Motor Engineering
Knowledge (MEO Class 4)
1.
What is stroke?
2.
RPM of Low, Medium and High
speed engines?
3.
Discuss Otto cycle,
Diesel cycle, Dual cycle and Actual cycle
4.
Timing diagram of 2-stroke
engine
5.
Timing diagram of 4-stroke
engine
6.
Difference between 2-stroke
and 4-stroke engine?
7.
Material of Piston,
Connecting Rod, etc.
8.
What is Cross flow, Loop flow
and Uniflow scavenging?
9.
What is over
speed trip and how it works?
10.
Types of IC engines
11.
What is stroke to bore ratio?
12.
What is mean effective
pressure?
13.
What is turbocharger?
14.
Why air is passes through the
air cooler?
15.
How you prepare Main engine
in 1 hour notice?
16.
What is the purpose of
cylinder relief valve?
17.
At what speed
air break for main engine can be given?
18.
Causes of water coming out
during blow through?
19.
Procedure to take over a
watch?
20.
What is dead man’s alarm?
21.
How to take the liner
calibration?
22.
How many types of fuel pumps
are used in marine diesel engines?
23.
What action you will do after De-carbonization of
an auxiliary engine?
24.
What will be your action on a
vibrating turbocharger?
25.
How to overhaul a fuel
injector?
26.
What are main engine safety
devices?
27.
How differential pressure
switch works?
28.
What is CPP?
29.
What is the difference
between SMC and ordinary engine?
30.
How will you decarbonise your
main engine?
31.
Why noises coming from
telescopic pipes?
32.
How oil mist detector works?
33.
How to remove crankshaft?
34.
How to take crankshaft
deflection?
35.
How will you take tappet
clearance?
36.
How will you check main, big
end, thrust and cross head bearing clearances?
37.
What are the normal
clearances obtained?
38.
What are the causes of sudden
over speed of main engine?
39.
What are the causes of engine
power loss?
40.
What are the causes of speed
fluctuation of engine?
41.
What are the causes of
reduced compression pressure?
42.
What are the causes of
knocking?
43.
What is
ignition delay and how to reduce it?
44.
What will you do for proper
atomisation?
45.
What is the difference
between clearance volume and swept volume?
46.
What is overlapping in fuel
timing?
47.
What is the material of
cooler tubes?
48.
What is stuffing box?
49.
What are the rotating
mechanism of exhaust valves?
50.
How is lube oil for cross
head is delivered?
51.
What is the difference
between stuffing box drain and scavenge drain oil?
52.
What is the role of thrust
bearing and location?
53.
Why fuel timing is important
and how the same is checked?
54.
How BHP is calculated with
indicator diagram?
55.
Why expansion tank is
provided in jacket water system?
56.
What is the difference
between auxiliary and main engine governor?
57.
What do you understand by
specific cylinder oil consumption?
58.
What inspection you carry out
after grounding of the vessel?
59.
What is supercharging?
60.
What is the difference
between RTA and RND engine?
61.
Describe rudder dismantling?
62.
Describe propeller dismantling?
63.
What are main engine
interlocks?
64.
What is crank case explosion
and how it occurs?
65.
Scavenge fire reasons
and remedy?
66.
Explain about exhaust gas
heat recovery system?
67.
Causes of starting air line
explosion?
68.
Why tappet clearance is
needed?
69.
Describe crankcase relief
valve?
70.
What is starting air
overlapping
71.
What are the difference
between naturally aspirated engine and supercharged engine?
72.
What are the functions
of turbocharger inducer, diffuser, diaphram and labyrinth seal?
73.
What is turbo charger
surging?
74.
Describe constant pressure
and pulse type turbo charger.
75.
What is the quantity of lube
oil in 4 stroke and 2 stroke engines?
General Engineering Knowledge (MEO Class 4)
1.
What is glide?
2.
Describe bunkering procedure?
3.
How the tail shaft sealing
arrangement is done?
4.
What are the measures you
will take if the gland packing leaks continuously?
5.
Why intermediate shaft is
given?
6.
How will you take out the
valves of air compressor?
7.
During dry dock what will you
check in seachest valves?
8.
What are the safeties of air compressor?
9.
What is Heleshaw pump?
10.
Define valves and cocks and
their functions
11.
Which valve is suitable for
remote controlled operation and why?
12.
What is rudder drop and
jumping clearance?
13.
Where and why bursting disc
is provided in an air compressor?
14.
What are reasons of lifting
up inter stages safety valves in an air compressor?
15.
How to test compressor safety
valve?
16.
How will you overhaul a globe
valve?
17.
What are the reasons for a
sticking gate valve?
18.
What is the theory of density
correction?
19.
How does quick closing valve
function?
20.
How do you specify pipe
sizes?
21.
How do you select correct
current setting for welding?
22.
What is the common size
between different schedules of pipes?
23.
Where telescopic feeler
gauges are used?
24.
What are the safeties of
cargo crane?
25.
What are the safeties
provided on engine room overhead crane?
26.
Where are wear rings used?
27.
What is hunting gear?
28.
Explain welding surface
preparation?
29.
Draw a lip seal and how it
works?
30.
Who will
you align a pump and its motor?
31.
Sketch exhaust bellow?
32.
What are the testings carried
out on steering gear during a drill?
33.
Mention fresh water generator
shell temperature, vacuum, and other parameters?
34.
What is the significance of
stern tube header tank?
35.
What are the advantages of
four ram steering gear?
36.
Describe checks on fresh
water generator during watch?
37.
What is the significance of
greasing steering gear?
MEO Class Exam Questions
1.
What is reverse osmosis?
2.
What is purifier and
clarifier?
3.
Discuss purifier operation?
4.
What are fuel oil testings
done on board ships?
5.
What on board tests are done
in lube oil?
6.
What is the correct procedure
to collect lube oil for testing?
7.
What is the temperature of
fuel oil entering and leaving purifier?
8.
What are the safeties of
fresh water generator, steering gear and oily water separator?
9.
Why purifier overflows?
10.
What is viscometer?
11.
What is the function of
air compressor unloader?
12.
What is the function of
expansion valve?
13.
How the unloader works in an
ac compressor?
14.
Why fridge compressor is belt
driven?
15.
How is the temperature of
cold rooms maintained?
16.
What is he difference between
air compressor and ac compressor?
17.
What is critical temperature
and pressure?
18.
What is latent heat?
19.
What is meant by short
cycling in fridge compressor?
20.
Different types of pumps and
where they are used?
21.
What is the discharge pattern of
reciprocating pumps and other pumps?
22.
What is jumping clearance?
23.
How many types of steering
gear are there?
24.
Describe arrangement of stern
tube?
25.
How stern tube cooling is
done?
26.
How to take crank
shaft deflection?
27.
Why the suction pressure of
refrigeration plant and ac plant are different?
28.
What is the function of
rudder carrier bearing?
29.
How many types of fresh water
generator are there?
30.
Why centrifugal pump has no
relief valve?
31.
Arrangements for relieving
shocks in the steering gear?
32.
What is bell mouth?
33.
What is interface of
purifier?
34.
What are swash plate pumps?
35.
Why is oil coming from the
water side of purifier?
36.
Explain the significance of
heat treatment in steels?
37.
Hosing down procedure for
engine room tank top?
38.
What are the precautions
before entering inside an air reservoir
General Engineering Knowledge
(MEO Class)
1.
Why certain back pressure is
maintained for purifier?
2.
What is the use of purifier
breaks?
3.
Explain the functions of
purifier centrifugal clutch?
4.
What are ALCAP purifiers?
5.
Explain the importance of
gravity disc in a purifier?
6.
How will you manage your air
compressor without automatic unloader?
7.
How will you confirm that air
compressor valves are not leaking after overhauling?
8.
Why oil film is coated on a
compressor air filter?
9.
Effect of air filter mesh
size in an air compressor?
10.
What is the working principle
of an air drier?
11.
Name five non metals used on
board ships?
12.
Routine checks on a fixed
foam fire fighting system?
13.
How many types of steels and
brief their carbon contents?
14.
What is the material of
safety valve?
15.
Define flash point, fire
point, viscosity?
16.
How many types of propeller?
17.
What will you do if emergency
alarm raise?
18.
What is the function of fire
detector?
19.
What is saturation
temperature?
20.
What is humidity?
21.
What is the material of cooler
tubes?
22.
What is specific gravity?
23.
What is vacuum?
24.
What is meant by critical
speed?
25.
What do you know about ‘M’
notices?
26.
What s the function of poker
gauge?
27.
What s the function of
lubricating oil?
28.
What is hydrostatic
lubrication?
29.
What is inerting, purging and
gas freeing in inert gas system?
30.
What are fire man’s outfit?
31.
What is cetane number and
calorific value of a fuel?
32.
How will you buy a boiler?
33.
What is the formula of stress
in longitudinal and circumferential joint?
34.
Describe boiler starting
procedure from cold?
35.
Why boiler water treatment is
required?
36.
How many types of marine
boilers are used on ships?
37.
What are the tests carried
out for a low pressure boiler water?
38.
What is your action on
finding high chloride levels in a boiler?
39.
What will you do if no water
level in the gauge glass?
40.
How would you blow down a
boiler gauge glass?
41.
What are boiler mountings?
42.
What will you check while
watch on a boiler?
43.
What is allowable chloride
content in boiler water?
44.
If the steam nozzle of the
gauge glass is chocked then how will you confirm water level?
45.
Why purge a boiler furnace?
46.
What is superheated steam?
47.
How many types of boiler
safety valve?
48.
Describe boiler survey
procedure?
49.
How to check alkalinity,
acidity, chloride content in boiler?
50.
Draw the lip clearance of safety
valve?
51.
What is the difference
between safety valve and relief valve?
52.
What is corrosion, erosion,
and abrasion?
53.
Comment on materials of
boiler construction?
54.
Why and how soot blowing is
done?
55.
Describe automatic combustion
system in a boiler?
56.
Why flame failure alarm comes
and what will be your action?
57.
When do you start the boiler
circulating water pump?
58.
How will you know that EGB is
leaking and how to arrest the leak?
59.
How boiler safety valve is
set?
60.
Show the calculation of
safety valve area?
61.
What do you know about
economiser?
62.
Describe setting of safety
valve?
63.
What is steam hammering?
64.
What is manometer?
65.
What is steam trap?
66.
How will you prevent uptake
fire?
67.
What is dry distillation?
68.
What action o be taken if oil
is found in the cascade tank?
69.
What colour flame indicates
efficient or poor combustion?
70.
What is Ogee ring?
71.
Where the boiler fusible
plugs are used?
72.
What are the densities of
boiler water and seawater?
73.
What is the diameter of
safety valve?
74.
What is the purpose of blow
down ring?
75.
Is there any arrangement for
boiler safety valve draining.
