(a) Iron is tempered
(b) Contains a controlled amount of carbon
(c) Foreign matter is expelled
(d) Special ores used
Answer : (b) Contains a controlled amount of carbon
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(a) Iron is tempered
(b) Contains a controlled amount of carbon
(c) Foreign matter is expelled
(d) Special ores used
Answer : (b) Contains a controlled amount of carbon
(a) Power
(b) Capacity
(c) Work
(d) ball
Answer : (a) Power
(a) In the lens
(b) Fire glass
(c) Darpan
(d) Prism
Answer : (d) Prism
(a) Ocean Cyclone
(b) Effect of air flow
(c) Variation in density of water
(d) Conduction of heat in water
Answer : (b) Effect of air flow
(a) 1875
(b) 1975
(c) 1925
(d) 2015
Answer : (c) 1925
(a) 15
(b) 25
(c) 20
(d) 28
Answer : (a) 15
(A) 5
(b) 10
(c) 27
(d) 10
Answer : (d) 10
(a) Shajimati
(b) Limestone
(c) Gypsum
(d) Sand
Answer : (d) Sand
(a) 2
(b) 3
(c) 4
(D) 5
Answer : (b) 3
(a) 20
(b) 22.5
(c) 23
(d) 23.5
Answer : (b) 22.5