轮机英语船舶动力装置单项选择题每日一练(2019.01.23)

单项选择题
A level gauge for a tank is to （）.
A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level
单项选择题
Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.
A.read/sufficient
B.consult/sufficiently
C.read/sufficiently
D.consult/sufficient
单项选择题
It is necessary to remove （） from the cooling spaces.
A.scar
B.scale
C.spur
D.bilge
单项选择题
The pressurized air is usually cooled to increase the charge air （）.
A.viscosity
B.density
C.velocity
D.electricity
单项选择题
The plunger may be rotated in the barrel by a rack and （） on a sleeve which is keyed to the plunger.
A.pinion arrangement
B.push rod
C.handle bar
D.cam device