Passage Based Questions[Forensic Science]

Read the passage carefully & answer the following questions (Q1-Q5):-

In a case of theft of telegraph wires, the telegraph department lodged a complaint. They also produced 15 cut ends from poles where the wire was cut. During investigation, the police were lead to a distant village hut where a huge dump of stolen copper wire was located. The suspect was apprehended along with his accomplices. Two pliers were recovered from their possession. Few ends from the wires were cut & sent to the lab, along with 2 pliers & 15 cut ends, produced by the telegraph department. On examination, it was possible to establish link of both the pliers with the ends collected by the police. Whereas, the 15 cut ends, showed match with one of the two pliers. On the basis of the laboratory findings the accused was convicted.

Q1.Which of the following does conform to to the definition of telegraph cooper wires of telegraph act?

1. not less than 2.03 and not more than 2.37
2. not less than 2.77 and not more than 2.87
3. not less than 2.77 and not more than 3.87
4. not less than 2.77 and not more than 2.97

Answer-2

Explanation

TELEGRAPH WIRE (Unlawful possession) ACT, 1950

Section 2(b)

Telegraph wire means any copper wire the diameter of which in millimetres, is--

(i) not less than 2.43 and not more than 2.53; or

(ii) not less than 2.77 and not more than 2.87; or

(iii) not less than 3.42 and not more than 3.52

Q2. Generally pure copper wire is used in communication lines by telegraph department due to its-

1. Highly brittle nature
2. Non thermal resistant
3. Highly expensive
4. Highly conductive nature

Answer-4

Explanation

Copper has high electrical conductivity, inexpensive, ductile & thermal resistant.

Q3. Which among the following information can be determined by the analysis of cut ends of telegraphic wires?

1. Type of tool
2.  Angle of tool application
3. Nature of cutting
4. All of these

Answer-4

Q4. The residue particles of tool that are used to cut wire & are available at the cut end of wire are detected by which among the following method?

1. Wet chemical analysis
2. Spectrographic analysis
3. Both 2 & 5
4. Etching process
5. Neutron activation analysis

Answer-3

Q5. Which among the following is used for individual identification of questioned wire sample?

1. Die marks
2. Gauge of wire
3. Chemical composition of wire
4. None of these

Answer-1

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