The writer explains the boiling water by using ______.
A. myths
B. humor
C. facts
D. arguments
第1题:
A. humanity
B. humor
C. hurry
D. hunger
第2题:
When a vacuum boiling evaporator works, the hot jacket water will pass over the tube stack and ___ the sea water passing through the tubes.
A.dispose
B.dissolve
C.heat
D.dissipates
第3题:
She covered her face with her hands.
She hid behind the rocks.
She jumped into a water pool.
She pretended to be a rock.
第4题:
b c e a d
b a e c d
c d e a b
c b d e a
第5题:
alternate expansion and contraction as water in a liquid state becomes a vapor
absorption of smoke and gases as water is converted from a liquid to a vapor
rapid contraction as water is converted from a liquid to a vapor
rapid expansion as water absorbs heat and changes to steam
第6题:
a flash generator
a flash evaporator
a vacuum boiling evaporator
a boiler
第7题:
temperature
water level
pressure
rate of flow
第8题:
must; can
may; needn’t
can; must
need; may
第9题:
Chilled water system supply temperature
Chilled water system return temperature
Compressor discharge temperature
Compressor suction pressure
第10题:
foam
CO2
low velocity water fog
high velocity water fog
第11题:
carry off
carry down
carry on
carry over
第12题:
Distillation is the process of boiling seawater to produce vapor which is condensed into fresh water
Evaporation is the second part of the distillation process where brine is removed
Brine is the result of condensed sea water vapor
Distillate is the product resulting from the evaporation of fresh water vapor
第13题:
Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?
A.Corrosion and eventual failure of the tank
B.Gumming of the tank relief valves
C.Immediate failure of components downstream of the compressed air system
D.Boiling of the water oil mixture as pressure is reduced
第14题:
第15题:
第16题:
Sea water is heated to boiling temperature under a vacuum
Sea water is passed over heated plates in a thin film
Heated sea water is injected into a vacuum chamber
Sea water is forced through a heated eductor
第17题:
propeller hub
lignum vitae
shaft packing
labyrinth seal
第18题:
a brine pump
an air ejector
a feed pump
distillate pump
第19题:
Sea water is heated to boiling temperature while under a vacuum
Sea water is passed over heated plates in a thin film
Heated sea water is injected into a vacuum chamber
Sea water is forced through a heated eductor
第20题:
by dumping
to dump
for dumping
that dumped
第21题:
第22题:
a brine pump
an air ejector
a feed water pump
a condensate pump
第23题:
by dumping
to dump
for dumping
that dumped