CDC 2w051b, Volume 2 Ure Questions

100 Questions | By Bamfking | Updated: Mar 14, 2022 | Attempts: 304

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I. Y. A. A. Y. A. S, 2W051B Study UREs. Work hard. Be what your people need you to be.

Questions and Answers

1.

What is a requirement for military explosives?
- A.
  
  The raw materials must be cheap
- B.
  
  The raw materials must be nonhygroscopic
- C.
  
  The raw materials must be common to America
- D.
  
  The raw materials must be vital to the war effort
2.

The rate of transformation for high explosives is between
- A.
  
  3,200 and 25,000 feet per second
- B.
  
  3,200 and 28,000 feet per second
- C.
  
  3,200 and 31,000 feet per second
- D.
  
  3,200 and 32,000 feet per second
3.

The tendancy of a substance to burn with a rapid and sparkling combustion is called
- A.
  
  Detonation
- B.
  
  Disposition
- C.
  
  Deflagration
- D.
  
  Decomposition
4.

What is the final effect of deflagration under confinement?
- A.
  
  Burning
- B.
  
  Detonation
- C.
  
  Volatilization
- D.
  
  Explosive reactivity
5.

What does a booster do?
- A.
  
  Detonates the fuze
- B.
  
  Deonates the main charge
- C.
  
  Transmits energy from one detonating component to the next
- D.
  
  Controls the delay in the functioning of fuze explosive train
6.

How can you achieve an airburst with a general-purpose bomb?
- A.
  
  Use a nondelay delay
- B.
  
  Use a time action HE train
- C.
  
  With a delay action HE train
- D.
  
  With a superquick action HE train
7.

What are the basic components of an explosive train?
- A.
  
  Fuze, detonator, booster, and bursting charge
- B.
  
  Detonator, booster and a bursting charge
- C.
  
  Fuze, booster, and a bursting charge
- D.
  
  Detonator and a bursting charge
8.

In the explosive train, where can you find the delay?
- A.
  
  Behind the detonator
- B.
  
  Ahead of the detonator
- C.
  
  Behind the burster charge
- D.
  
  Ahead of the burster charge
9.

What effect does more damage then the framentation effect of a specific bomb?
- A.
  
  Detonation
- B.
  
  Penetration
- C.
  
  Heat
- D.
  
  Blast
10.

How can you increase the penetration effect of a shaped charge?
- A.
  
  Decrease the standoff distance
- B.
  
  Increase the standoff distance
- C.
  
  Decrease the explosive charge
- D.
  
  Increase the explosive charge
11.

For what do we use a shaped charge?
- A.
  
  To produce an explosive penetration of a solid object
- B.
  
  Ignite rocket motors equipped with electric squibs
- C.
  
  No practical application in the munitions field
- D.
  
  Bring down walls and collapse roofs
12.

The penetrating action fo a shaped charge is the result of the
- A.
  
  Size of the burster charge
- B.
  
  Type and amount of charge
- C.
  
  Density and thickness of the target
- D.
  
  Shock wave and a jet of dense gas
13.

Besides thier purpose, what else do we use to classify rockets?
- A.
  
  Warhead size
- B.
  
  Warhead filler
- C.
  
  Warhead color
- D.
  
  Warhead shape
14.

How do we identify practice warheads?
- A.
  
  By the bronze body and white markings
- B.
  
  By a light blue body and white markings
- C.
  
  By the olive-drab body and white markings
- D.
  
  By a light green background with light red letters and yellow band.
15.

Where do you stand while loading a rocket into a launcher?
- A.
  
  The rear of the launcher
- B.
  
  The front of the launcher
- C.
  
  Either side of the launcher
- D.
  
  Either the front or rear of the launcher
16.

What is the hazard associated with a flechette warhead?
- A.
  
  Framentation
- B.
  
  Smoke
- C.
  
  Blast
- D.
  
  Fire
17.

The main types of fuze action are impact, time and
- A.
  
  Electrical
- B.
  
  Hydraulic
- C.
  
  Proximity
- D.
  
  Inertia
18.

Where is a proximity fuze placed on the bomb?
- A.
  
  Nose only
- B.
  
  Tail only
- C.
  
  Nose or tail
- D.
  
  Between the lugs
19.

When is a bomb fuze considered to be armed?
- A.
  
  Imediately after the bomb is released from the aircraft
- B.
  
  When the next normal event will initiate the battery-firing device
- C.
  
  When the next normal event will initiate a functioning of the fuze
- D.
  
  When the fuze is installed into the fuze well of the bomb and the safety pins are pulled
20.

In an electronically timed fuze, what replaces the arming vanes used in mechanically timed fuzes?
- A.
  
  Battery-firing device
- B.
  
  Arming lanyard assembly
- C.
  
  Electric charging assembly
- D.
  
  Electronically timed sensor
21.

The design of which safety feature is to prevent movement of the arming heads, arming stems and strikers while the fuze is being handled?
- A.
  
  Seal wires
- B.
  
  Cotter pins
- C.
  
  Safety blocks
- D.
  
  The "detonator safe" feature
22.

How do you set the firing delay times in an M904 mechanically timed nose fuze?
- A.
  
  Change the delay element
- B.
  
  By rotating the timing lock
- C.
  
  By adjusting the calibrated dial
- D.
  
  The firing delay time is fixed and cannot be changed
23.

The FMU-54-series fuzes are used in
- A.
  
  Laser-guided bomb series only
- B.
  
  BLU-109/B-series guided bombs
- C.
  
  MK80 and M series with conical fins only
- D.
  
  Retarder equipped general-purpose bombs
24.

With electrical fuzes, what is used in place of arming wire?
- A.
  
  Nothing
- B.
  
  Bungee cord
- C.
  
  Battery-firing device
- D.
  
  Target-detecting device
25.

Which sensor is a radio-frequency radar ranging system used with the SUU-64/B and the SUU-65/B dispensers?
- A.
  
  FZU-39/B
- B.
  
  FMU-56/B
- C.
  
  FMU-214/B
- D.
  
  FMU-110/B