Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid line If excess moisture is present in the system, the indicator will

A．activate the driers

B．change color

C．secure the compressor

D．add a predetermined amount of liquid drier

[单选题]Some operating systems prefer a wireline（12.1）over wireless because it is a

[单选题]Some operating systems prefer a wireline（12.1）over wireless because it is a

[单选题]Some cities have planned their transportation systems for car owners. That

[单选题]Some cities have planned their transportation systems for car owners. That

[单选题]Some cities have planned their transportation systems for car owners. That

[单选题]Some cities have planned their transportation systems for car owners. That

[单选题]Some cities have planned their transportation systems for car owners. That

[单选题]Some operating systems prefer a wireline （ ） over wireless because it is assumed to have more bandwidth and be more reliable, and some operating systems （ ） the user to define the preference order of the available interfaces.A．link B．chain C．connecti

[单选题]All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.A . angledB . roundedC . being angledD . being rounded

[单选题]Some animals have colored and spotted coats so that they may______.A． appear frightening to the enemiesB． look like leaves or branchesC． keep motionless when an enemy is comingD． mix with the surroundings for safety