____ is a technique used for uncovering perspectives. The goal is to make the "familiar strange and the strange familiar."
A. Vertical thinking
B. Synectics
C. Analogy
D. Contrast
Answer: B
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Where is the primary place for food storage in a plant?
a. stem c. flower b. leaves d. root
A 100-watt incandescent lamp produces about ____ lumens.
A. 1000 B. 1750 C. 5700 D. 17,500
The Eurostar provides international high speed train service between Paris, London, and Brussels through the English Channel Tunnel. Eurostar trainsets can operate at maximum speeds of 3.00 × 10² km/h. Assume that the resistance between the train and the track is 115 × 10³ newtons. If air resistance adds an additional 25.5 × 10³ newtons, determine the horsepower needed to power the engine at maximum speed. [Note: Power = (force) × (velocity)]
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Variable-speed motors are commonly used to operate light loads such as ceiling fans and blower motors. 2. One type of variable-voltage control uses a triac to control the amount of voltage applied to the motor. 3. A light dimmer can be adapted for use as a motor speed controller. 4. Triac light dimmers are intended to be used with resistive loads such as incandescent lamps. 5. Series impedance control is accomplished by connecting a tapped inductor in parallel with the motor