The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）
A . Cross
B . Parallel
C . Counter
D . Circular
相似题目
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If the temperature drops low enough, oil will not flow, （） just tell us the temperature.
A . Hash point
B . Viscosity
C . Pour point
D . Cetane number
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A cargo hold has been determined to have a relative humidity of 80% and a dry bulb temperature of 80 ℃ and a dry bulb temperature of 85℃.When the hold is sealed and the dry bulb temperature decreases, the relative humidity in the space will （）
A . decrease
B . increase
C . decrease to zero
D . remain unchanged
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If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）
A . a dirty lube oil strainer
B . internal water leaks
C . an oil suction line restriction
D . excessive wears of the cooling water pum
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Ambient temperature is the （）.
A . amount of temperature rise with no load
B . temperature of the compartment where the motor is located
C . normal operating temperature, less the room temperature
D . amount of temperature developed by an operating motor
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Choose the element that differentiates the Cisco SBCS solution from the competing Avaya IP Office and Nortel BCM 50 solutions.（）
A . SBCS providesPoE through a modular upgrade.
B . SBCS supports more analog trunks than the competitors.
C . Only SBCS provides bundled conference calling.
D . Only SBCS provides a wireless option.
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Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.
A . the more
B . the higher
C . the lower
D . the highest
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As the temperature of an air mass decreases，the（）.
A . absolute humidity decreases
B . relative humidity increases
C . specific humidity decreases
D . dew point rise
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The (auto)ignition temperature is that temperature atwhich（）.
A . no spark or flame is required to ignite gas or vapor
B . a fuel begins to give off explosive vapors
C . a fuel if ignited will continue to burn
D . a 1% mixture of the fuel with air will explode
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The temperature of a refrigerant gas is the highest （）.
A . at the compressor discharge
B . at the compressor suction
C . in the expansion valve
D . in the receiver
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The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between （）.
A . 8-10℃
B . 10-12℃
C . 10-15℃
D . 10-20℃
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What’s the strongest differentiator between 2U servers offered by IBM， HP， and Dell？（）
A . DIMM slots
B . hot swappable fans
C . hot swappable hard drives
D . none of the above
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An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is （）
A . holed
B . fouled
C . clean
D . dry
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As the temperature of the air reaches the dew point，（）.
A . rain must develop
B . fog may form
C . it begins to snow
D . water freeze
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If the compressor-discharge temperature is higher than the receiver temperature（）
A . increase the amount of cooling water to the condenser
B . decrease the amount of cooling water to the condenser
C . add more refrigerant to the system
D . remove some of the refrigerant from the system
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When the temperature of the refrigerant flowing out from the condenser is below the condensing temperature, it is said to be （）.
A . dry
B . wet
C . super-cooled
D . superheated
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What is the TCM differentiation of that typical case?
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. The temperature today is about 68 degrees. That's the temperature in ______________.
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The generic business-level strategies are cost leadership, differentiation, and mass marketing.（）
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（In) warm-blooded animals, their body temperature, regardless of the temperature of the an
(In) warm-blooded animals, their body temperature, regardless of the temperature of the animals' (surroundings), (are) maintained within narrow (limits).
A．In
B．surroundings
C．are
D．limits
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Temperature affects the viscosity of oil.（)
是
否
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In the adult male, which of the following is not part of the differential diagnosis of acute appendicitis？
A．Regional ileitis
B．Ureteric coli
C．Perforated peptic ulcer
D．Acute pancreatitis
E．Mesenteric cyst
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– What’s the temperature today –（) .
A.Nice and cool
B.The weather forecast says it’s fine
C.About 18 degrees
D. Sure, it’s sunny
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The best of the generic business strategies is the integrated cost leadership/differentiation strategy.（）
是
否
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The （） the temperature, the greater the retardation of food degradation
