What material are electric heater coils often made from?
A) Steel and chrome alloy wire B) Copper and brass
C) Nickel-chrome alloy wire D) Silicon carbide
C
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If fluxes become overheated or burned, they will stop working as fluxes, and become a contamination in the joint.
Answer the following statement true (T) or false (F)
In LEED v4 sustainability rating system, a building may earn a maximum of 110 points. Of these 110 points, 99 points may be earned from the impact of a building on six environmental impact categories, which are: 1. Location and Transportation (LT); 2. Sustainable Sites (SS); 3. Water Efficiency (WE); 4. Energy and Atmosphere (EA); 5. Materials and Resources (MR); and 6. Indoor Environmental
Quality (EQ). Each category has been assigned points, so that the sum total of points in all six categories is 99. The number of points assigned to a category gives its relative importance to sustainability of the building. The MR category deals with the impact of materials used in the building on the environment. How many points are assigned to this category? What will be an ideal response?
When work involving exposure to electrical hazards is considered, the energized electrical work permit process is used to _____.
a. conduct shock and arc flash risk assessments b. supplement the pre-job briefing c. obtain signatures for approval d. plan and authorize the work
Feed intake is greater when a high-energy ration is fed and lower when a low-energy ration is fed
Indicate whether the statement is true or false.