-
During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of （）
A . high fuel oil viscosity
B . low fuel oil temperature
C . high lube oil viscosity
D . energized glow plug
-
Open the （）before starting an air compressor.
A . unload valve
B . cooling water
C . oil cup
D . sum
-
Before using a fixed CO2 system to fight an engine room fire，you must（）.
A . secure the engine room ventilation
B . secure the machinery in the engine room
C . evacuate all engine room personnel
D . All of the above
-
In an operating diesel engine, which of the following condition is an indication of a leaking air starting valve?（）
A . noise coming from that air starting valve
B . continuous operation of the starting air compressor
C . zero air pressure in the air starting system
D . overheated starting air pipe to the cylinder head
-
An auxiliary diesel engine may fail to start due to（）
A . low exhaust back pressure
B . high lube oil temperature
C . insufficient cranking speed
D . excessive fuel atomizatio
-
An auxiliary reservoir for starting auxiliary engines should be kept at （）.
A . low pressure at all times
B . full pressure at all times
C . low pressure at intermittence
D . full pressure at intermittence
-
Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A . open the bypass line
B . cut in the lube oil cooler
C . pressurize the lube oil system
D . top off the expansion tank
-
When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）
A . suction stroke
B . compression stroke
C . power stroke
D . exhaust stroke
-
The minimum speed an engine must attain before ignition can occur depends upon （）.
A . the type and size of the engine
B . the condition of the engine
C . ambient temperature
D . all of the above
-
After the engine is warned, we should（） the turning gear before starting up the engine.
A . take in
B . put in
C . take out
D . put u
-
When an air started, four-stroke/cycle diesel engine is being cranked, the starting air is admitted to each cylinder during what would normally be the（）
A . intake stroke
B . compression stroke
C . power stroke
D . exhaust stroke
-
Be sure to make the engine turn by （） before starting and after stopping .
A . steering gear
B . turning gear
C . steering wheel
D . turning cycle
-
Before starting an air compressor, It should be （）.
A . unloaded
B . primed
C . filled with water
D . greased
-
The following preparations are essential for any （） of marine diesel engine before it may be started.
A . doing
B . make
C . turn
D . operating
-
About half an hour before the engine is required, cooling water at （） must be circulated.
A . more than the working temperature
B . less than the working temperature
C . the working temperature
D . the same as the surrounding temperature
-
Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an（）
A . increase in starting air pressure
B . increase in lube oil viscosity
C . compression expansion device
D . jacket water heater
-
Which of the following may cause that an engine doesnt run on starting air?（）
A . too low starting air pressure
B . main start valve closed
C . neither A nor B
D . A and B
-
Before starting the engine the air bottle should be （）.
A . pumped up
B . loaded
C . discharged
D . opened
-
The diesel engine must be started before it can run by it self For this purpose （） has to be used.
A . a starting system
B . the starting air
C . a starting operation
D . A, B and C
-
Before starting a diesel engine, you should always（）
A . check the pyrometer readings
B . check the crankcase oil level
C . check the fuel oil strainers
D . clean the fuel system
-
After an engine is started you should（）.
A . increase engine speed to insure adequate flow of oil to all parts of the engine
B . pay no attention unless there are unusual noises from the engine
C . check operating pressures and temperatures，and check for leaks
D . run the engine at idle until the temperature has increased
-
Before you start an engine in a compartment，it’s MOST important to（）.
A . check the flame arrester
B . check the fuel tank
C . check the battery
D . ventilate the bilge
-
Which of the following may cause that an engine doesnt turn on starting air?（）
A . too low starting air pressure
B . main starting valve closed
C . neither A nor B
D . A and B
-
Before he started work, I asked the builder to give me an ________ of the cost of repairing the roof.
A) assessment
B) estimate
C) announcement
D) evaluation
