How long does it take to cut a distance of 1 foot along a shaft that turns 150 revolutions per minute with a tool feed of 1/16 inch per revolution?
What will be an ideal response?
1 ÷ 1/6 = 16 revolutions16 revolutions ÷ 150 rpm = 8/75 minutes
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Refrigeration systems that use nothing more than a thermostatically controlled solenoid valve feeding a distribution system can use ____________________ or carbon dioxide as their refrigerant.
Fill in the blank(s) with the appropriate word(s).
Which of these is true regarding port fuel injection systems?
A) The intake manifold may be shaped and sized to best fit the engine performance requirements. B) Fuel distribution to all cylinders is equal. C) Fuel is injected almost directly into the combustion chamber. D) All of these are correct.
The chemical components of CFC refrigerants are:
A) Chlorine, fluorine, and carbon. B) Carbon, frankincense, and Clorox. C) Chlorine, Freon, and chromium. D) Carbon, Freon, and chlorine.
In the above figure, when the stop button is pressed, the N.O. CR contacts are ____________________ (open, closed) and the current through the armature _______________________________________ (flows through the resistor, is supplied through the motor control circuitry).
Fill in the blank(s) with the appropriate word(s).