in a receptacle and the movement is transmitted through the fluid pressure or compression. Examples are hydraulic jacks, hydraulic presses, etc.
14. Define structure.
Answer:
It is a set of a series of resistant bodies that do not have relative movement between them and destined to occupy loads that have tension action. Examples are the enclosures of roofs, bridges, buildings, etc.
15. Define the frame.
Answer:
It is a structure that supports the moving parts of a machine.
16. Define kinematic pair.
Answer:
A pair is formed when there is a contact between the two links of a machine and there is a relative movement between the two links. The relative movement between the two links must be either fully or successfully limited to make a required pair.
17. Define the completely restricted movement.
Answer:
When the motion between a pair is in a direction defined independently of the direction of the applied force, said movement is known as a completely restricted movement. For example, the movement of the piston in a cylinder of an internal combustion engine takes place in a defined direction and is therefore a completely limited movement.
18. Define incomplete movement.
Answer:
When the motion between a pair takes place is more than one direction, that movement is known as restricted incomplete motion. Example: a circular bar that moves in a circular hole.
19. Define partially limited movement.
Answer:
When the restricted movement between a pair is not completed by itself, but by some other means, that movement is known as partially movement with limited success. Example, the shaft in the bearing of the passage.
20. Define the lower pair.
Answer:
The kinematic pair that has surface contact between its links while transmitting the movement is known as the lower pair. For example, a shaft that rotates in a bearing, a piston that alternates in the cylinder of an IC motor.
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