Describe skeleton lighting.
What will be an ideal response?
Skeleton lighting is neon tubing that is not mounted in a support structure or enclosure.
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1. What is a heat exchanger that is used to supply the heat necessary to drive a distillation column?
A. Reboiler B. Preheater C. Interchanger D. Condenser
Why should humidifiers be cleaned on a regular basis?
What will be an ideal response?
The refrigerant is circulated through the system by a _________________
A) Condenser B) Evaporator C) Compressor D) Thermal expansion valve or orifice tube
Find the impulse responses of the systems described by these equations.
(a) y[n] = x[n] ? x[n ? 1] (b) 25y[n] + 6y[n ? 1] + y [n ? 2] = x[n] (c) 4y[n] ? 5y[n ? 1] + y [n ? 2] = x[n] (d) 2y[n] + 6y [n ? 2] = x[n] ? x [n ? 2]