171: Pneumoconiosis afflicts the workers who work mainly in:
(a) Tanneries
(b) Coal mining industry
(c) Glass industry
(d) Distilleries
172: The value of a vote of a member of the Parliament for the election of the President of India is determined by dividing the
(a) Nation's population as per the latest census by the number of Lok Sabha members.
(b) Population as per the latest census by the total strength of the two Houses of the Parliament.
(c) The total value of votes of the members of all the State Legislative Assemblies by the elected members of the two Houses of the Parliament
(d) Particular State's population as per the latest census by the number of members of Parliament elected from that State
173: Two trains leave New Delhi at the same time. One travels north at 60 kmph and the other travels south at 40 kmph. After how many hours will the trains be 150 km apart ?
(A) 4/3
(B) 3/2
(C) 3/4
(D) 15/2
174: With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?
1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.
2. LTE is data-only technology and VoLTE is voice-only technology.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
175: For reproducing sound, a CD (Compact Disc) audio player uses a
(a) quartz crystal
(b) titanium needle
(c) laser beam
(d) barium titanate ceramic