Automatic fire dampers in ventilation systems are operated by use of a ____________.
A
remote operated valve
B
C02 system pressure switch
C
fusible link
D
heat or smoke detector
E
İlgili Sorular
Which action should be taken FIRST if your tow is sinking in shallow water?A V-shaped ripple with the point of the V pointing upstream in a river may indicate a __________.What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge?You must construct a Mercator plotting sheet on a piece of paper measuring 30" by 36". The area inc...How should the letter "V" be pronounced when spoken on the radiotelephone?