Discussions

Question 1

Why does arc welding generate intense heat? 

Your response must be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Reference: Jensen, R. C. (2012). Risk-reduction methods for occupational safety and health. Hoboken, NJ: John Wiley & Sons.

Question 2

Briefly explain the difference between conductive and convective heat transfer. Provide a workplace example of each. 

Your response must be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Reference: Jensen, R. C. (2012). Risk-reduction methods for occupational safety and health. Hoboken, NJ: John Wiley & Sons.

Question 3

Explain the reason for having a grounding wire on portable power tools. 

Your response must be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Reference: Jensen, R. C. (2012). Risk-reduction methods for occupational safety and health. Hoboken, NJ: John Wiley & Sons.

Question 4

One tactic for reducing noise exposure is to set up a barrier between the source and the personnel. What are the characteristics of an effective barrier? 

Your response must be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Reference: Jensen, R. C. (2012). Risk-reduction methods for occupational safety and health. Hoboken, NJ: John Wiley & Sons.

Question 5

Imagine that you coach a track team. You have three athletes who compete in the shot put event. All three have good technique and achieve similar trajectory angles. One can put the shot farther than the others. Using the concepts of energy, work, and power, explain why he can outperform the others. 

Your response must be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

Reference: Jensen, R. C. (2012). Risk-reduction methods for occupational safety and health. Hoboken, NJ: John Wiley & Sons.