AD - Aviation Machinist Mate Questions With Revised Correct Detailed Answers |ALREADY GRADED A+ PASS >> BRAND NEW VERSION!
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Course
Aviation Machinist Mate
Institution
Aviation Machinist Mate
AD - Aviation Machinist Mate
Questions With Revised
Correct Detailed Answers
|ALREADY GRADED A+ PASS
>> BRAND NEW VERSION!
1) What NSTM deals with propulsion and SSTG Turbines? - ANSWER
NSTM 231
2) What maintains axial position of propulsion turbine rotor? -
ANS...
AD - Aviation Machinist Mate
Questions With Revised
Correct Detailed Answers
|ALREADY GRADED A+ PASS
>> BRAND NEW VERSION!
1) What NSTM deals with propulsion and SSTG Turbines? - ANSWER
NSTM 231
2) What maintains axial position of propulsion turbine rotor? -
ANSWER Thrust bearing
3) What maintains radial position of propulsion turbine rotor? -
ANSWER Journal bearings
4) How is tuning identified in the navy - ANSWER By outside
diameter and actual measured wall thickness
5) What is the composition of copper nickel alloy tubing used on
surface ships ? - ANSWER 90% copper 10% nickel
,6) A propellor that vibrates at a natural frequency is characterized by
what term? - ANSWER Singing
7) What is the NSTM for bearings? - ANSWER 244
8) Max water temp used for boiler hydrostatic testing? - ANSWER
120
9) What systems use carbon rings? - ANSWER Low pressure low
temp
10) What is the major advantage of using a helical gear pump? -
ANSWER Smoother discharge and increased capacity
11) When viewing flow of refrigerant through sight flow
indicator, you notice vapor bubbles, what is the problem? -
ANSWER Inadequate supply of refrigerant
12) How long is a sample bottle of oil inverted during clear and
bright observations? - ANSWER 1 min
13) When closed, automatic shutter on FOB should leak no
more than what of blowers rated air flow? - ANSWER 2%
, 14) What are two types of conveyors commonly used aboard
ship? - ANSWER Gravity and powered
15) What type of viscometer is commonly used to determine
fuel oil and fuel viscosity? - ANSWER Say bolt viscometer
16) When testing compressor discharge valves for proper
operation, compressor is pumped down to what pressure? -
ANSWER 2psi
17) What reciprocating pump does not use shifter valves? -
ANSWER Emergency feed pump
18) All safety valves installed onboard naval vessels have
blowdown range of what? - ANSWER 3-6%
19) Max final distillate salinity indicator reading? - ANSWER
.065
20) Most common type of reciprocating pump in the navy? -
ANSWER Direct acting double action
At what frequency are visual samples taken down during refueling ops?
- ANSWER Every 15mins
, Steam jacketed kettles operate at what max? - ANSWER 45 psig
can be reduced to 35
Refrigerators for use in storing food and medical supplies are set at
what temp? - ANSWER 40
What is a single stage impulse turbine usually called? - ANSWER
Rateau
The drum shaft on an electro hydraulic winch is normally driven by
what? - ANSWER Hydraulic motor
Speed limiting governor on turbine driven force draft blower operate
at? - ANSWER 5-7% faster than speed required for rated blower
capacity
How is turbine speed maintained during jammed throttle casualty? -
ANSWER By using affected turbine guarding valve
What method of measurement is used to determine radial seal wear? -
ANSWER Crown thickness method
Idle force draft blower - ANSWER Must be locked shut
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