List the methods of reclaiming condenser heat?
What will be an ideal response?
Desuperheating hot water heater or a heat reclaim condenser to use heat from refrigeration machines to heat the store.
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In this problem, water is used to cool saturated steam using the heat exchanger sketched in Fig. 4.24. Steam, with a mass flux of 4 kg/s, enters as a saturated vapor at 20 kPa and leaves as a saturated liquid. If the cooling water is allowed to experience a temperature rise of 40ºC, its mass flux should be nearest:
A) 77 kg/s B) 151 kg/s C) 202 kg/s D) 236 kg/s
To minimize distortion when cutting thin steel, _____.
a. avoid preheating the metal before starting the cut b. keep the cutting tip perpendicular to the metal's surface c. move as quickly as possible without losing the cut d. preheat the metal until it is near its melting point
When an organization encourages employees to organize ethnic networks, and a senior
mentor is provided to act as a group adviser. This is an example of
a. an organizational strategy to manage work force diversity. b. workplace democracy. c. an individual strategy to manage work force diversity. d. diversity training. e. none of these.
The No-Spin type of differential does this when it senses one wheel turning faster than the other:
a. it speeds up the faster wheel b. it locks both wheels together c. it speeds up the slower wheel d. it stops driving the faster wheel