Industrial Robotics & Digital Manufacturing 100 MCQ | DGT CTS 2.0
Industrial Robotics & Digital Manufacturing - 100 Technical MCQ
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Industrial Robotics & Digital Manufacturing Technician - Revised July 2022
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About this practice set
This page holds 100 multiple-choice questions for Industrial Robotics & Digital Manufacturing, written to follow the CTS 2.0 syllabus of the Directorate General of Training (DGT) where the source reference above applies. It suits ITI trainees preparing for the all India trade test, for campus or apprenticeship interviews and for quick revision before a viva. The quiz checks each answer and gives an explanation; the full answer key follows so the questions are also readable without running the quiz.
How to use this quiz
- Attempt the questions in one sitting without searching for answers.
- Read the explanation shown after each answer, even when you were right.
- Write down the questions you missed and the reason in your own words.
- Open the answer key below to revise those questions.
- Retake the quiz after a day or two and compare your score.
Sample of what is covered
- What is the duration of the Industrial Robotics & Digital Manufacturing Technician course?
- What should be done with waste materials such as cotton waste and metal chips?
- Why is TCP definition important?
- What is robot jogging?
- Which valve type is explicitly compared with single and double solenoid valves?
- Why are weld parameters changed during quality improvement?
- What is program import?
- Which maintenance item is explicitly checked or topped up?
Answer key with explanations (100 questions)
Q1. What is the duration of the Industrial Robotics & Digital Manufacturing Technician course?
A. One year ✓ Correct answer
B. Three years
C. Six months
D. Two years
Q2. What is the stated sector for this trade?
A. Apparel
B. Capital Goods & Manufacturing ✓ Correct answer
C. Healthcare
D. Automotive only
Q3. Which organization conducts the Craftsmen Training Scheme under the Ministry named in the curriculum?
A. Railway Board
B. Directorate General of Training ✓ Correct answer
C. Bureau of Indian Standards
D. UGC
Q4. How many notional hours are allocated to Professional Skill (Trade Practical)?
A. 150 hours
B. 120 hours
C. 240 hours
D. 840 hours ✓ Correct answer
Q5. How many notional hours are allocated to Professional Knowledge (Trade Theory)?
A. 120 hours
B. 40 hours
C. 840 hours
D. 240 hours ✓ Correct answer
Q6. What is the total stated training time before the mandatory OJT/group project?
A. 1350 hours
B. 840 hours
C. 150 hours
D. 1200 hours ✓ Correct answer
Q7. How many hours of mandatory OJT/group project are specified every year?
A. 150 hours ✓ Correct answer
B. 120 hours
C. 240 hours
D. 40 hours
Q8. What certificate is awarded after successful completion of CTS?
A. Industrial Robot License
B. National Trade Certificate ✓ Correct answer
C. National Engineering Degree
D. National Diploma
Q9. What is the minimum entry qualification stated for this trade?
A. Passed 12th science only
B. Diploma in Engineering
C. Passed 8th class
D. Passed 10th class examination ✓ Correct answer
Q10. What is the minimum age specified for admission?
A. 16 years
B. 12 years
C. 14 years ✓ Correct answer
D. 18 years
Q11. Which safety item is explicitly included in the learning outcomes?
A. Only robot speed
B. Only software licensing
C. Only welding current
D. PPE and safe working practices ✓ Correct answer
Q12. Which concept is included in housekeeping and shop-floor practice?
A. Six Sigma certification only
B. 5-axis machining only
C. 5S ✓ Correct answer
D. CAD rendering
Q13. What should be done with waste materials such as cotton waste and metal chips?
A. Dispose of them safely according to procedure ✓ Correct answer
B. Put them inside the PLC panel
C. Mix them with welding gas
D. Leave them near the robot
Q14. Which safety equipment is used for eye/body protection as part of PPE?
A. HMI
B. Personal protective equipment ✓ Correct answer
C. PLC
D. TCP
Q15. What is one main job-role activity of a robotic cell operator?
A. Load unfinished parts into the fixture and remove finished products ✓ Correct answer
B. Design building foundations
C. Repair vehicle engines
D. Operate only a manual lathe
Q16. What is a robotic cell?
A. Only a welding torch
B. A robot work area with robot, fixtures, safety devices and application/peripheral equipment ✓ Correct answer
C. Only a robot arm
D. Only a PLC cabinet
Q17. Which item is specifically identified as a robotic cell component?
A. Office printer
B. Hand calculator
C. Domestic refrigerator
D. Safety sensors ✓ Correct answer
Q18. What should be checked during mechanical and electrical installation of a robot?
A. Only floor markings
B. Only keyboard language
C. Safety sensors, grouting, electrical connections and pneumatic/hydraulic connections ✓ Correct answer
D. Only paint color
Q19. What is robot cell health?
A. Only welding wire length
B. Verification that mechanical, electrical and safety conditions are ready for operation ✓ Correct answer
C. Robot paint condition
D. Only program file size
Q20. What is a standard robot ON/OFF procedure used for?
A. Safe startup and shutdown of the robotic system ✓ Correct answer
B. Increasing payload
C. Changing robot configuration automatically
D. Measuring weld bead size
Q21. What should be checked before programming after powering on the robot?
A. Only the drawing title block
B. Only the tool cabinet
C. Only the classroom temperature
D. Robot cell health and safety checkpoints ✓ Correct answer
Q22. What is a teach pendant?
A. A pneumatic cylinder
B. A welding gas regulator
C. A handheld/operator interface used to teach, operate and program the robot ✓ Correct answer
D. A measuring instrument
Q23. Which teach pendant modes are explicitly practiced?
A. Teach, Play and Remote ✓ Correct answer
B. CAD, CAM and CAE
C. Weld, Cut and Grind
D. Manual, Lathe and Drill
Q24. What is TCP in robot programming?
A. Tool Center Point ✓ Correct answer
B. Total Control Pressure
C. Torque Calibration Program
D. Tool Change Position
Q25. Why is TCP definition important?
A. It changes the robot's electrical supply
B. It establishes the reference point of the robot tool for motion/application work ✓ Correct answer
C. It measures room temperature
D. It replaces the PLC
Q26. What is a user-defined work object?
A. A defined reference used for robot work-coordinate operations ✓ Correct answer
B. A safety shoe
C. A robot motor
D. A type of welding gas
Q27. Which geometric work objects are specifically listed?
A. Cube, gear and thread only
B. Cylinder, cone and sphere only
C. Arc, ellipse and helix only
D. Box, circle and triangle ✓ Correct answer
Q28. What is robot simulation software used for?
A. Only storing attendance
B. Only calculating steel weight
C. Creating and testing robot programs virtually before/alongside physical operation ✓ Correct answer
D. Only editing photographs
Q29. What is one advantage of robot simulation mentioned in the curriculum?
A. It eliminates all programming
B. It can help optimize cell structure and reduce rework/procurement risk ✓ Correct answer
C. It replaces every physical robot
D. It removes the need for safety sensors
Q30. What is cycle time?
A. The time to install a safety shoe
B. The time required to complete a defined production cycle/task ✓ Correct answer
C. The time to draw a circle
D. The time to charge a battery
Q31. Why is cycle-time optimization important in a robotic process?
A. It changes the robot payload rating
B. It can improve productivity and process efficiency ✓ Correct answer
C. It changes the material grade
D. It replaces the HMI
Q32. Which coordinate system is explicitly included in robot training?
A. Only polar coordinate system
B. Joint coordinate system ✓ Correct answer
C. Only geographic coordinates
D. Only GPS coordinates
Q33. Which other coordinate system is explicitly included?
A. Only machine-room coordinates
B. Only GPS coordinates
C. Only cylindrical tank coordinates
D. Rectangular coordinate system ✓ Correct answer
Q34. Which coordinate system is associated with the robot tool?
A. Electrical coordinate system
B. Building coordinate system
C. Gas coordinate system
D. Tool coordinate system ✓ Correct answer
Q35. Which coordinate system is associated with a user/object reference?
A. User or object coordinate system ✓ Correct answer
B. Only world GPS system
C. Only tool coordinate system
D. Only joint coordinate system
Q36. What are X, Y and Z in the context of the robot coordinate system?
A. Robot alarm codes
B. PLC memory types
C. Welding gases
D. Coordinate axes used to define position in space ✓ Correct answer
Q37. What is robot jogging?
A. Measuring a workpiece with a micrometer
B. Manually moving the robot through controlled axis/coordinate commands ✓ Correct answer
C. Replacing a fuse
D. Changing the welding gas
Q38. Which jogging mode is explicitly mentioned?
A. Only welding mode
B. Axis mode / joint mode ✓ Correct answer
C. Only simulation mode
D. Only automatic mode
Q39. What is an end effector?
A. A measuring scale
B. A floor anchor
C. An application tool attached to the robot for performing a task ✓ Correct answer
D. The robot controller cabinet
Q40. Which is an example of a robot end effector/application tool?
A. HMI screen
B. Earthing cable
C. PLC rack
D. Gripper ✓ Correct answer
Q41. Which gripper type is explicitly listed?
A. Mechanical micrometer
B. Hydraulic gauge only
C. Magnetic compass
D. Pneumatic gripper ✓ Correct answer
Q42. Which gripper type uses vacuum for handling parts?
A. Vacuum gripper ✓ Correct answer
B. Pneumatic clamp only
C. Servo-electric gripper
D. Hydraulic pump
Q43. Which gripper type is electrically controlled by a servo mechanism?
A. Manual clamp
B. Vacuum gripper
C. Servo-electric gripper ✓ Correct answer
D. Pneumatic gripper
Q44. Which factor is important when selecting a gripper?
A. Only the robot paint color
B. Only the classroom size
C. Application and workpiece requirements ✓ Correct answer
D. Only the operator's shoes
Q45. What is pick and place?
A. A drawing projection
B. A PLC programming language
C. A welding defect
D. A robot handling operation that picks a part and places it at another location ✓ Correct answer
Q46. Which handling application is listed with bin picking?
A. Lathe threading
B. Manual filing
C. Sheet-metal bending only
D. Part transfer ✓ Correct answer
Q47. Which application involves arranging products onto pallets?
A. Palletizing ✓ Correct answer
B. Reaming
C. Boring
D. Facing
Q48. What is a solenoid valve used for in the gripper/application context?
A. Measuring weld bead hardness
B. Measuring robot coordinates
C. Displaying HMI graphics
D. Controlling fluid/air flow to an actuator such as a pneumatic gripper ✓ Correct answer
Q49. Which valve type is explicitly compared with single and double solenoid valves?
A. Check valve only
B. Gate valve only
C. Proportional valve ✓ Correct answer
D. Needle gauge
Q50. What is a low-air-pressure interlock intended to do?
A. Increase robot payload
B. Measure weld voltage
C. Prevent/limit operation when required pneumatic pressure is too low ✓ Correct answer
D. Change TCP automatically
Q51. What is robot I/O interfacing used for?
A. Measuring metal density
B. Charging a battery
C. Exchanging control/status signals between the robot and external devices ✓ Correct answer
D. Changing drawing paper size
Q52. Which external controller is explicitly used for gripper interfacing?
A. PLC ✓ Correct answer
B. Power drill
C. Oscilloscope only
D. Micrometer
Q53. What is PLC in a robotic cell commonly used for?
A. Providing welding gas
B. Industrial control and communication with cell devices ✓ Correct answer
C. Measuring surface roughness only
D. Holding the robot physically
Q54. What is HMI?
A. Heat Measurement Instrument
B. Hydraulic Machine Indicator
C. Human Machine Interface ✓ Correct answer
D. High Motor Input
Q55. Which device is used to communicate between a robot and HMI in the curriculum?
A. PLC and robot communication ✓ Correct answer
B. Only a hand tool
C. Only a micrometer
D. Only a welding torch
Q56. What is a conveyor system used for in a robotic cell?
A. Programming TCP
B. Measuring robot angle
C. Checking weld gas
D. Moving parts/material between process locations ✓ Correct answer
Q57. What is the purpose of a robot welding torch?
A. Measure robot coordinates
B. Deliver the welding process at the robot tool position ✓ Correct answer
C. Hold a PLC module
D. Provide compressed air only
Q58. Which welding parameters are explicitly adjusted?
A. Only temperature and pressure
B. Voltage and amperage ✓ Correct answer
C. Only speed and weight
D. Only length and area
Q59. What do ARCON and ARCOFF relate to in the robot welding application?
A. Gripper pressure commands
B. Robot coordinate systems
C. Arc welding control commands ✓ Correct answer
D. PLC arithmetic commands
Q60. What do WEAVON and WEAVOFF relate to?
A. Pneumatic pressure settings
B. Robot startup passwords
C. Welding weave control commands ✓ Correct answer
D. Drawing dimensions
Q61. Why are weld parameters changed during quality improvement?
A. To improve welding quality and address defects ✓ Correct answer
B. To change the robot's physical payload
C. To replace the PLC
D. To change drawing projection
Q62. Which welding defect activity is included?
A. Only drawing errors
B. Only software bugs
C. Only painting defects
D. Identification of welding defects and basic correction ✓ Correct answer
Q63. What is interpolation in a robot application?
A. A gripper material
B. A drawing paper size
C. A method of controlling coordinated motion/path between programmed positions ✓ Correct answer
D. A type of PPE
Q64. Which robot motion command is associated with joint movement?
A. Move L
B. Move J ✓ Correct answer
C. Move S
D. Move C
Q65. Which robot motion command is associated with linear motion?
A. Move J
B. Move L ✓ Correct answer
C. Move S
D. Move C
Q66. Which robot motion command is associated with circular motion?
A. Move C ✓ Correct answer
B. Move L
C. Move S
D. Move J
Q67. Which robot motion command is associated with spline motion?
A. Move J
B. Move S ✓ Correct answer
C. Move L
D. Move C
Q68. Which motion types are listed in the robot program structure theory?
A. Only manual and auto
B. Only PTP and drilling
C. PTP, Linear, Circular and Spline ✓ Correct answer
D. Only welding and cutting
Q69. What is a via point in robot programming?
A. A measuring instrument
B. An intermediate programmed point used in the robot path ✓ Correct answer
C. A PLC fuse
D. A welding gas setting
Q70. What is a process point?
A. A programmed location associated with carrying out the application/process ✓ Correct answer
B. A drawing title block
C. A PLC terminal only
D. A safety shoe position
Q71. Which robot program execution mode is explicitly used at moderate speed?
A. Inspection mode
B. Drawing mode
C. Calibration-only mode
D. Moderate speed mode ✓ Correct answer
Q72. Why is a dry run performed before normal production?
A. To change material properties
B. To increase payload
C. To verify the robot follows the intended path and reduce safety/production risk ✓ Correct answer
D. To eliminate all sensors
Q73. What is program import?
A. Measuring cycle time
B. Bringing a robot program file from an external source into the robot system ✓ Correct answer
C. Deleting all robot programs
D. Changing robot paint
Q74. What is program export?
A. Saving an existing robot program to an external device ✓ Correct answer
B. Setting air pressure
C. Measuring a weld bead
D. Changing a gripper
Q75. Which file operation is part of robot program management?
A. Replacing the safety fence with a file
B. Measuring floor area
C. Selecting an existing program from the system file location ✓ Correct answer
D. Changing a motor bearing
Q76. What is the purpose of reading an existing robot program?
A. Measure air pressure
B. Select PPE
C. Change the robot's mechanical base
D. Understand its structure and execution before operating/modifying it ✓ Correct answer
Q77. What is path optimization?
A. Changing robot color
B. Increasing file size
C. Replacing the safety sensor
D. Improving robot motion path to reduce unnecessary movement and improve cycle time ✓ Correct answer
Q78. What is productivity in a robotic manufacturing process?
A. Output produced relative to the resources/time used ✓ Correct answer
B. Robot payload only
C. Drawing size only
D. PLC voltage only
Q79. Why is machining/operation cost calculated?
A. To define TCP
B. To set X-axis
C. To understand the cost of carrying out the operation/process ✓ Correct answer
D. To select safety shoes
Q80. What is a virtual field in robot simulation?
A. A pneumatic hose
B. A PLC cabinet
C. A physical welding table
D. A simulated workspace in which robot components and operations can be created/tested ✓ Correct answer
Q81. What is real-time robot control through simulation software intended to provide?
A. A replacement for all safety systems
B. A communication/control path between simulation and the real robot when configured appropriately ✓ Correct answer
C. A method to change material grade
D. A way to measure room humidity
Q82. What is Industry 4.0 in the context of this trade?
A. A hand tool
B. A measuring gauge
C. A modern industrial approach involving connected, digital and automated manufacturing systems ✓ Correct answer
D. A type of welding electrode
Q83. What is remote monitoring of an industrial robot?
A. Grinding a tool
B. Physically moving the robot by hand
C. Monitoring robot/system status through a remote connectivity setup ✓ Correct answer
D. Measuring a part with a micrometer
Q84. What is preventive maintenance?
A. Changing the drawing format
B. Repair only after a major breakdown
C. Increasing robot speed without inspection
D. Planned maintenance performed to keep equipment reliable and reduce faults ✓ Correct answer
Q85. Which maintenance item is explicitly checked or topped up?
A. Drawing ink
B. PLC paint
C. Lubrication oil ✓ Correct answer
D. PPE fabric
Q86. What should be inspected regarding the welding wire during maintenance?
A. Only its package label
B. Only its storage box size
C. Only its color
D. Condition and replacement when required ✓ Correct answer
Q87. What should be verified regarding welding gas?
A. Only the robot TCP
B. Only the HMI brightness
C. Gas availability/condition and proper supply for the process ✓ Correct answer
D. Only the floor marking
Q88. What pneumatic maintenance check is explicitly included?
A. Checking for pneumatic leakages in operating fixtures ✓ Correct answer
B. Checking robot paint
C. Checking drawing paper
D. Checking room temperature only
Q89. What should be verified among the robot safety devices during maintenance?
A. Only the welding table
B. Only the keyboard
C. Only the measuring scale
D. All safety sensors ✓ Correct answer
Q90. Which instrument is listed in the equipment annexure for measuring outside dimensions?
A. Pressure switch
B. Thermometer
C. Ammeter
D. Outside micrometer ✓ Correct answer
Q91. Which instrument is listed for general dimensional measurement up to 15 cm?
A. HMI
B. PLC
C. Welding regulator
D. Vernier caliper ✓ Correct answer
Q92. Which instrument is listed for measuring internal dimensions up to 20 mm?
A. Steel hammer
B. Spirit level
C. Laser pen
D. Inside micrometer ✓ Correct answer
Q93. What is a V-block commonly used for in workshop measurement/setup?
A. Programming the robot
B. Providing compressed air
C. Controlling welding current
D. Supporting cylindrical workpieces for inspection or layout ✓ Correct answer
Q94. What is a surface plate used for?
A. Programming PLC logic
B. Providing a flat reference surface for measurement, inspection and layout ✓ Correct answer
C. Generating welding gas
D. Moving the robot
Q95. What is a spirit level used to check?
A. Level/horizontal condition of a surface or setup ✓ Correct answer
B. Welding wire diameter
C. Robot program syntax
D. PLC memory
Q96. What is a digital dial torque wrench used to measure?
A. Part temperature
B. Applied tightening torque ✓ Correct answer
C. Robot coordinate X
D. Welding gas pressure only
Q97. What is a lifting sling used for?
A. Programming a robot
B. Controlling HMI
C. Lifting/handling loads within its rated capacity ✓ Correct answer
D. Measuring thread pitch
Q98. What is the purpose of an isolation transformer in an electrical setup?
A. Increase robot payload
B. Control gripper fingers directly
C. Measure robot coordinates
D. Provide electrical isolation between circuits for safer/appropriate power arrangements ✓ Correct answer
Q99. Which equipment provides compressed air for pneumatic robot-cell devices?
A. PLC panel
B. Air compressor ✓ Correct answer
C. Welding table
D. Surface plate
Q100. What is an HMI in a standard robotic welding cell used for?
A. Supporting the robot mechanically
B. Measuring workpiece mass
C. Operator interface and monitoring/control interaction with the cell ✓ Correct answer
D. Holding welding wire
Frequently asked questions
Is this Industrial Robotics & Digital Manufacturing quiz based on the official syllabus?
The questions follow the topics of the DGT CTS 2.0 curriculum for the trade. Always check the latest syllabus and your state or institute notices, because trade lists and weightage can change.
How many questions are there and how are they marked?
There are 100 multiple-choice questions with one correct option each. The quiz shows your score at the end; there is no negative marking on this practice page.
How can I use the explanations?
After each answer read the explanation, note the fact in your own words, and revisit the questions you missed in the answer key below. Repeating the set after a few days works better than reading it once.
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