Which of the following can help reduce discomfort from embedded glass fibers when working with
fiberglass insulation products?
a. Taking a hot shower when the work is complete.
b. Applying talcum powder before beginning.
c. Applying lotion before beginning.
d. Taking a cold shower before beginning.
b
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Answer the following statement(s) true (T) or false (F)
1. Solenoids are electromagnetic coils that use a movable plunger to translate electrical energy into straight-line motion. 2. A relay is an electromagnetic switch, almost always with a single switching contact, that may open or close when the relay coil is energized. 3. For the better part of this century, millions of relays have been used as controls for very strong currents or high voltages, with a relatively small voltage or current source. 4. This concept of relay ladder logic plays an important role in the solid-state devices known as programmable processors. 5. The electric bell (or buzzer) demonstrates the principle of modifying a relay circuit to produce vibratory motion.
A transducer using the capacitance principle consists of two concentric cylindrical electrodes. The outer diameter of inner cylinder is 4mm. The inner diameter of the outer electrode is 4.2mm. The length of the electrode is 0.03m. Calculate the change in capacitance if the inner electrode is moved through a distance of 1.5mm.
What will be an ideal response?
The United States ranks first in egg production in the world.
Answer the following statement true (T) or false (F)
A sheet metal screw holding a metal body panel has pierced the insulation of a wire and is touching the copper wire. This is known as a ____________
A) Short to power B) High resistance C) Short to ground D) None of these