A . pressed;to
B . pressurized;with
C . pushed;in
D . compressed;to
[单选题]In a () engine the charge of air in the cylinder before compression commences is above atmospheric pressure.A . pressure chargedB . naturally aspiratedC . contaminatedD . high speed diesel
[单选题]The fresh air coming in through the inner air ports, is compressed by() to a higher pressure.A . the cylinder headB . the cross-headC . the moving pistonD . the stationary pisto
[问答题]Open the window and let the fresh air in.
[问答题]Open the window and let the fresh air in.
In fact fresh air is very ( ) to our health.Infactfreshairisvery()toourhealth.A.
trees have been planted near here,so the air is very fresh.( )A. Two hundredsB.
[单选题]The officer in charge of the engineering watch shall notify the chief engineer without delay ____.A.in any emergency or if in any doubt as to what decision or measures to takeB.in the event of any impending action in machinery spaces that may cause r
[单选题]The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the __ of operation when notified that the ship is in congested waters.A.manual modeB.automatic mode
[单选题]Compressed air is supplied by air compression to ().A . the air receiversB . the starting valvesC . the cylinder coversD . the distributor
[单选题]Will we connect the motor with the fresh water pump? No, the pump is ( )_A.in good orderB.out of orderC.works well