46
Question 46
What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?
AOptions
A
A) These are alternatives to hydro-fluorocarbon refrigerants
B
B) These are explosives in military weapons
C
C) These are high-energy fuels for cruise missiles
D
D) These are fuels for rocket propulsion
BSolution
The common characteristic of CL-20, HMX, and LLM-105 is that they are high-energy explosives often used in military applications.
* HMX (High Melting eXplosive or Her Majesty's eXplosive): One of the most powerful and stable chemical explosives, widely used in military applications, including plastic explosives and as a component in solid rocket propellants and detonators.
* CL-20 (Hexanitrohexaazaisowurtzitane): An incredibly powerful nitramine explosive, significantly more energetic than HMX. It's often referred to as a 'super-explosive' and is under research for advanced military applications.
* LLM-105 (2,6-Diamino-3,5-dinitropyrazine-1-oxide): A relatively new, insensitive high explosive (IHE) developed to be safer to handle while maintaining high performance. It's designed to reduce the risk of accidental detonation.
All three are classified as high explosives, used in various military contexts, including warheads, detonators, and in certain types of propellants, but their primary classification is explosives. Options A, C, and D are incorrect classifications. While HMX is used in solid rocket propellants (a type of fuel for rocket propulsion), the primary classification and common characteristic across all three as a group is their explosive nature.
* HMX (High Melting eXplosive or Her Majesty's eXplosive): One of the most powerful and stable chemical explosives, widely used in military applications, including plastic explosives and as a component in solid rocket propellants and detonators.
* CL-20 (Hexanitrohexaazaisowurtzitane): An incredibly powerful nitramine explosive, significantly more energetic than HMX. It's often referred to as a 'super-explosive' and is under research for advanced military applications.
* LLM-105 (2,6-Diamino-3,5-dinitropyrazine-1-oxide): A relatively new, insensitive high explosive (IHE) developed to be safer to handle while maintaining high performance. It's designed to reduce the risk of accidental detonation.
All three are classified as high explosives, used in various military contexts, including warheads, detonators, and in certain types of propellants, but their primary classification is explosives. Options A, C, and D are incorrect classifications. While HMX is used in solid rocket propellants (a type of fuel for rocket propulsion), the primary classification and common characteristic across all three as a group is their explosive nature.
CStrategy
For chemical substance names that appear in current affairs, especially with technical or military context, look for their primary function. Terms like 'high-energy' often hint at explosives or advanced fuels. Differentiate between explosives (rapid energy release) and fuels (controlled combustion).
DSyllabus Analysis
Science & Technology: Defense Technology (Explosives, Materials Science). Current Affairs: Defense Research.
EQuestion Analysis
This is a factual question from Science & Technology/Current Affairs. It requires specific knowledge of advanced chemical compounds primarily used in defense. The terms are technical and may only be familiar if one follows defense technology news. Medium to Hard difficulty.