Automotive service p2 wastewater management and handling spins
page 1 of 5
read and answer each question carefully.
1. you should never discharge wastewater into storm sewers because they flow directly into local surface waters.
a)
true
b)
false
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Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.

The maximum shear stress and maximum flexural stress occur at the same location along a beam subjected to a non-uniform bending load. a)-trune b)- false