Railway Recruitment Board Solved 2008 Paper

1. When a ray of light passes from an optically denser medium to a rarer medium, it
(a) Remains undeviated
(b) Bends towards normal
(c) Bends away from normal
(d) None of these
Ans: c

2. The time period of a seconds pendulum is
(a) 1 second
(b) 4 seconds
(c) 3 seconds
(d) 2 seconds
Ans: d

3. The second’s hand of a watch is 2 cm long. The velocity of its tip is
(a) 0.21 cm/sec.
(b) 2.1 cm/sec.
(c) 21 cm/sec.
(d) None of these
Ans: a

4. The mass-energy equivalence, relationship E = mc2 was propounded by
(a) Max Plank
(b) Einstein
(c) Newton
(d) Hertz
Ans: b

5. Anti-knocking can be lessened by
(a) Iso Octane
(b) N Heptane
(c) TEL
(d) Benzene
Ans: a

6. Flemings left hand rule is used to fine out:
(a) Direction of magnetic field due to flow of current
(b) Direction of induced current due to effect of magnetic field
(c) Direction of motion of a current carrying conductor in magnetic field
(d) None of these
Ans: c

7. Which of the following is used in photography?
(a) Silver Bromide
(b) Sodium Bromide
(c) Potassium Chloride
(d) Sodium Sulphate
Ans: a

8. The raw material used for the manufacture of Portland cement is :
(a) Limestone and clay
(b) Alumina, clay and gypsum
(c) Gypsum and limestone
(d) Gypsum and clay
Ans: b

9. Choose the wrong statement :
(a) Single magnetic poles can exist
(b) Magnetic poles are always of equal strength
(c) Like poles repel each other
(d) None of these
Ans: a

10. Formation is a 40% solution of :
(a) Methanol
(b) Methenal
(c) Methanoic acid
(d) None of these
Ans: b

11. The glass used for making laboratory apparatus is :
(a) Pyrex glass
(b) Hard glass
(c) Soft glass
(d) Safety glass
Ans: a

12. Rhombic monoclinic and plastic sulphur are:
(a) Isomers
(b) Isotopes
(c) Allotropes
(d) Hydrides of sulphur
Ans: c

13. The sight of a delicious food usually makes month watery. It is a :
(a) Hormonal response
(b) Neural response
(c) Optic response
(d) Olfactory response
Ans: d

14. Who is the author of "Anandmath" ?
(a) Rabindranath Tagore
(b) Bankim chandra Chattopadhyaya
(c) Sarojini Nayadu
(d) Jyotiba Phule
Ans: b

15. A body is thrown vertically upward and it reaches 10m high. Find the velocity with which the body was thrown? (g = 9.8 m/s)
(a) 10 m/sec.
(b) 18 m/sec.
(c) 14 m/sec.
(d) 7 m/sec.
Ans: c