2626: A suitable site of a cement plant requires proximity to:
(a) Coal and iron
(b) Limestone and manganese
(c) Limestone and gypsum
(d) Coal and gypsum
2627: Which one of the following statements does correctly defines the term "drain theory" as propounded by Dadabhai Naoroji?
(a) That the resources of the country were being utilised in the interest of Britain
(b) That a part of India's national wealth or total annual product was being exported to Britain for which India got no material return
(c) That the British Industrialists were being given an opportunity to invest in India under the protection of the imperial power
(d) That the British goods were being imported to the country making it poorer day by day
2628: Flood hit areas are to be immediately given medical cover. Which of the following is the most appropriate step?
(a) BCG injection
(b) Inoculation against Cholera
(c) Smallpox vaccination
(d) None of these
2629: A train completes a journey with a few stoppages in between at an average speed of 40 km per hour. If the train had not stopped anywhere, it would have completed the journey at an average speed of 60 km per hour. On an average, how many minutes per hour does the train stop during the journey?
(A) 18 minutes per hour
(B) 15 minutes per hour
(C) 20 minutes per hour
(D) 10 minutes per hour
2630: Pumice is derived from:
(a) Volcanic rock
(b) Sedimentary rock
(c) Igneous rock
(d) Acid lava