更多"A fluid coil will （）large quantitie"的相关试题:
[单项选择]A fluid coil will （） large quantifies of heat when it changes state from a liquid to a vapor.
A. release
B. absorb
C. develop
D. regenerate
[单项选择]A refrigerant gives up heat when it goes through （）.
A. condenser
B. regurgitate
C. evaporator
D. boil coil
[单项选择]Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be （） to maintain ambient conditions within the comfort zone by air conditioning.
A. possible
B. necessary
C. practicable
D. impracticable
[单项选择]The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as （）.
A. chemical ignition
B. spontaneous combustion
C. chemical combustion
D. radiation ignition
[单项选择]The amount of heat released by steam when it changes to water at the same temperature is called（）.
A. latent heat of condensation
B. latent heat of vaporization
C. latent heat of saturation
D. sensible heat of condensation
[单项选择]When the（）is large, the ship is stiff; and when it is small, she is tender.
A. GM
B. free surface
C. longitudinal center of gravity
D. transverse center of gravity
[单项选择]When the heat load begins to increase, the needle valve of an expansion valve will（）
A. move in an opening direction
B. move in a closing direction
C. either open or close
D. not move at all
[单项选择]When subjected to high heat from a open flame, or an electric heating element, which of the listed refrigerants will break down and produce phosgene gas?（）
A. CO2
B. Methyl chloride
C. R-22
D. Sulphur dioxide
[单项选择]In most cases，when a large merchant vessel enters shallow water at high speed the（）.
A. maneuverability will increase
B. speed will increase
C. bow will squat farther than the stern
D. vessel will rise slightly，on a level plane
[单项选择]When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?（）
A. The diesel oil must never be allowed to mix with the heavy fuel
B. The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve
C. The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve
D. The heating steam must be secured before the diesel oil passes through the three-way valve
[单项选择]When there is a fire in a large electric motor, normally the very FIRST step is to （）
A. secure the electric supply
B. ventilate area to remove smoke
C. start the fire pump and lead out hose
D. apply foam
[单项选择]Escherichia coil是（）
A. 枯草芽孢杆菌
B. 大肠杆菌
C. 金黄色葡萄球菌
D. 放线菌
[单项选择]The sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
[单项选择]The coil of wire rotating in the magnetic field produces the（）.
A. voltage
B. current
C. power
D. frequency
[单项选择]The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（）
A. precipitate silica from solution
B. reduce corrosion in the heating coil
C. prevent clogging and erosion in the coil
D. maintain zero water hardness
[单项选择]In order to correctly open a new coil of manila line，you should（）.
A. pull the tagged end from the top of the coil
B. pull the tagged end through the eye of the coil
C. secure the outside end and unroll the coil
D. unreel the coil from a spool
[单项选择]Aboard ship, a grounded field coil in an AC motor can be determined by using a （）.
A. portable growler
B. galvanometer
C. visual inspection
D. megohmmeter
