171. The Iran-Pakistan gas pipeline is also called
(A) friendship pipeline
(B) future pipeline
(C) peace pipeline
(D) unity pipeline

172. How many countries have successfully tested nuclear weapons?
(A) 5
(B) 6
(C) 7
(D) 8

173. Which from the following country has not yet tested nuclear weapons?
(A) India
(B) Pakistan
(C) South Korea
(D) North Korea

174. The largest helicopter in the world is
(A) CH-47 Chinook
(B) Hughes YOH-6A
(C) Robinson R44
(D) Mil Mi-26

175. The Mil Mi-26 helicopter is manufactured by
(A) United States
(B) United Kingdom
(C) Russia
(D) Germany

176. Which country has the largest warships in the world?
(A) United States
(B) United Kingdom
(C) Russia
(D) Germany

177. The Nimitz-class super carriers, the largest warships, are powered by
(A) fossil fuels
(B) hydroelectric energy
(C) solar energy
(D) nuclear energy

178. The Nimitz-class super carriers are being replaced by
(A) Cavour aircraft carriers
(B) INS Vikramaditya aircraft carriers
(C) Queen Elizabeth (R08)
(D) Gerald R. Ford-class aircraft carriers

179. NASA, the space agency responsible for the space science program and general aerospace research is the agency of
(A) United States
(B) United Kingdom
(C) Russia
(D) Japan

180. Roscosmos is the space agency of
(A) United States
(B) Russia
(C) Japan
(D) United Kingdom