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Mechanical Engineering - Practice Test - 3

Q1:

The orientation of end-effector of a robot with respect to its base coordinate system can be represented in
 

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Q2:

While performing successive translations and rotation,we can  change the sequence of Homogeneous trasformations.
 

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Q3:

____________ can be considered as Differential motions of a frame.
 

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Q4:

An N-joint manipulator will have………….number of trajectories.
 

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Q5:

Kinematics diagram of a manipulator represents the
 

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Q6:

Inverse Kinematics problem of a serial manipulator with 6 dof has
 

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Q7:

Robot kinematics is study of ………………………… without consideration of forces  associated  with  it
 

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Q8:

Which one of the following quantities is not taken into account for kinematics of rigid body ?
 

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Q9:

A sensor's ……………. indicates how much the sensor's output changes when the input quantity being measured changes
 

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Q10:

……………. sensors are fixed internally and used to detect the required task. They observe the environment internally and detect any change in variables of the manipulator.
 

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Q11:

Physics based vision is the part of each machine vision system, which is used to capture the …………. before digitizing it.
 

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Q12:

Internal sensors can be.
 

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Q13:

A robotic vision system consists of ………………. acting as sensors.
 

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Q14:

Robots have been successfully applied to accomplish the loading and/or unloading function in the following production operations
 

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Q15:

…………...can be used to accomplish inspection or testing operations for mechanical dimensions and other physical characteristics, product function and performance.
 

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Q16:

Which of the following sensors determines the relationship of the robot and its environment and the objects handled by it?
 

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Q17:

Example of Processing Applications used in robotics
 

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Q18:

A proximity sensor is a sensor able to detect the presence of nearby objects without any ………….. contact.
 

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Q19:

The number of independent movements that an object can perform in a 3-D space is called the number of degrees of freedom (DOF). Thus, a rigid body free in space has…….. degrees of freedom
 

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Q20:

SCARA stands for …………
 

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Q21:

A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws  is one of the"Three Laws of Robotics" written by
 

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Q22:

The kinematic chain formed by joining ………….links is extended by connecting more links. To form a manipulator, one end of the chain is connected to the base or ground with a joint. Such a manipulator is an open kinematic chain. 
 

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Q23:

At present about 80% robots in use in the industry are kind of ………………….Robot
 

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Q24:

Rotation of a 3-D object can be represented in 3-D space in matrix form having the dimensions of
 

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Q25:

The most common method for describing robot orientations are Euler Angles. Euler Angles consists of ………………... numbers which each describe a rotation around one axis. 
 

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