Fundamentals of Robotics (Chapter 2)
Which of the following is not one of the five major components of a robot?
Choices:
Manipulator
Program
End Effector
Controller
Program
True or False?
Optical proximity sensors can respond to visible or infrared light.
True
Which of the following describes prehensile movements of an end effector?
Choices:
Actions that do not require particular finger dexterity or use of the thumb
Actions that require large amounts of force to lift heavy objects
Actions that require very small amounts of force to lift objects
Actions that require the use of the thumb and fingers to grasp objects
Actions that require the use of the thumb and fingers to grasp objects
What is the difference between ROM and RAM ?
ROM does not lose its data when the power is turned off
A microcontroller with ______ is used to control motor speed without wasting power.
pulse width modulation (PWM)
Which one of the following is not one of the six degrees of freedom of a robot?
Choices:
Radial Traverse
Vertical Traverse
Horizontal Traverse
Rotational Traverse
Horizontal Traverse
What are thermoelectric sensors?
Choices:
Devices that produce a change in temperature output due to a fluctuation electricity
Devices that produce a change in pressure output due to a fluctuation in temperature
Devices that produce a change in electrical output due to a fluctuation in temperature
Devices that produce a change in electrical output due to a fluctuation in pressure
Devices that produce a change in electrical output due to a fluctuation in temperature
Which of the following is not one of the five types of gripping movements an end effector can make?
Choices:
Pinch
Spherical
Palmar
Cylindrical
Pinch
What is the difference between firmware and software?
Firmware is stored in ROM, while software is stored in RAM or other rewritable memory
A ____ is a small computer on a single integrated circuit (IC) chip.
Microcontroller
Which of the following best defines an open-loop system?
Choices:
no feedback to control motion
uses simple micro switches for end steps
has sensors to tell the robot its orientation in space
has optical as well as mechanical switches for feedback
no feedback to control motion
Devices that produce a change in electrical output due to a fluctuation in temperature
Choices:
Reed Switch
Range Sensor
Hall Effect Sensor
Strain Gauge
Range Sensor
For which of these tasks are vacuum grippers typically used?
Choices:
Moving objects with the use of suction
Grasping objects
Picking and placing cylindrical parts
Moving metal parts with magnetic fields
Moving objects with the use of suction
The number system that is based on the digits 0-9 & A-F is the _____system.
Hexadecimal
Motors typically output a lot of speed, but have very little ______
Torque
Which of the following best describes a non-servo robot?
Choices:
A robot that uses a system with multiple sensors that control all motion and position
A robot that uses a closed-loop system
A robot that uses an open-loop system
A highly intelligent robot
A robot that uses an open-loop system
What type of device responds to mechanical energy by changing its resistance when under tension or compression?
Choices:
Strain Gauge
Reed Switch
Paddle Actuator
Hall Effect Sensor
Strain Gauge
True or False?
Pinchers and grippers are the two major classifications of end effectors?
False
What is a flip-flop?
A memory device used in digital circuits
_______ motors typically only have 180° of rotation.
RC Servo
What determines the shape of the work envelope for a robot?
Choices:
The range of motion of the robot, plus any tools attached to it
Only the range of motion of the robot arm
Only the length of the tools attached to the robot
The footprint of the robot base
The range of motion of the robot, plus any tools attached to it
A simple magnetic field sensor that either makes or breaks contact in response to changes in a magnetic field is called a(n) ______.
Choices:
Reed Switch
UV Sensor
IR Sensor
Field Effect Transistor
Reed Switch
What is a major disadvantage of using electromechanical grippers?
Choices:
They can only be used to handle parts that contain iron
They care not able to be used with parts that contain iron
They can only be used to handle wooden parts
They can only be used to handle plastic parts
They can only be used to handle parts that contain iron
The number system that is based on the digits 0-7.
Octal
Why are robots sometimes more productive than humans, even if they do not complete a task faster than humans?
Choices:
Robots do not suffer from fatigue or need food or rest.
Robots are more flexible than humans.
Robots are never more productive than humans.
Robots never make mistakes.
Robots do not suffer from fatigue or need food or rest.