Shared Flashcard Set

Details

Weapons
Second Set
159
Mechanical Engineering
Undergraduate 3
04/09/2014
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Mechanical Engineering Flashcards

 

 

Cards

Term
What is the lifting capacity of the MJ-1B?
 Definition

3,000 1bs.

 
Term
What drives the rear wheels on the MJ-1?
 Definition
A hydrostatic drive system connected between the 25.2 horsepower diesel engine and a conventional differential gear.
Term
What type of engine is used in the MJ-1/B?
 Definition
25.2 - horsepower diesel engine.
Term
Name the three components of the hydrostatic drive system.
 Definition

-A fluid coupling between the engine and the differential;

-A variable displacement hydraulic pump connected to the engine;

-A fixed displacement hydraulic motor connected to the differential.

 
Term
How does the accelerator pedal change the speed of the MJ-1/B lift truck?
 Definition
By changing the stroke of the piston within the hydraulic pump.
Term
How is the cantilever lift arms operated on the MJ-1/B?
 Definition
By hydraulic cylinders operated by a control located at the drivers position or one located directly behind the cradle.
Term
What is the lift capacity of the MJ-1/B?
 Definition
10,000 1bs.
Term
What device ensures the lift boom cannot fall if a hydraulic line were to rupture?
 Definition
The hydraulic locking valve.
Term
What functions can the remote control unit control?
 Definition
Boom lift and azimuth; plus table controls for longitude, roll, tilt, yaw, and ram motions.
Term
How is the remote control attached to the lift truck?
 Definition
By a flexible electrical cord allowing full freedom around the vehicle.
Term
What is the MHU-83 series munitions handling/loading lift truck designed to do?
 Definition
Lift, transport, and load/unload munitions and stores weighing up to 7,000 lbs.
Term
Describe the engine of the MHU-83 series lift trucks.
 Definition
Air-cooled, 25.2 horsepower two cylinder diesel engine used to operate the lift truck and provide power for the hydraulic system.
Term
What is used to lift the front wheels off the ground to adjust the width of the side frames?
 Definition
The lift boom.
Term
Which variant of the MHU-83 incorporates features of the MJ-40 to increase its capabilities allowing it to support a wider variety of missions?
 Definition
The MHU-83 D/E.
Term
What is the purpose of the hand pump located on the right-hand side of the MHU-83?
 Definition
It is used to operate the hydraulic system should the engine quit during loading operations.
Term
Which lift truck/s use bomb rollers?
 Definition
All of them.
Term
What is the lift capacity of aluminum rollers when installed on the MJ-1?
 Definition
3,000 and 7,000 lbs respectively.
Term
What are load binders used for?
 Definition
To secure a single munition to the lift table or loading adapters of bomb lift trucks during transport, loading, or unloading.
Term
What are "Y" stands used for?
 Definition
To support munitions temporarily.
Term
What is a gantry stand used for?
 Definition
To support TER's when loading them and storing them for future use.
Term
What beams are used to transfer naval mines from their cases to the MHU-83 lift truck?
 Definition
MK 4 MODO, MK-55, and H1004.
Term
What is the lifting capacity of the sling assembly?
 Definition
4,600 lbs.
Term
What is the lifting capacity of the MHU-83 when fork adapter assemblies are installed?
 Definition
6,000 lbs.
Term
What is the maximun lifting height on the MHU-83 when the fork adapter assembly is installed and in the inverted position?
 Definition
107.5 inches
Term
What are suspension handling/loading adapters used for?
 Definition
Everything from facilitating storage, transporting, loading, and unloading aircraft suspension equipment.
Term
What is the 36 inch adapter used for?
 Definition
To load internal and external stores on the B-52.
Term
What lift truck(s) are used with the MRA?
 Definition
MJ-40 or MHU-83 D/E.
Term
From where do handling trailers get electrical power to illuminate their brake lights?
 Definition
The harness
Term
What accessory on the MHU-110 trailer may be installed on the main rail assembly to facilitate loading and unloading munitions?
 Definition
The four rail extenders assembly.
Term
What is the maximum weight supported by a pair of rail extenders?
 Definition
3,000 lbs.
Term

How many trolleys and chocks can be installed on the deck of the MHU-110 trailer and what is their purpose?

 

 Definition
24 trolleys and 48 chocks; their purpose is for round shaped stores.
Term
What is the purpose of the hinged deck sections found on the MHU-141/M and the MHU-226/M?
 Definition
It provides an opening access the full width of the trailer.
Term
What is the purpose of the breakaway cable?
 Definition
If the trailer becomes disengaged from the tow vehicle, the breakaway cable will pull a lever in the surge brake forward, applying the trailer brakes.
Term
What aircrafts were the powered lift trailers specifically designed to support?
 Definition
Bomber-type aircraft; specifically the B-52, B-1B, and B-2.
Term
Which of the powered lift trailers are approved for handling nuclear weapons?
 Definition
The MHU-204M and MHU-196/M.
Term
What is the lift capacity of the MHU-204/M and MHU-196/M lift trailers?
 Definition
40,000 lbs.
Term
Why is the frame width adjustable on the MHU-204/M and MHU-196/M lift trailers?
 Definition
For various load widths.
Term
What is the maximun lifting height of the MHU-196? The MHU-204?
 Definition

MHU-196 = 12Ft.

MHU-204 = 8Ft 4 in.
Term
What is the purpose of the jacks and X-Y pads on the MHU-204/M and MHU-196/M lift trailers?
 Definition
The jacks are used to lift the trailer and to adjust to variables in the terrain. An X-Y pad is attached to the base of each jack assembly. During loading, the jacks are deployed to place the X-Y pads on the ground. Hydraulic cylinders within each X-Y pad provide precise lateral (X) and longitudinal (Y) positioning corrections to the lift trailers amd load during lifting operations.
Term
How much air pressure must be maintained in the air tank before loading with the MHU- 204/M and MHU-196/M lift trailers?
 Definition

MHU-204/M = 105psi.

MHU-196/M = 90psi.
Term
State the two basic uses of an ALS.
 Definition
It transfers linkless ammunition into an aircraft gun system or gun pad, and it carries ammunition from the storage areas to the aircrafts loading sites.
Term
What is the drum capacity for LALS?
 Definition
2,100 rounds.
Term
What is the main difference between the UALS and the LALS?
 Definition
The linkless capability and the use of a tray assembly to hold the ammunition before loading.
Term
What provides power for the ALA during normal A-10 gun system loading and unloading?
 Definition
The aircrafts hydraulic system.
Term
What interfaces directly with the A-10 to load ammunition from storage containers into the 30mm gun system?
 Definition
The GFU-7/E ALA.
Term
State the uses of generator sets in flight-line situations.
 Definition
We use them to provide electrical power to aircraft systems during operational and functional checks; pneumatic power for air-conditioning units to cool avionics during "power on" electrical checks; and electrical power to other equipment such as lift trailers during flight-line loading and unloading.
Term
The -60 set provides what type of power?
 Definition
AC and DC electrical power and high-pressure pneumatic power.
Term
Where are the three instrument panels on the -60?
 Definition
On the left-hand forward side of the generator set.
Term
What electrical service provisions are made possible by the power outlet panel on the -60?
 Definition
It lets you supply electrical power to equipment other than the aircraft.
Term
What type of power is supplied by the -95?
 Definition
Bleed Air Power.
Term
How may the operator check the fluid level in the lubricating oil tank of the -95?
 Definition
Through the sight glass.
Term
What type of power is supplied by the A/M 32A-86?
 Definition
400 Hz, 3-phase power at 115/200 VAC or 230/400 VAC.
Term
What three panels will concern you in operating the -86 generator?
 Definition
The engine controls, the generator output controls, and the engine indicators necessary to operate and monitor the engines external AC panel.
Term
What panel has the indicators that monitor voltage output and current while the -86 is operating?
 Definition
The generator control panel.
Term
What aircraft are supported by the starter cart assembly?
 Definition
MQ-1 and MQ-9.
Term
Who may start and operate APU's?
 Definition
Only qualified and authorized personnel.
Term
When aren't APU operators required to stay in the immediate vicinity of the unit during munitions loading?
 Definition
During practice loading using training inert munitions.
Term
When may fighter aircraft be exempt from the 50-foot positioning requirements for APU's?
 Definition
During combat or simulated combat operation.
Term
Where do you not stand when operating a unit with a turbine engine?
 Definition
The engine's plane of rotation.
Term
State the everyday 2W1X1 uses of air compressors.
 Definition

1. Cycle gun systems and ammunition loaders during system maintenance & loading and unloading.

2. Power pneumatic tools.

3. Provide compressed air for cleaning and drying equipment components.

4. Recharge pneumatic systems and associated components on aircraft or equipment such as lift trailers.
Term
What is the air capacity of the MC-2A?
 Definition
15 cubic feet of free air per minute at 200 psi.
Term
What is the maximum compressed air pressure for cleaning?
 Definition
30 psi.
Term
What might happen if you use an air compressor with inadequate ventilation?
 Definition
Asphyxiation or even death.
Term
What must be used in conjunction with the FL-1D to provide power to the MQ-1 or the MQ-9 aircraft?
 Definition
DCs40-75 "Sorensen" power supply unit.
Term
What kind of engine is in the FL-1D floodlight?
 Definition
3-cylinder, naturally aspirated, water-cooled diesel engine.
Term
What is the required warm-up time of the FL-1D floodlight set?
 Definition
2-4 minutes.
Term
Why shouldn't you move the floodlights with the platform raised?
 Definition
It could damage equipment or injure personnel.
Term
How should the floodlights be positioned in relationship to an aircraft?
 Definition
They should be as far away from the aircraft as possible, while still providing adequate lighting.
Term
State the uses of air conditioners?
 Definition
To wash or clean air, to humidify or dehumidify the air, and to provide cool air for ventillating an aircrafts cockpit or electronic equipment compartments.
Term
On which aircraft are air conditioners currently used?
 Definition
The F-15, F-16, F-117, B-1, B-2, and B-52.
Term
What two types of air may be controlled from the instrument panel of the A/M 32C-10A?
 Definition
Conditioned and high-pressure air service.
Term
What are the positioning requirements for the portable air conditioner around aircraft?
 Definition
Position the unit between 15 and 30 feet from the aircraft being serviced to allow for optimum unit operating efficiency and safety.
Term
How many people are required for operating the air conditioner?
 Definition
2. One to monitor the air conditioner and another to operate the gas turbine compressor.
Term
What is the function of the polyalphaoleffin (PAO) heat exchanger?
 Definition
It transfers heat to outside air by radiating heat through heat exchanger coils and fins into the air passing over them.
Term
How many fluid temperature modes can the PAO cart operate in?
 Definition
2. Forward (FWD) loop mode and aft (AFT) loop mode.
Term
When the cart initially begins delivering PAO fluid to the aircraft, what is the initial fluid delivery pressure regulated to?
 Definition
120 pounds per square gauge (psig) at the aircraft interface.
Term
What is the temperature range for operating the PAO cart?
 Definition
-40F to +120 degrees fahrenheit.
Term
What must you do before making or breaking connections between the PAO cart and the aircraft?
 Definition
You must make sure that the system is depressurized.
Term
For what do 2W1s commonly use hydraulic test stands?
 Definition
For functional and operational checks on aircraft gun systems, weapons bay doors, and some weight-off-wheel checks.
Term
Which hydraulic test stand system, primary or secondary, is used during functional checks?
 Definition
Either one, they have the same capabilites.
Term
How are the hydraulic system hoses connected to the aircraft, and what precautions should you take in making connections?
 Definition
The hoses are connected with no hydraulic pressure applied to them. You must be extremely careful that hydraulic fluid does not get into your eyes.
Term
What powers the self generating nitrogen servicing cart (SGNSC)?
 Definition
A 49-hp diesel engine.
Term
Where is high-pressure nitrogen delivered by the system for storage?
 Definition
To the on-board high pressure cylinders.
Term
Why is it important to prevent nitrogen accumulation in an enclosed area?
 Definition
If the nitrogen is allowed to accumulate in an enclosed area, it can displace the oxygen in the air, making it possible for a person to suffocate without warning.
Term
What must be done prior to loosening fittings, or removing tubes or hoses?
 Definition
Always vent the pressure from that part of the system through the appropriate valve before attempting to do so.
Term
What are the basic uses of maintenance stands?
 Definition
They provide working platforms at variable heights.
Term
Describe the B-1 maintenance stand.[image]
 Definition
It is a hydraulically operated combination of stair structure and work platform. The platform height is easily adjusted (with a hydraulic hand pump) to any height between 3 and 10 feet.
Term

Describe the B-4 maintenance stand.

 

[image]

 Definition
It is a scissors-type, variable-height platform with a hydraulic actuator near the bottom of the platform that lets you vary the platform height from 3-7 feet.
Term

Describe the B-5 maintenance stand.

[image]

 Definition
It is a scissors-type, variable-height platform with a hydraulic actuating cylinder near the bottom of the platform so you can vary the height of the platform from 7 to 12 feet.
Term
For what use(s) was the split-deck maintenance platform designed?
 Definition
For chaff and flare loading and unloading on the B-1B.
Term
What type of inspections do 2W1s make on AGE?
 Definition
An operators inspection or pre-use inspection.
Term
Why do we inspect AGE?
 Definition
Because it is a TO requirement, and we must ensure the safety and serviceability of any piece of AGE we use.
Term
What percentage of the weight of most GP bombs is explosive charge?
 Definition
Between 35 and 55 percent of the total weight.
Term
What type of filler is in GP bombs?
 Definition
Explosive.
Term
What is the difference between blast bombs and penetration bombs?
 Definition
Blast bombs are designed for maximum blast effect, and they aren't suitable for target penetration because of their light cases..  Penetration bombs are designed for maximum penetration of reinforced concrete, armor plating, and other objects where maximum destruction is carried out by explosion within the target.
Term
What type of targets is a shaped charge bomb designed to attack?
 Definition
Heavily armored targets like tanks or ships.
Term
If kinetic energy penetrators contain no explosives, why must they still be handled carefully?
 Definition
Because many of their delivery systems do contain explosives or other hazardous components.
Term
How accurate are precision-guided GP bombs?
 Definition
They are accurate from one meter to 10 meters, depending on the type of guidance system.
Term
What bomb class usually causes smoke and a small flash upon impact?
 Definition
Practice bombs.
Term
What characteristics are common between nuclear bombs and high-drag GP bombs?
 Definition
They normally have parachutes and they may be loaded on the same aircraft and the same general types of bomb racks.
Term
Name the six components of a typical bomb.
 Definition
The bomb body, suspension lugs, fin assembly, arming wire assembly, fuzes, and adapter boosters.
Term
The bomb body of a general-purpose bomb is usually made of what type of material?
 Definition
Heavy cast-iron, about one-half inch thick.
Term
Fragmentation bomb bodies are made up of what type material?
 Definition
Spirally wound spring steel.
Term
What suspension lug spacing would a 2,000 pound bomb have?
 Definition
30 inches.
Term
What is the purpose of arming wires?
 Definition
They keep the fuzes from arming until the bomb is released from the aircraft.
Term
What do initiators provide?
 Definition
Electrical power and an interconnect cable to the nose and tail fuzes.
Term
What are sensors designed to do?
 Definition
Sense the proper altitude for the detonation of a weapon through the use of a radio frequency or doppler radio.
Term
What are boosters for?
 Definition
To adapt small-diameter fuzes to large-diameter nose and tail fuze-wells.
Term
How are bombs identified?
 Definition
By their model #, lot #, and/or serial #, and paint color/markings.
Term
Why is it important to keep track of serial numbers of munitions being flown on aircraft?
 Definition
So that the munitions items maintenance or service history can be tracked.
Term
What is the purpose of painting and marking bombs?
 Definition
To prevent corrosion, or rust; it also serves as a ready means of identification for all who work around them.
Term
What do the color bands painted on munitions identify?
 Definition
Empty and inert loaded ammunition items and components, and assignment of version numbers to training and dummy ammunition items.
Term
How is the MK 82 high-drag bomb's flight slowed?
 Definition
By an air-inflatable retarder.
Term
What GP bomb is used to make the BSU-49 AIR high-drag bomb?
 Definition
MK-82 bomb.
Term
What bomb was designed to augment and replace the MK 84, 2000 lb GP bomb?
 Definition
The BLU-109/B.
Term
With what GBU configuration(s) may the BLU-109/B be used?
 Definition
GBU-10/15/24/27.
Term
How many fuze wells are in the BLU-109/B?
 Definition
One, located in the tail.
Term
How much does the BLU-113A/B weigh?
 Definition
4,500 lbs.
Term
What components make up the modular guided bombs?
 Definition
Standard GP bomb bodies (warhead), target detecting devices, modular control units, and airfoil groups with a cruciform wing design.
Term
What is the prime advantage of laser guided munitions?
 Definition
Their high degree of accuracy.
Term
How close to its target can a GPS/INS guided munition be expected to strike?
 Definition
Within 10 meters of its target.
Term
What is the main drawback to the EGBU hybrid system using both laser guidance and GPS/INS systems?
 Definition
It's in its complexity.  Having both systems in a single package makes the weapon more expensive and more complicated to load and maintain than a weapon using either guidance system independently.
Term
What GP bomb is used as the warhead for a GBU-12?
 Definition
The MK-82.
Term
What two munitions may be used as the warhead for a GBU-15?
 Definition
Either a BLU-109 or MK-84 2,000 lb bomb.
Term
What is the purpose of the target-detecting devices on the GBU-15?
 Definition
They're used for target acquisition and lock on before or after launch from an aircraft.
Term
What warhead is used for the GBU-24A/B?
 Definition
The BLU-109/B.
Term
What is the purpose of the hardback assembly and lug sleeves supplied with the GBU-24A/B?
 Definition
They provide more distance between the bomb and bomb rack.
Term
What warhead is used for the GBU/EGBU-28?
 Definition
The BLU-109 to defeat hardened targets.
Term
What warheads are compatible with JDAM tail kits?
 Definition
MK-82, MK-83, MK-84, BLU-109, BLU-110, and BLU-117.
Term
What two components comprise a CBU?
 Definition
A dispenser and a quantity of small submunitions.
Term
After a CBU-87, -89, -97, -or -107 is released from an aircraft, how does the dispenser open?
 Definition
The fuze functions and three linear shaped charges are ignited, cutting the canister into three longitudinal sections removing the tail section.
Term
What forces the CBU-87/89/97/107 apart to release the the submunitions?
 Definition
The air stream.
Term
Against what type of target is the BLU-91/B submunition used?
 Definition
Tanks
Term
What type of mine is the BLU-92/B submunition?
 Definition
Anti-personnel.
Term
How many independent Skeet anti-tank submunitions are contained in the BLU-108/B unit?
 Definition
4.
Term
What is installed on a CBU-87 to convert it to a CBU-103?
 Definition
The Wind Corrected Munitions Dispenser (WCMD).
Term
What are the most commonly used full size practice bombs?
 Definition
The 500 lb MK 82 and BDU-50.
Term
What is the weight of the BDU-33 practice bomb?
 Definition
25 lbs.
Term
If the safety pin comes out while you're handling a BDU-33 practice bomb that has a MK 4 MOD three signal cartridge, what must you do?
 Definition
Notify your supervisor so the bomb can be returned to bomb dump for repair.
Term
What type of weapon delivery is used with the B61 weapon?
 Definition
Freefall or Retarded (high drag) delivery.
Term
Which practice bomb is used to simulate the B61?
 Definition
The BDU-38/B.
Term
What part of the B61 has the ready/safe switch?
 Definition
The preflight selection subassembly.
Term
What is the purpose of the exhaust ports on the B61?
 Definition
They make the bomb spin during freefall delivery.
Term
In what position should you find the B61 fin assembly?
 Definition
In the "X" position.
Term
What is the practice version of the B83?
 Definition
The BDU-46E.
Term
What is the purpose of the circular patterns on the nose of the B83?
 Definition
The nose crushes upon impact of the bomb and decreases the amount of skip or bounce the bomb with a normal nose would have.  This allows the bomb to stay closer to the actual target and increases its accuracy reliability.
Term
Where is time-to-arm (TA) and time-to-burst (TB) set on the B83?
 Definition
Behind the access door.
Term
Where is the spin rocket on the B83?
 Definition
Near the tape joint, where the forward and aft assemblies are connected.
Term
How many different fin configurations are used for the B83?
 Definition
Ten.
Term
What are the two methods of classifying bomb fuzes?
 Definition
Their position in the bomb and the method of arming.
Term
Name four types of fuze actions.
 Definition
Impact, time, proximity, and hydrostatic.
Term
Name the five built-insafety features used in most bomb fuzes.
 Definition
Seal wores, cotter pins, warning windows, safety blocks, and detonater safe.
Term
What is the meaning of detonator safe?
 Definition
The detonator must move into line with the striker or firing mechanism.
Term
What component provides firing delay times in the M904 fuze?
 Definition
The M9 delay element.
Term
What action begins the arming delay time of the M904 fuze?
 Definition
Rotation of the arming vane.
Term
When is the seal wire removed from the M904 fuze?
 Definition
After the arming wire has been inserted.
Term
What should be removed from the M904 fuze to allow SECOND TO ARM settings below 6 seconds?
 Definition
The stop setscrew.
Supporting users have an ad free experience!