更多"Which of the following best describ"的相关试题:
[单项选择]Which of the following best describes “overcharge of refrigerant”?（）
A. Too much refrigerant
B. Too little refrigerant
C. Refrigerant is ran out
D. Running is over
[多项选择]Which of the following describes the roles of devices in a WAN？（）
A. A CSU/DSU terminates a digital local loop
B. A modem terminates a digital local loop
C. A CSU/DSU terminates an analog local loop
D. A modem terminates an analog local loop
E. A router is commonly considered a DTE device
F. A router is commonly considered a DCE device
[单项选择]Which of the following statements describes one of the functions of the ballast system?（）
A. To permit flooding of any fuel oil storage tank on any class of ship
B. To use it as a secondary service system
C. To store reserve feed or potable water for extended cruises
D. To stabilize the ship by flooding certain designed tanks with seawater
[单项选择]Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）
A. Maintains a constant head on the system
B. Reduces the likelihood of air or steam pockets formation
C. Provides a low pressure point for the addition of makeup cooling water
D. All of the above
[单项选择]Which of the following statements describes the relationship between viscosity and specific gravity?（）
A. Liquids with different viscosities will always have the same specific gravity
B. Liquids with different viscosities will never have the same specific gravity
C. Viscosity and specific gravity are directly proportional
D. Viscosity and specific gravity are not related in that one does not define or limit the other
[单项选择]What best describes the structure from which Stratford Point Light is shown?（）
A. Brown conical tower with white horizontal band in center of light on black pier
B. Red conical tower on brown cylindrical pier
C. White octagonal house on brown cylindrical pier
D. White conical tower，with brown band midway of height
[单项选择]Which of the following terms would best describe the temperature at which a liquid boils at a given pressure?（）
A. Degree of saturation
B. Saturation temperature
C. Superheated temperature
D. Degree of superheat
[单项选择]Which of the following descriptions best identifies the operating principal of a flash-type evaporator?（）
A. Sea water is heated to boiling temperature while under a vacuum
B. Sea water is passed over heated plates in a thin film
C. Heated sea water is injected into a vacuum chamber
D. Sea water is forced through a heated eductor
[单项选择]Which one of the following statements best explains the split horizon rule?（）
A. Only routers can split boundaries (horizons) between networks in separate AS numbers.
B. Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.
C. Once a route is received on an interface, advertise that route as unreachable back out the same interface.
D. Information about a route should never be sent back in the direction from which the original update came.
