Primers and their composition is the 13th topic in section 1 of the Introduction of Forensic Firearm and Ammunition from our systematically designed Forensic Ballistics MCQs Series.
Attention Users: For systematic learning, please prefer to check the index page of the MCQs in Forensic Ballistics.
Multiple Choice Question (MCQ) on Composition of Primer with Answers & Explanations
1. When was the US Krag cartridge primer first manufactured?
- 1878
- 1898
- 1899
- 1900
Answer & Explanation
Answer: (2) 1898
Explanation:
US Krag cartridge primer was first manufactured in 1898.
2. Which of the following is NOT present in the composition of US Krag Cartridge primer?
- Antimony Sulfide
- Potassium chlorate
- Glass powder
- Mercury fulminate
Answer & Explanation
Answer: (4) Mercury fulminate
Explanation: Composition of US Krag cartridge primer:
-> Potassium chlorate
-> Antimony sulfide
-> Glass powder
3. Which of the components NOT present in the US Frankford Arsenal, 1910?
- Mercury fulminate
- Potassium chlorate
- Antimony sulfide
- Sulfur
Answer & Explanation
Answer: (1) Mercury fulminate
Explanation: Composition of US Frankford Arsenal (1910):
-> Potassium chlorate
-> Antimony sulfide
-> Sulfur
4. Swiss military primer was first manufactured in________.
- 1901
- 1911
- 1921
- 1922
Answer & Explanation
Answer: (2) 1911
Explanation:
-> Swiss military primer was first manufactured in 1911.
-> Composition of Swiss military primer is Mercury fulminate, Barium nitrate, Antimony sulfide, and Barium carbonate.
5. Which of the following is NOT a fuel component of primer?
- Potassium nitrate
- Antimony sulphide
- Amorphous boron
- Copper silicide
Answer & Explanation
Answer: (1) Potassium nitrate
Explanation:
-> Potassium nitrate is an oxidizer
6. Which is the correct composition of the British 0.455 military revolver?
- Lead styphnate, Barium nitrate, Antimony sulfide, Calcium silicide and Tetrazine
- Red phosphorous, Barium nitrate, and Aluminium hydroxide
- Mercury fulminate, Sulfur, Potassium chlorate, Antimony sulfide, and Mealed black powder
- Mercury fulminate, Antimony sulfide, Barium peroxide, and TNT
Answer & Explanation
Answer: (3) Mercury fulminate, Sulfur, Potassium chlorate, Antimony sulfide, and Mealed black powder
Explanation:
No explanation is needed.
7. Which is the correct composition of the American P-4 primer?
- Lead styphnate, Barium nitrate, Antimony sulfide, Calcium silicide and Tetrazine
- Red phosphorous, Barium nitrate, and Aluminium hydroxide
- Mercury fulminate, Sulfur, Potassium chlorate, Antimony sulfide, and Mealed black powder
- Mercury fulminate, Antimony sulfide, Barium peroxide, and TNT
Answer & Explanation
Answer: (2) Red phosphorous, Barium nitrate, and Aluminum hydroxide
Explanation:
No explanation is needed.
8. Geco sintox primer was first made in _______.
- 1980
- 1981
- 1982
- 1983
Answer & Explanation
Answer: (4) 1983
Explanation:
No explanation is needed.
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Table For Various Composition of Primer
Primer | Primer Composition |
US Krag cartridge (1898) | ● Potassium chlorate ● Antimony sulfide ● Glass powder |
German RWS (1901) | ● Mercury fulminate ● Barium nitrate ● Antimony sulfide ● Picric acid |
US Frankford Arsenal Primer (1910) | ● Potassium chlorate ● Antimony sulfide ● Sulfur |
German RWS (1910) | ● Mercury fulminate ● Antimony sulfide ● Barium peroxide ● TNT (trinitrotoluene) |
Swiss military primer (1911) | ● Mercury fulminate ● Barium nitrate ● Antimony sulfide ● Barium carbonate |
US Winchester primer (1917) | ● Potassium chlorate ● Antimony sulfide ● Lead thiocyanate ● TNT |
US commercial primers (1927) | ● Mercury fulminate ● Barium nitrate ● Lead thiocyanate |
German RWS sinoxid Primer (1928) | ● Lead styphenate ● Barium nitrate ● Antimony sulfide ● Calcium cilicide ● Tetrazine |
Herz/ Rathburgnon mercuric primer (1930) | ● Nitro-amino-guanyl-tetrazine ● Lead styphnate ● Barium nitrate ● Antimony sulfide/calcium sulfide |
American P-4 primer (1940) | ● Red phosphorous ● Barium nitrate ● Aluminum hydroxide |
British 0.455 military Revolver (1943) | ● Mercury fulminate ● Sulfur ● Potassium chlorate ● Antimony sulfide ● Mealed black powder |
Stabenate primer (1962) | ● Lead nitroaminotetrazole ● Lead styphenate ● Barium nitrate ● Antimony sulfide ● Aluminium dust ● Tetrazine |
Geco sintox primer (1983) | ● Zinc and titanium-based priming without lead |
CCI Blazer, Speer (1994-95) | ● Strontium-based priming without lead |