On a domestic refrigerator that is equipped with an evaporator fan and a fresh food light, the door switch that would turn the light on and the fan off when the door is opened is called a ____.
A. single pole single throw switch
B. single pole double throw switch
C. double pole single throw switch
D. double throw double throw switch
Answer: B
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In a stick-built glass curtain wall system, the mullions may span floor to floor (called single-span mullion system) or between two floors (called twin-span mullion system). In the single -span mullion system, each mullion must be anchored to the building's structural frame with two supports, one at each end. What are these supports (anchors) called? Which of these two anchors (supports) is
designed to: (i) carry the gravity load of the curtain wall, (ii) accommodate movement in the curtain wall, and (iii) resist the lateral (wind and seismic) load on the curtain wall? What will be an ideal response?
Guinea pigs cannot synthesize vitamin C in their body
Indicate whether the statement is true or false
Audio and video recorders alike operate on the principle of storing electronic signals by producing variations in the strength of a magnetic field and storing these signals by ____ the red oxide particles deposited along the length of the tape.
a. reducing b. vibrating c. magnetizing d. collecting
A vehicle pulls to the left during braking. Technician A says that the metering valve may be defective. Technician B says that the proportioning valve may be defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician