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Type of Announcement : Model Question Paper NIAEE - 2013
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Model Question Paper NIAEE - 2013

Programme - B.E/ B.Tech Time - 2 Hrs Marks - 100

Instructions to the Candidates :
1. Use only Pencil to indicate your answers. Use Ball-Point Pen only for writing Name, Register Number and Signature.
2. Darken the square completely. Mark your answers like this only
3. Name of the Student : ******
4. Programme Applied : ******
5. Register Number: *******
6. Signature of the student: ******
7. Signature of the invigilator: ******

1. If A = (2,0,1) then the rank of A A₮ is
a) 2
b) 4
c)3
d) 0
2. In a system of three linear non homogeneous equation with linear unknowns, If ∆= 0; ∆x = 0; ∆y = 0 and ∆z = 0, then the system has
a)unique solutions
b) two solutions
c)infinitely many solutions
d) no solutions
4. If A and B are any two matrices such that AB = 0 and A is non singular, then
a) B =0
b) B is singular
c) B is non singular
d)B= A
5. The gradient of the curve y= -2x³+3x+5 at x=2 is
a)-20
b)27
c)-16
d)-21
6. The slope of the normals to the curve y = 3x² at the point where x coordinate is 2 is
a)1/13
b)1/14
c)-1/12
d)1/12
7. The value of c of Lagrange Mean value Theorem for f(x)= √x when a=1 and b-4 is
a)9/4
b)3/2
c)1/2
d)1/4
8. The commercially known compound gammexane is
(a) Freon
(b) chloral
(c) 2-phenyl ethanol
(d) hexachlorocyclohexane
9. The bond order of oxygen molecule is
(a) 2.5 (b) 1 (c) 3 (d) 2
10. An element which was burnt in limited supply of air to give oxide A which on treatment with water gives an acid B. Acid B on heating gives acid C which gives yellow precipitate with AgNO3solution A is
(a) SO₂
(b) NO₂
(c) P₂O₃
(d) SO₃
11. Which of the following is used as neutron absorber in the nuclear reactor?
(a) Water
(b) Deuterium
(c) Some compound of uranium
(d) Cadmium
12. All the naturally occurring processes proceed spontaneously in a direction which leads to
(a) decrease of entropy
(b) increase in enthalpy
(c) increase in free energy
(d) decrease of free energy
13. The feasibility of a redox reaction can be predicted with the help of
a) Electronegativity
b) Electrochemical series
c) Electron affinity
d) Equivalent conductance
14. Which among the following exhibit geometrical isomerism?
a) isobutyraldehyde
b) 1-butene
c) 1,1-dichloroethylene
d) 1-chloro-2-bromo ethylene
15. When ethyl iodide is treated with dry silver oxide it forms
a) Ethyl alcohol
b) diethylether
c) silver ethoxide
d) ethyl methyl ether
16. Methyl ketones are usually characterized by
a) Fehlings solution
b) iodoform test
c) Schiff’s test
d) Tollen’s reagent
17. Alkaline hydrolysis of cooking oil gives
a) soap
b) glycerol
c) fatty acids
d) both (a) and (b)
18. Tartaric acid is present in
(a)Rubber
(b)Tamarind
(c)Rice
(d)Banana fruit
19. An example of a thermosetting plastic is
(a)PVC
(b)Polyethylene
(c)Bakelite
(d)Nylon
20. Which will not answer cannizaro reaction
(a)Formaldehyde
(b)Benzaldehyde
(c)Trimethyl acetaldehyde
(d)Methyl acetaldehyde

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