The cleaned heated oil, after passing through the centrifuges, is to be pumped to a ().
A、settling tank
B、service tank
C、ballast tank
D、drain tank
A、settling tank
B、service tank
C、ballast tank
D、drain tank
A、reduce electrolytic action on heat exchanger metals B、keep heat transfer surfaces shiny and clean C、prevent rapid accumulation of marine growth D、provide a protective coating on heat exchanger surfaces
A、Heat is given off from a high temperature region known as a heat sink B、Heat transfer rate is affected most by the size of the heat sink involved C、Heat transfer rate is affected most by the temperature difference between the heat source and the heat sink D、Heat transfer by radiation will occur only by mass motion of a fluid substance
A、latent heat of expansion B、sensible heat of condensation C、heat of compression D、all of the above
A、Sailors use brown to clean the deck. B、Sailors use broom to clean the deck. C、Sailors use brush to clean the deck. D、Sailors use mop to clean the deck.
A、size of the heat sink B、temperature difference between the regions C、size of the heat source D、total heat of the system
A、Replace the print roller B、Reset to factory defaults C、Replace the wristband roll D、Clean the heating assembly
A、latent heat of vaporization B、sensible heat C、refrigerating effect D、specific heat of vaporization
A、remain constant along the tubes length B、be greatest in a single pass counter flow heat exchanger C、remain constant throughout the heat exchanger D、vary from section to section through out the heat exchanger