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WorksheetsRobotics - MID TERM EXAM
Total questions: 93
Worksheet time: 47mins
Name
Class
Date
1.
In industries such as all manufacturing processes are done with minimized human interventions, are generally termed
as .
a)
Automation
b)
Robotics
c)
Artificial intelligence
d)
Mechatronics
2.
The acclaimed Czech writer Karel Capek, in his drama, introduced the “word – ” to the world in 1921.
a)
Engine
b)
Motor
c)
Machine
d)
Robot
3.
The first reprogrammable manipulator robot was developed by “George C devol” in the year 1950 called as
a)
Unimate
b)
Versatran robot
c)
Universal
d)
Asea
4.
The First generation robotic machines were designed to perform factory work, which needed by a human operator.
a)
less Supervision
b)
Constant supervision
c)
Periodic Supervision
d)
Frequent Supervision
5.
are equipped with sensors that can provide information about their surroundings.
a)
First-generation robotics
b)
Second-generation robotics
c)
Third-generation robotics
d)
Fourth-generation robotics
6.
consisted of more intelligent robotic machines that included advanced computers
a)
First-generation robotics
b)
Second-generation robotics
c)
Third-generation robotics
d)
Fourth-generation robotics
7.
In the March 1942, Science Fiction author “ ” introduced The Three Laws of Robotics in his short story "Runaround"
a)
Isaac Asimov
b)
Karel capek
c)
George C devol
d)
Joseph F. Engelberger
8.
Robots are widely used in automobile manufacturing industries to perform simple..............
a)
Random task
b)
Repetitive tasks
c)
small task
d)
Easy task
9.
The is the robot's brain and controls the robot's movements.
a)
Teach pendant
b)
Robot Controller
c)
Manipulator
d)
Servo Motors
10.
is a device used to manipulate materials without direct physical contact by the operator.
a)
Teach pendant
b)
Robot Controller
c)
Manipulator
d)
Servo Motors
11.
The use of the manipulator is to reach a predefine particular point and acts like a
a)
Human Hand
b)
Eye
c)
Leg
d)
tool
12.
Robot arm is also termed as
a)
Gripper
b)
Manipulator
c)
link
d)
Joint
13.
An is the peripheral device at the end of a robotic arm, designed to interact with the environment or task.
a)
Manipulator
b)
link
c)
Joint
d)
End Effector
14.
is the distance from the center of the robot to the fullest extension of the robotic arm
a)
Pay load
b)
Robot reach
c)
Speed
d)
DOF
15.
Robot Speed is expressed in .
a)
second
b)
degree in second
c)
degree/second
d)
degre/ minute
16.
is a adaptor which provide a precise connection between the robot wrist and the end effectoR
a)
Flange
b)
weight
c)
payload
d)
speed
17.
A robot has of freedom, it can operate in the x, y, and z planes.
a)
two degrees
b)
three degrees
c)
four degrees
d)
six degrees
18.
are usually controlled by limit switches at each side of its swing.
a)
Non-servo Robots
b)
Servo Robots
c)
Programmable Robots
d)
Non-Programmable Robots
19.
is controlled and driven by servo mechanisms made of Servo motors.
a)
Non-servo Robots
b)
Servo Robots
c)
Programmable Robots
d)
Non-Programmable Robots
20.
robts has feedback mechanism which is used to move the manipulator accurately.
a)
Non-servo Robots
b)
Servo Robots
c)
Programmable Robots
d)
Non-Programmable Robots
21.
is commonly used for resistance spot welding and arc
welding in high production applications, such as the automotive industry.
a)
Material handling robots
b)
Pick and Place robots
c)
Welding Robots
d)
Painting Robots
22.
are designed to help standardize the distance and path the automatic sprayer takes.
a)
Material handling robots
b)
Pick and Place robots
c)
Welding Robots
d)
Painting Robots
23.
A is a robot which operates semi- or fully autonomously to perform services useful to the well-being of humans and equipment, they exclude industrial automation applications.
a)
Mobile robots
b)
Industrial Robots
c)
Service Robots
d)
Modular Robots
24.
, is a robot intended for direct human robot interaction within a shared space, or where humans and robots are in close
proximity.
a)
collaborative robot
b)
Humanoid robot
c)
Military Robot
d)
Health Care Robot
25.
is the ability of the robot to repeatedly execute the same task.
a)
Repeatability
b)
Easy to program
c)
Flexiblity
d)
high production
26.
Robots can be operated 24/7, increasing production minimizing
a)
Change over
b)
Breakdown time
c)
Down time
d)
Maintenance time
27.
Robots can work in environments and on tasks that are considered
for human employees.
a)
Less-risk
b)
high-risk
c)
Moderate
d)
Secured
28.
The average reliability of a robot cell is
a)
0.75
b)
0.6
c)
0.88
d)
0.55
29.
The anatomy of robot is also known as
a)
structure of robot.
b)
Machine anatomy
c)
Shape of robot
d)
Parts of Robot
30.
The mechanical structure of a robotic manipulator is a mechanism, whose members are
a)
Joints
b)
rigid links or bars.
c)
Flexible
d)
Tool
31.
The robotic base and its connection to the first joint is termed as
a)
link 0
b)
link n-1
c)
link n+1
d)
link n*1
32.
has 3 vertices. Therefore can be connected to 3 links
a)
Binary Link
b)
Ternary Link
c)
Quaternary Link
d)
Stable Link
33.
Two links are connected together by a .
a)
Binary Link
b)
Arm
c)
joint
d)
Pin
34.
A is an example of a flexible link.
a)
hydraulic brake
b)
Chain
c)
ratchet
d)
belt drive
35.
The joints in an industrial robot are helpful to perform sliding and
movements of a component.
a)
Actuating
b)
rotating
c)
Turning
d)
Bending
36.
The O - joint is a symbol that is denoted for the in which the output and input links will be moving at the right angles.
a)
Linearb joint
b)
Orthogonal joint
c)
Twisting joing
d)
Revolving joint
37.
Twisting joint will be referred as , and makes twisting motion among the output and input link
a)
T– Joint
b)
O– Joint
c)
R– Joint
d)
V– Joint
38.
is generally known as V – Joint. Here, the output link axis is perpendicular to the rotational axis, and the input link is parallel to the rotational axes.
a)
Orthogonal joint
b)
Twisting joing
c)
Linear joint
d)
Revolving joint
39.
The number of independent movements that an object can perform in a 3-D space is called the number of .
a)
Degrees of freedom (DOF)
b)
Degrees of Angle
c)
Movement Angle
d)
Movement distance
40.
The number of degrees of freedom is to the total number of independent displacements or aspects of motion
a)
less
b)
equal
c)
more
d)
none
41.
are described by their degrees of freedom.
a)
Robot arms
b)
End effector
c)
Teach Pendant
d)
Robot controller
42.
A manipulator should possess at least independent DOF, In
which three for positioning and three for orientation, to move the end- effector to an arbitrary position and orientation in three dimensional space .
a)
three
b)
four
c)
five
d)
six
43.
A manipulator is called a if at least one of the links of the mechanism possesses a general spatial motion.
a)
Planar Mnaipulator
b)
spatial manipulator
c)
Reduntant Manipulator
d)
none
44.
A manipulator is called a if all the moving links move in planes parallel to one another
a)
Planar Mnaipulator
b)
spatial manipulator
c)
Reduntant Manipulator
d)
none
45.
The shape of the for each robot is uniquely related to its characteristics of robot configuration, links and wrist joints
a)
workspace
b)
Workcell
c)
Work Envelope
d)
Work manner
46.
A robot's is its range of movement, and is the shape created when a manipulator reaches forward, backward, up and down.
a)
workspace
b)
Workcell
c)
Work Envelope
d)
Work manner
47.
A robot can only perform within the confines of this .
a)
workspace
b)
Workcell
c)
Work Envelope
d)
Work manner
48.
A is a complete system that includes the robot, controller, and other peripherals such as a part positioner and safety
environment.
a)
workspace
b)
Robotcell
c)
Work Envelope
d)
Work manner
49.
is a workstation which consists of at least one robot and its controller along with the safety measures
a)
workspace
b)
Workcell
c)
Work Envelope
d)
Work manner
50.
configuration Uses three perpendicular slides to construct x,y
and z axes, composed of three sliding joints, two of which are orthogonal also called XYZ Robot.
a)
Cartesian Arm Configuration
b)
Polar Arm Configuration
c)
Cylindrical Arm Configuration
d)
Articulated Arm Configuration
51.
One advantage of robots with a is that their totally linear movement allows for simpler controls
a)
Cartesian Arm Configuration
b)
Polar Arm Configuration
c)
Cylindrical Arm Configuration
d)
Articulated Arm Configuration
52.
The base (X) axis of a is generally supported along its entire length, but the Y or Z axis is cantilevered.
a)
Gantry Caertesian robot
b)
Cantilevered Cartesian robot
c)
Gantry Robot
d)
Cylindrical Robot
53.
A consists of a manipulator mounted onto an overhead system that allows movement across a horizontal plane
a)
Caertesian robot
b)
Cantilevered Cartesian robot
c)
Gantry Robot
d)
Cylindrical Robot
54.
Configuration robots have a Cylindrical work envelope.
a)
Cylindrical Robot
b)
Gantry Caertesian robot
c)
Cantilevered Cartesian robot
d)
Gantry Robot
55.
In Cylindrical arm configuration,Joint Configuration Notation is
a)
LLL/ PPP
b)
RRL / RRP
c)
LLR / PPR
d)
RRR
56.
In Cartesian arm configuration,Joint Configuration Notation is
a)
LLL/ PPP
b)
RRL / RRP
c)
LLR / PPR
d)
RRR
57.
In Polar arm configuration,Joint Configuration Notation is
a)
LLL/ PPP
b)
RRL / RRP
c)
LLR / PPR
d)
RRR
58.
In Jointed arm configuration,Joint Configuration Notation is
a)
LLL/ PPP
b)
RRL / RRP
c)
LLR / PPR
d)
RRR
59.
A consists of two orthogonal slides, placed at a 90° angle, mounted on a rotary axis.
a)
Cartesian Configuration
b)
Cylindrical Configuration
c)
Polar Configuration
d)
Jointed Configuration
60.
configuration robots have a Spherical work envelope
a)
Cartesian Configuration
b)
Cylindrical Configuration
c)
Polar Configuration
d)
Jointed Configuration
61.
Configuration is attached to end-of-armalong with End effecter
a)
SCARA Assembly
b)
Cartesian Robots
c)
Wrist assembly
d)
none
62.
Motion in a plane perpendicular to the end of the arm is
a)
Roll
b)
Pitch
c)
Yaw
d)
none
63.
Up And Down Motion Of The Wrist or Motion in vertical plane passing through the arm is called
a)
Roll
b)
Pitch
c)
Yaw
d)
none
64.
Side To Side Movement Of Wrist or Motion in a horizontal plane that also passes through the arm is called
a)
Roll
b)
Pitch
c)
Yaw
d)
none
65.
In robotics, an is a device or tool that's connected to the end of a robot arm to perform specific task.
a)
End Effector
b)
Motors
c)
Controllers
d)
Teach Pendant
66.
The function of a are holding, tightening, handling and releasing of an object.
a)
Sensor
b)
Hooks
c)
Robot Gripper
d)
Rack and Pinion
67.
In Gripper the opening force of the gripper is used to hold the object
a)
Internal Gripper
b)
External Gripper
c)
Single Gripper
d)
Double Gripper
68.
A is used as an end effector in a robot for grasping the objects with its mechanically operated fingers.
a)
Mechanical Gripper
b)
Magnetic Gripper
c)
Vacuum Gripper
d)
Adhesive Gripper
69.
An gripper is a robot end effector that grasps objects by literally sticking to them.
a)
Mechanical Gripper
b)
Magnetic Gripper
c)
Vacuum Gripper
d)
Adhesive Gripper
70.
are the device attached to the robot’s wrist to perform a
specific task and are used to perform processing operations on the work piece.
a)
Tools
b)
Links
c)
Rails
d)
Joints
71.
The factors required for selection and design to ensure proper gripping includes
a)
Orientation & Dimensions
b)
Accessibility
c)
Object Shape
d)
All the above
72.
As a result, the gripper must be designed to hold a work part even when the is varied
a)
Orientation & Dimensions
b)
Accessibility
c)
Size
d)
Object Shape
73.
The study of is often referred to as the “geometry of motion.”
a)
kinematics
b)
Robotics
c)
Kinetics
d)
Friction
74.
Kinematics is about simply describing .
a)
Animation
b)
Motion
c)
Anatomy
d)
Structure
75.
The model gives relations between the position and orientation of the end effector and spatial positions of joint – links.
a)
kinematics
b)
Robotics
c)
Science
d)
Friction
76.
is the study of the relationship between a robot's joint coordinates and its spatial layout.
a)
Kinetics
b)
Motion
c)
Robot Kinematics
d)
Anatomy
77.
The robot has – number of joints and - number of links.
a)
“N” and “N+1”
b)
“N” and “N-1”
c)
“N+1”and "N-1”
d)
“N+1”and "N+0”
78.
is measured in the right-hand sense about ai −1.
a)
Link Length[ai]
b)
Link Angle or Link Twist (α)
c)
Joint Length or Link Offset (d)
d)
Joint Angle (θ)
79.
can be defined as the distance from the ai-1 to the ai axis measured along the zi axis.
a)
Link Length[ai]
b)
Link Angle or Link Twist (α)
c)
Joint Length or Link Offset (d)
d)
Joint Angle (θ)
80.
The between the normals is measured in a plane normal to the joint axis and it is Variable if joint is revolute.
a)
Link Length[ai]
b)
Link Angle or Link Twist (α)
c)
Joint Length or Link Offset (d)
d)
Joint Angle (θ)
81.
defines the motion of actuators connected by rigid links.
a)
D-H Parameters
b)
Homogeneous
c)
Link length
d)
Link Angle
82.
The for a serial-chain manipulator is to find the position and
orientation of the end-effector relative to the base, by knowing the positions of all of the joints and the values of all of the geometric link parameters.
a)
Direct kinematics or forward kinematics
b)
Inverse kinematics or Reverse kinematics
c)
Direct kinetics
d)
Inverse kinetics
83.
The process for a serial-chain manipulator is to find the values of the joint positions given the position and orientation of the end-effector relative to the base.
a)
Direct kinematics or forward kinematics
b)
Inverse kinematics or Reverse kinematics
c)
Inverse kinetics
d)
Direct kinetics
84.
is the study of the relation between the applied forces/torques and the resulting motion of an industrial manipulator
a)
Robot dynamics
b)
Robot Kinematics
c)
Robot Anatomy
d)
Robotics
85.
The drive systems are capable of moving robots with high power or speed.
a)
Hydraulic Drive system
b)
Electric Drive System
c)
Pneumatic Drive System
d)
none
86.
The drive system are used in robots handling heavy loads.
a)
Hydraulic Drive system
b)
Electric Drive System
c)
Pneumatic Drive System
d)
none
87.
The drive systems are especially used for the small type robots, which have less than five degrees of freedom.
a)
Hydraulic Drive system
b)
Electric Drive System
c)
Pneumatic Drive System
d)
none
88.
A is a path with specified qualities of motion, that is, a
path on which a time law is specified in terms of velocities and / or accelerations at each point.
a)
Trajectory
b)
Spine
c)
Robot dynamics
d)
Robot Kinematics
89.
is moving a robot from point A to point B while avoiding collisions over time.
a)
Robot dynamics
b)
Trajectory planning
c)
Robot Anatomy
d)
Robot Kinematics
90.
A is the locus of points either in the joint space or in the Cartesian space to be traversed by the manipulator to execute the specified task.
a)
Trajectory
b)
Knot points or via points or interpolation points
c)
path
d)
Spine
91.
are the set of intermediate locations between the start and goal points on the trajectory through which the manipulator must pass enroot to the destination.
a)
Trajectory
b)
Knot points or via points or interpolation points
c)
path
d)
Spine
92.
is the smooth function that passes through the set of via points.
a)
Trajectory
b)
Knot points or via points or interpolation points
c)
path
d)
Spine
93.
The rate at which the trajectory points are computed at run time is called
a)
path update rate
b)
Trajectory
c)
path
d)
Spine
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