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WorksheetsPrelim Exam Robotics:18.02.2022
Total questions: 72
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
Type Your Name
4 lines
2.
Type Your Roll No
4 lines
3.
The capacity of robot to carry load is known as
a)
Load Carrying Capacity
b)
Work Envelope
c)
Maximum Reach
d)
None Of The Above
4.
The speed at which robot is capable of manipulating its end effectors is known as the
a)
Velocity Of Robot
b)
Maximum Reach
c)
Speed Of Movement
d)
Load Carrying Capacity
5.
Which of the following is not one of the 3 Laws of Robotics?
a)
A Robot Must Obey Orders Given To It By Human Beings.
b)
A Robot Must Follow The Laws Of Motion And Nature
c)
A Robot May Not Injure A Human Being.
d)
A Robot Must Protect Its Own Existence AsLong As It Does Not Conflict With The OtherTwo Laws
6.
Which of the following statements is true?
a)
All Robots Are Intelligent
b)
All Robots Are Electromechanical Machines Using Electronic Programming
c)
All Robots Act Like Humans
d)
All Robots Are Controlled Remotely
7.
Who created “Sophia”, the humanoid robot?
a)
Jeff Bezos
b)
Mark Zuckerberg
c)
David Hanson
d)
True
8.
Who created the Laws of Robotics?
a)
Mr. Roboto
b)
Albert Einstein
c)
Isaac Asimov
d)
Isaac Newton
9.
Drive unit of a robot is also know as
a)
Sensors
b)
Controller
c)
Manipulator
d)
Actuator
10.
How many types of drive systems are used in industrial robots
a)
Four
b)
Three
c)
Five
d)
Two
11.
To increase torque,we usually sacrifice_____
a)
All Of Thease
b)
Precision
c)
Reapeatibility
d)
Speed
12.
To turn robot into a cnc machine,you need to____
a)
Use Proper Programming
b)
All Of Thease
c)
Add Motorized Tooling
d)
Use Proper Cutting Tools
13.
The use of electronic and computer-controlled devices to perceive and manipulate the world around us
a)
Robot
b)
Internet
c)
Robotics
d)
Social Media
14.
Among the following, which drive system provides the robot with greater speed and strength
a)
Pneumatic
b)
None
c)
Hydraulic
d)
Electrical
15.
The following drive is used for lighter class of Robot
a)
Hydraulic Drive
b)
Pneumatic Drive
c)
None
d)
Electric Drive
16.
Consider a statement(S) made about electric actuator for robotic applications and a reason(R) assigned to it.
S: a power electronic converter is generally used for energizing the motor in the closed loop drive of the actuating system.
R: the power converter is used to feed adjustable input supply to the motor as decided by the controller. Of these
a)
Both (S)And(R) Are True And (R)Is The Correct Reason For(S)
b)
Both (S)And(R) Are True And (R)Is Not The Correct Reason For(S)
c)
(S)Is True And (R)Is False
d)
Both(S) And (R) Are Not True
17.
..........grippers are used to transfer ferrous material
a)
Magnetic Gripper
b)
Mechanical Gripper
c)
Adhesive Gripper
d)
Vaccum Cup Gripper
18.
________________ is the force that makes it difficult for things to move.
a)
Friction
b)
Levers
19.
A circular shaped object can be grasped
a)
By Making The Contacting Surfaces To Be Circular
b)
By Controlling Friction Between Finger And Object
c)
Both
20.
A double gripper has two gripping devices attached to the wrist and is used to handle twoseparate objects.
a)
True
b)
False
21.
A mechanical gripper is an end effector that has mechanical fingers which
a)
Are Also Called As Jaws
b)
Can Be Detached And Replaced
c)
Make Proper Contact With The Object
d)
Are Mostly Two In Number
22.
A Universal gripper can
a)
Grip A Variety Of Objects In Terms Of Weight
b)
Grip A Variety Of Objects In Terms Of Shape
c)
Grip Objects Using Force(S)
d)
Grip Objects Using Its Geometry Only
23.
Grippers are of _____________ nature.
a)
Mechanical
b)
Magnetic
c)
Pneumatic
d)
All
24.
In vacuum cup grippers, _________ is a cheap device used to create vacuum.
a)
A Suction Device
b)
A Venturi Device
c)
A Vacuum Pump
25.
The sensor that sends out sound pulses called pings, then receives the returning sound echo is called
a)
Active Sonar
b)
Passive Sonar
c)
Radar
d)
Laser Rangefinder
26.
Which of the following is an example of infrared sensor?
a)
Thermometer
b)
Accelerometer
c)
Gyroscope
d)
TV Remote
27.
Which of the following sensor work based on sound navigation ranging?
a)
Sonar
b)
Radar
c)
Intertial
d)
Biosensor
28.
Which sensor is used in today’s mobile phone screen?
a)
Contact Sensor
b)
Inertial Sensor
c)
Infrared Sensor
d)
Biosensor
29.
A device that is used to detect event or changes in the environment is called
a)
Sensor
b)
Middleware
c)
Actuator
d)
Transducer
30.
Which of the following branch process with sensory feedback in robotics?
a)
Computer Engineering
b)
Mechanical Engineering
c)
Electrical Engineering
d)
Electronics Engineering
31.
Which of the following is the component of machine that is responsible for controlling a mechanism system?
a)
Sensor
b)
Middleware
c)
Actuator
d)
Transducer
32.
Which of the following sensor is not used to measure the distance?
a)
Radar
b)
Sonar
c)
Laser Rangefinder
d)
Intertial Sensor
33.
Sensor based servoing associate with
a)
Robot pose
b)
Robot action
c)
Robot position
d)
Robat path
34.
Which of the following is/are practical applications of Tactile sensors
a)
Elevators
b)
Mobile phones
c)
Robotics
d)
All of these
35.
What is the other name for tactile sensors
a)
Touch sensors
b)
Temperature sensors
c)
Humidity sensors
d)
Exponential sensors
36.
What is the name for information sent from robot sensors to robot controllers?
a)
Signal
b)
Feedback
c)
Pressure
d)
None of the Above
37.
6-Drives are also known as
a)
Actuators
b)
Controller
c)
Sensors
d)
Manipulator
38.
From which of the following is known as non-contact sensor
a)
Force sensor
b)
Tactile sensor
c)
Proximity sensors
d)
None of the above
39.
____ sensors are used to indicate presence or absence of hot objects
a)
Vision sensors
b)
Infrared sensors
c)
Photo-metric sensors
d)
Range detectors
40.
____ sensors are used to identify objects for pick and place purpose
a)
Range detectors
b)
Infrared sensors
c)
Vision sensors
d)
Photo-metric sensors
41.
Robot'S Motion Planning Algorithm (In Terms Of Computational Complexity) Working Among Moving Obstacles In 3D Space With Velocity Bound Is
a)
P- Hard
b)
Np- Hard
c)
Linearly- Hard
d)
Pspace- Hard
42.
The Aim Of Trajectory Planning Is To
a)
Determine A Collision-Free Path For The Robot.
b)
Ensure The Smooth Variations Of Displacement, Velocity And Acceleration At Each Of The Robotic Joints
c)
Determine The Force/Torque Required At Each Of The Robotic Joints.
d)
Control The Motors Connected At Various Joints Of A Robot.
43.
The Forward Kinematics Of A Polar Architecture Robot Without Considering The Wrist Assembly Will Have:
a)
3 Joint Variables Which Are Angles
b)
2 Joint Variables That Are Angles And A Joint Variable Which Is A Distance
c)
1 Joint Variable Which Is An Angle And 2 Joint Variables Which Are Distances
d)
4 Joint Variables That Are Distances
44.
The Inverse Kinematics Calculation Is Way More Difficult Than The Forward KinematicsBecause Of These Reasons, Except
a)
The Solution May Not Exist
b)
May Have Multiple Solutions
c)
Exponential
d)
Non-Linear
45.
The Robot Performance Criteria For Position Accuracy Parameters Criteria For PositionAccuracy Parameters Are_______
a)
Corner Accuracy
b)
Repeatability
c)
Cycle Time
d)
Nominal Load
46.
Which Of The Following Is Not A Link Parameter
a)
Di
b)
Αi
c)
Ai
d)
None
47.
Which One Of The Following Statement Is False
a)
Jacobian Is Nothing But Multi Dimensional Form Of Derivative
b)
Jacobian Matrix Relates The Cartesian Velocity Of A Manipulator With Its Joint Velocity
c)
To Determine Singularity Condition Of Manipulator, The Determinant Of Its Jacobian Matrix Is Put Equal To Zero
d)
A Manipulator Gains At Least One Degree Of Freedom (Dof) At Its Singularity Condition
48.
Which One Of The Following Statements Flase Regarding The Kinematics Analyses Of Minimover, 5 Is Dof Sertal Manipulator?
a)
Its Forward Kinematics Has A Unique Solution
b)
Its Inverse Kinematics Has A Unique Solution
c)
Its Inverse Kinematics Has Multiple Solutions,
d)
Forward Kinematics Analysis Is To Be Done At First, Before Carrying Out Its Inverse Kinematics
49.
Which One Of The Following Statements Is False Regarding Potential Field Approach Of Robot Motion Planning?
a)
In This Approach, A Robot Moves Under The Action Of Combined Attractive And Repulsive Potentials.
b)
In This Approach, The Planning Robot May Suffer From The Locally Minimum Problem.
c)
It Is An Analytical Approach.
d)
It Is An Adaptive And Intelligent Motion Planning Algorithm For The Robot.
50.
Which One Of The Following Statements Is False Regarding The Traditional/Algorithmic Approaches Of Robot Motion Planning?
a)
These Approaches Can Yield Adaptive Solutions.
b)
These Approaches Are Found To Be Not Versatile.
c)
These Approaches Cannot Yield Time- Optimal Path For The Robot Always.
d)
These Approaches, In General, Are Found To Be Computationally Expensive.
51.
Which One Of The Following Statements Is False?
a)
Manipulation And Navigation Problems In Robotics Are Exactly The Same.
b)
Manipulation And Navigation Problems In Robotics Are Different.
c)
Obstacle Avoidance Scheme Is An Essential Component Of Robot Motion Planning.
d)
Robot Motion Planning Is Different From Its Trajectory Planning.
52.
Which One Of The Following Statements Is True Regarding A Serial Manipulator?
a)
Its Forward Kinematics Problem Is More Difficult
b)
Its Inverse Kinematics Problem Is More Difficult To Solve Compared To The Forward Kinematics
c)
Computational Complexity Of Its Forward Kinematics Problem Is Not Comparable To That Of Its Inverse Kinematics Probiem.
d)
Its Invane Kinematics Problem Need Not Be Solved At All
53.
Which One Of The Following Statements Is True?
a)
Rot(X.Θ1 )Rot (X.Θ₂) - Rot(X.Θ₂)Rot(X.Θ.)
b)
Rot(X.Θ1)Rot(X.Θ₂) -Rot(X.0)Rot (X.Θ₁)
c)
Rot(X,Θ1)Rot(X,Θ₂) = Rot(X,Θ1 +Θ₂)
d)
Rot(X.Θ)Rot(X.Θ₂) - Rot(X,Θ1-Θ₂)
54.
Which One Of The Following Statements Is True?
a)
Resolution Of A Robot Is The Same As Its Repeatability
b)
Accuracy Of A Robot Is The Same As Its Repeatability
c)
Resolution Of A Robot Is Nothing But Its Least Count
d)
Accuracy Of A Robot Is Nothing But Its Resolution
55.
Which Type Of Motion Is Possible In Jointed Arm Robots
a)
3 Linear 1 Rotatianol Motion
b)
3 Rotatianol Motion
c)
3 Linear Motion
d)
2 Linear 1 Rotatianol Motion
56.
Which Variables Do We Need To Find In The Forward Kinematics?
a)
Enid-Effector Coordinate
b)
Base Rotation
c)
Link Length
d)
Joint Angle
57.
Which of the end effector is used to transfer molten metal
a)
Hook
b)
Scoop
c)
Single Finger
d)
Multi Finger
58.
Industrial robots are generally designed to carry which of the following systems
a)
Cartesian Coordinate system
b)
Polar Coordinate system
c)
Cylindrical Coordinate system
d)
All of the above
59.
What is necessity for a lot of sensible mobile robotic function
a)
Map discovery
b)
Geometric Maps
c)
Perceptual Maps
d)
Sensorial Maps
60.
The robot that repeats the same motions according to recorded information is called
a)
Fixed Sequence Robot
b)
Variable sequence robot
c)
Playback Robot
d)
Numerical Control robot
61.
Which of the following is not functionality of robotics?
a)
Re-programmability
b)
Multi-functionality
c)
Efficient performance
d)
Responsibility
62.
From the following in which FMS layout robots are used as material handling system
a)
Ladder layout
b)
Open field layout
c)
Loop layout
d)
Robot centered layout
63.
____ is a general purpose, programmable machine possessing certain human like characteristics
a)
Robot
b)
Manipulator
c)
Gripper
d)
None of the above
64.
_____ is area of engineering and science which understand the different principles, structure andprogramming of robot
a)
Mechatronics
b)
Robotics
c)
Aeronautics
d)
None of the above
65.
____ is also known as work volume of robot
a)
Work envelop
b)
Speed of movement
c)
Load carrying capacity
d)
Precision of movement
66.
____ is a collection of mechanical linkage connected by joints
a)
End effector
b)
Gripper
c)
Sensor
d)
Manipulator
67.
A combination of equipment and controls which handles, stores and retrieves materials withprecision,accuracy and speed under a defined degree of automation is known as ____
a)
Automated storage and retrieval system (AS/RS)
b)
Flexible manufacturing system
c)
Automated guided vehicle
d)
None of the above
68.
AGV robot is placed in which of the following category
a)
A Mobile Robot
b)
A Saturated Robot
c)
An unaturated Robot
d)
A Natural Robot
69.
Which of the following statements concerning the implementation of robotic systems is correct?
a)
implementation of robots CAN save existing jobs
b)
implementation of robots CAN create new jobs
c)
robotics could prevent a business from closing
d)
All of the above
70.
Which of the following IS NOT one of the advantages associated with a robotics<br />implementation program?
a)
Low costs for hardware and software
b)
Robots work continuously around the clock
c)
Quality of manufactured goods can be improved
d)
Reduced company cost for worker fringe benefits
71.
The collaborative robot arms are designed to mimic the range of motion of a __
a)
Network
b)
Machine arm
c)
Device
d)
Human arm
72.
Which of the following is not the application of robotics
a)
Hills
b)
Medicine
c)
Medicine
d)
Industries
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