Obt3 - Study guides, Class notes & Summaries

OBT3 EXAM UPDATED Actual Exam Questions and CORRECT Answers Which of the following should be worn when using power tools? a) Safety glasses b) A hard hat c) Leather gloves d) Safety boots - CORRECT ANSWER- A What is the minimum acceptable type of respiratory protection to be used when cleaning a soot filled furnace? - CORRECT ANSWER- Disposable Filter Masks

OBT3 EXAM Chapters 1-17 Questions and Answers with complete solution

Which of the following should be worn when using power tools? a) Safety glasses b) A hard hat c) Leather gloves d) Safety boots correct answersA What is the minimum acceptable type of respiratory protection to be used when cleaning a soot filled furnace? correct answersDisposable Filter Masks What is the proper vertical to horizontal distance ratio for ladder placement? correct answers3:1 or 4:1 What muscles or parts of your body should you primarily use to lift a weight from th...

OBT3- Chapter 14 Exam 2023...

OBT3 EXAM QUESTIONS WITH CORRECT ANSWERS GRADED A+ 100% 2024

Which of the following statements is correct? Pressure is defined as: a) Weight per cubic foot. b) Force (as measured by weight) exerted against known area. c) Force (as measured by weight) exerted against known volume. d) All of the listed choices - B Which of the following statements is correct? a) Gases flow from a low pressure to a higher pressure. b) Gases do not flow unless pushed by mechanical devices. c) Gases flow from a high pressure to a lower pressure. d) Gases f...

which burns better carbon or hydrogen atoms? correct answersHydrogen and it produces more heat during combustion true or false. Types of hydrocarbon molecules found in lighter fuel oils are less complex and easier to break apart during combustion than the hydrocarbon molucules found in the heavier fuel oils correct answersTrue the most common type of fuel oil used in residential and light commercial appliances correct answersType 2 what changes with the temurature of fuel oils correct a...