MOHSP (Course 400) – Module 4 Exam

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Question 1 of 6

1. Question
Which statement describes a dangerous situation involving robot safety?
- A) A worker overrides safety devices to enter the work cell while a material-handling robot is operating in its automatic mode.
- B) A worker locks out the power to a robot surrounded by a safety fence before entering.
- C) A worker remains at the robotic control station while the robot is operating.
- D) A worker stays behind a light curtain in front of the robot work area.
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Question 2 of 6

2. Question
Which scenario could be a potential hazard when working with a robot or robot system?
- A) Preventing manual or physical access into danger zones by using mechanical barriers.
- B) Entering the robot’s workspace when the robot is working.
- C) Permitting manual or physical access only when the entire system is in a safe state.
- D) Using interlocking devices with closure mechanisms on the access doors.
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Question 3 of 6

3. Question
Consider a scenario where a person is working with a robot that is paused. Which statement describes the worker’s safety status?
- A) The worker is completely safe.
- B) The worker is in danger.
- C) The worker is only in danger when repairs are performed.
- D) The worker is safe, as the light curtains and pressure-sensing mats are still active.
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Question 4 of 6

4. Question
What is the definition of an industrial robot?
- A) A mechanical device that can perform tasks without guidance by remote control.
- B) A mechanical device that is automatically controlled, multipurpose, and programmable in three or more axes.
- C) A mechanical device that cannot be programmed for automatically performing tasks.
- D) A mechanical device that can only perform tasks with human control.
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Question 5 of 6

5. Question
Which statement about the design of industrial robots is true?
- A) Industrial robots are designed to be controlled by using sensors that continually monitor the robot’s position and velocity.
- B) Industrial robots are designed to be controlled by humans who monitor the robot’s position and velocity.
- C) Industrial robots are designed to be controlled by sensors that only monitor the worker’s position.
- D) Industrial robots are designed to be controlled by sensors that monitor the position of the workpiece or object.
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Question 6 of 6

6. Question
What are the major components of an industrial robot?
- A) Control system, sensors, articulating grasp mechanism, and mechanical unit.
- B) Mechanical unit, limit switch, computer control, and power source.
- C) Power source, mechanical unit, conveyer belt, and tool.
- D) Control system, mechanical unit, power source, and tool.
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MOHSP (Course 400) – Module 4 Exam

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