3096: Consider the following statements :
Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
I. act as a reducing agent.
II. remove silica associated with the iron ore.
III. function as fuel, to supply heat.
IV. act as an oxidizing agent.
Of these statements:
(a) I and II are correct
(b) II and IV are correct
(c) I and III are correct
(d) III and IV are correct
3097: In the year 1613, where was the English East India Company given permission to set up a factory (trading post) ?
(a) Bangalore
(b) Madras
(c) Masulipattam
(d) Surat
3098: Which one of the following statements is correct ?
Fiscal Responsibility and Budget Management Act (FRBMA) concerns
(a) fiscal deficit only
(b) revenue deficit only
(c) both fiscal deficit and revenue deficit
(d) neither fiscal deficit nor revenue deficit
3099: A and B start from the same point and in the same direction at 7 a.m. to walk around a rectangular field 400 m x 300 m. A and B walk at the rate of 3 km/hr and 2.5 km/hr respectively. How many times shall they cross each other if they continue to walk till 12 : 30 p.m?
(a) Not even once
(b) Once
(c) Twice
(d) Thrice
3100: What does the term Dolby B, or Dolby C printed on tape recorders and other sound system refer to?
(a) Frequency modulated system
(b) Amplitude modulated system
(c) Noise reduction circuit
(d) Both DC and AC power can be used.