第1题:
第2题:
第3题:
第4题:
第5题:
The Forwarders′Certificate of transport is issued by the carrier or his agent to the forwarder for taking delivery of the goods.
第6题:
Bottled water is much cleaner than tap water.
Students should have freedom of choice.
The bottles are made in a more environment-friendly way.
Water is healthier than some sodas and juices.
第7题:
the former
the first
the latter
the last
第8题:
owes
attributes
distributes
contributes
第9题:
latent heat of condensation
latent heat of vaporization
latent heat of saturation
sensible heat of condensation
第10题:
rise when the steam pressure is increased
remain constant as long as the feed pump operates
fall when the steam pressure is decreased
vary as the steam demand changes
第11题:
one salt water, one fresh water
one salt water, one fuel
one fresh water, one fuel
one steam, one fuel
第12题:
The diesel oil must never be allowed to mix with the heavy fuel
The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve
The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve
The heating steam must be secured before the diesel oil passes through the three-way valve
第13题:
第14题:
第15题:
第16题:
Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command: RESTORE CONTROLFILE FROM AUTOBACKUP; Which of the following statements is true?()
第17题:
Water transport is the() way of shipping bulk and low price goods.
第18题:
gives up large amount of heat
gives off large amount of heat
gives up large amount of steam
gives off large amount of steam
第19题:
heating
will
change into
or
第20题:
fire-tubes
furnaces
down-comers
soot-blowers
第21题:
ensure feed water flow into the boiler
keep the steam drum pressure high
prevent water hammer in the feed line
help the feed water flash to steam
第22题:
higher than the actual drum water level
equal to the actual drum water level
increasing due to steam condensation in the glass
lower than actual drum water level
第23题:
Ball float
Thermostatic
Bimetallic
Impulse