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?（）
1、The temperature of the refrigerant in
The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.Arefrigerant pressure in the evaporatorBcooling water temperature to the condenserCheat load in the refrigerator compartmentDsolenoid valve in the liquid line
2、The pressure differential across a die
The pressure differential across a diesel engine lube oil system duplex filter should be checked to ________.Adetermine the need for filter cleaningBmeasure any change in oil viscosityCprevent damage to the filterDdetermine the need for batch filtration
3、Ambient temperature is the （）.
Ambient temperature is the （）.Aamount of temperature rise with no loadBtemperature of the compartment where the motor is locatedCnormal operating temperature, less the room temperatureDamount of temperature developed by an operating motor
4、An increased differential between the
An increased differential between the inlet and outlet of a strainer usually indicates the strainer is （）AholedBfouledCcleanDdry
5、The car will be guided by a differenti
The car will be guided by a differential GPS system that corrects errors（）in global positioning satellite signals.AarisingBriseCraiseDarouse
6、Choose the element that differentiates
Choose the element that differentiates the Cisco SBCS solution from the competing Avaya IP Office and Nortel BCM 50 solutions.（）A SBCS provide...