CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will（）
A single piece（） fitted with bronze rings guides the piston in the cylinder liner.
In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）, there being an adequate overlap between the inlet opening and the exhaust closing.
（）uses one or two high pressure pumps for all the cylinders with one more standby, while（）have a separate high-pressure pump for each cylinder.
A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is （）
The air cylinder bottles in the survival craft should be refilled with（）.
The piston rings are manufactured with a diameter （） the bore of the cylinder.
The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）
The cylinder cover is not provided with （）.
The two-stroke cycle begins with the piston coming up from the BDC, with the scavenging ports in the sides of the cylinders being （）.
An efficient seal between the cylinder block and cylinder heads on many diesel engines is obtained with（）
The cylinder is fitted with internal liner so that a water space is left （） the liner and the outer wall.
At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.
（） in what position the engine stops there will always be at least one of the cylinders with its starting air valve open to admit compressed air to start the engine.
Forcing the exhaust gases form the cylinder of an operating diesel engine with the aid of a blower is known as （）
In today’s practice, with cylinders of equal diameter of bore and equal revolutions, the two-cycle engine delivers a power about 80 percent （） than that of the four-stroke one.
Charging is the filling of the engine cylinder with a supply of （） for compression.
Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?（）
Start the turning gear, and with some one hand-operating the cylinder lubricators at regular intervals, and with the indicator cocks （）, and with the control gear in the （）position, give the engine at least one complete turn.
With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to （） of the engine.
Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinderIf the cooling water temperature from all cylinders begins to rise above normal, you should suspect （）
Charging is the filling of the engine cylinder with a supply or charge of fresh air （） compression.
The scavenge port inspection should be carried out_____, to obtain the most reliable result with regard to the effectiveness and sufficiency of the cylinder lubrication and the combustion cycle (complete or incomplete).
