What type of wrench should typically be used on the

This preview shows page 12 - 15 out of 35 pages.

4-18)What type of wrench should typically be used on the screws on fan pulleys and fan blade hubs?
4-19)When would a nut driver typically be used?
12 4-20)What types of pliers are primarily used for mechanical HVACR work?
4-21)Electrical pliers should only be used for cutting what material?
4-22)How is cutting accomplished when using a hacksaw?
4-23)How are files and vises used in refrigeration work?
4-24)What are hand seamers, and when are they used?
4-25)What are the three different types of aviation snips?
4-26)How does a nibbler work?
13 UNIT 5 REVIEW QUESTIONS ANSWER KEY5-1)What are the typical types of screws used on HVACR jobs?
5-2)How are the length and diameters of screws given?
5-3)List the common tip shapes found on sheet metal screws.
5-4)What is the difference between the way a self-threading and a self-drilling sheet metal screw is used?
5-5)Why are rounded tipped sheet metal screws used?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture