The drywall hammer is especially suited for drywall installation because it has a _____.
a. soft rubber head
b. hatchet-like blade on one end for cutting drywall
c. convex face
d. flexible handle
Answer: C
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In semiarid regions, a metal strip called a(n) ____ can be placed on the roof to route runoff on the roof from doorways.
A. diverter B. chase C. valley D. inverter
Generating ideas or concepts that could offer reasonable solutions to your problem is part of which phase in the engineering design process?
a. Recognizing the need for a product or service b. Problem definition and understanding c. Research and preparation d. Conceptualization
Answer the following statement(s) true (T) or false (F)
1.The vinyl covering on the handles of electrical pliers is designed to protect the user from electrical shock on circuits up to 600 volts. 2.A 120-volt double-insulated corded power tool must be grounded to protect the user from electrical shock. 3.The comfort grip handles on screwdrivers are designed for comfort and to provide a secure grip, not to act as an insulator from electrical shock. 4.A T-stripper wire stripping tool is designed to be used on both solid and stranded conductors.
Voltage drop is a better measurement of resistance than testing static resistance because _______
A) The resistance specification for the component is not required for diagnosis
B) Current flow creates heat which adds to circuit resistance
C) Both A and B
D) Neither A nor B