Explain the difference between a "rigid" mount and a "resilient" rubber motor mount.
What will be an ideal response?
A motor that is "rigid-mounted" is connected directly to the frame of the equipment and will transmit noise and vibration. A "resilient" mount has a rubber ring that prevents the noise and vibration from transmitting.
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The type of bonding that is common in the packaging industry because it is often used on materials that will not stay bonded unless they are held together while cooling is ____. ?
A. ?electromagnetic bonding B. ?heat staking C. ?impulse bonding D. ?heated-tool bonding
Older R-12 refrigerants turns to deadly phosgene gas if allowed to contact an open flame or an extremely hot metal surface.
Answer the following statement true (T) or false (F)
To replace lost moisture in the air, a(n) ____ may be used.
A. induction fan B. exhaust fan C. humidifier D. dehumidifier
Solve the quadratic equation and round to 2 decimal places: x2- 0.75 = 0.25x
Fill in the blank(s) with the appropriate word(s).