In thermal storage systems, why is clear ice formation preferred over milky ice formation?
A) Clear ice is less dense than milky ice, reducing the weight the storage system must support
B) Milky ice contains impurities that change the freezing point of the water
C) Milky ice contains small pockets of air that act as small insulators, reducing the freezing efficiency
D) Clear ice allows visual inspection of the coil without removing the ice
C
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A 100-horsepower, three-phase squirrel-cage induction motor is connected to a 240-volt line. A dual-element time-delay fuse is to be used as the short-circuit protective device. What is the correct fuse rating?
A. 300 B. 350 C. 400 D. 450
It is accepted that too much heat caused by using your brakes too often can also cause
Which of the following is LEAST-Likely a component of a hand-held grease gun?
A. Spring-loaded piston B. Lubricating cartridge C. Nozzle D. Cylinder
Where is the fuel injected in an engine equipped with gasoline direct injection?
A) Above the intake port B) Directly into the combustion chamber C) In the exhaust port D) Into the intake manifold, near the intake valve