VOCLET Question Paper in Bengali

Can you provide me previous year question paper of JEXPO/VOCLET organized by West Bengal State Council of Technical Education in the state of West Bengal?

[Rajkumar Agarwal]

The previous year question paper of JEXPO/VOCLET organized by West Bengal State Council of Technical Education in the state of West Bengal is as follows:

1. Phenolphthalein is an :

a) Acid Salt b) Acid

c) Alkali d) Indicator

Ans: d) Indicator


2. Coagulant used for the treatment of waste

water is:

a) NaCl b) Na 2 SO 4

c) FeSO 4 d) KCl

Ans: c) Na 2 SO 4


3. Most commonly used vulcanising agent is :

a) Sulphur b) Dimond

c) Graphite d) Phosphorous

Ans: a) Sulphur


4. Which of the following compounds

decolorised red bromine water solution:

a) CH 4 b) C 2 H 6

c) C 2 H 4 d) CCl 4

Ans: CCl 4


5. Which of the following compounds contains

a double bond :

a) C 2 H 2 b) CH 4

c) C 2 H 4 d) C 2 H 4

Ans: c) C 2 H 4


6. What is the pH value of 10 -8 N HCL:

a) 8 b) 6

c) 6.98 d) 9

Ans: a) 8

7. Galvanization means plating by :

a) Zn b) Sn

c) Ni d) Cu

Ans: a) Zn

8. For cathodic protection the mostly used metal

is :

a) Zn b) Ca

c) Ni d) Mg

Ans: a) Zn

9. Which can stop bleeding due to small cut

most easily ? :

a) K 2 SO 4 b) NaCl

c) Sugar d) Alum

Ans: d) Alum

10. Natural rubber consists of :

a) 1,3 butadiene b) Isoprene

c) But-1- ene d) Styrene

Ans: a) 1,3 butadiene

11. Which is used as lubricant? :

a) NaOH b) FeCl 3

c) H 3 PO 4 d) MoS 2

Ans: d) MoS 2

12. Picric acid is :

a) 2,4,6 trinitro benzoic acid b) 2,4-dinitro

benzoic acid

c) 2,6-dinitro phenol d) 2,4,6-trinitro phenol

Ans: d) 2,4,6-trinitro phenol

13. The compound used in plastic industry :

a) C 2 H 4 b) HCHO

c) C 6 H 5 OH d) All of them

Ans: d) All of them

14. Which one of the following elements in coal

decreases its Calorific value :

a) Nitrogen b) Hydrogen

c) Sulphur d) Carbon

Ans: a) Nitrogen

15. A chemical reaction is at equilibrium when

:

a) The reactants are completely transformed in

to products

b) The rate of froward and backward reactions

are equal

16. Octane number of Isooctane is :

a) 0

b) 100

c) 92

d) 104

Ans: b) 100

c) Formation of product is stoped

d) Equal amount of reactants and products are

present

Ans: d) Equal amount of reactants and products

are present

17. Corrosion is a process of :

a) Oxidation

b) Reduction

c) Precipitation

d) Sublimation

Ans: a) Oxidation

18. Temporary hardness of water is due to :

a) CaCl 2

b) MgSO 4

c) Ca(HCO 3 ) 2

d) CaCO 3

Ans: c) Ca(HCO 3 ) 2

19. The suitability of a diesel fuel is determined

by :

a) Octane Number

b) Length of hydrocarbon chain

c) Cetane number

d) % of carbon

Ans: c) Cetane number

20. Which one produces red ppt. with

ammoniacal Cu 2 Cl 2 :

a) Ethene

b) Ethane

c) Ethyne

d) both a and c

Ans: d) both a and c

21. DDT is obtained when chlorobenzene is

treated with the following in presence of con.

H 2 SO 4 :

a) CH 3 CHO

b) HCHO

c) CCl 3 CHO

d) CH 3 COOH

Ans: c) CCl 3 CHO

22. The main constituent of LPG is :

a) Methene

b) Butane

c) Ethane

d) Propane

Ans: b) Butane

23. How many atomes are present in 0.98 gm

H 2 SO 4 :

a) 6.023 x 10 21

b) 3.012 x 10 23

c) 4.21 x 10 22

d) 3.02 x 10 21

Ans: a) 6.023 x 10 21

24. A fuel gas, which is also used as a source of

hydrogen is :

a) Producer gas

b) Coal gas

c) Water gas

d) Natural gas

Ans: c) Water gas

25. The number of molecules in 1 mole

methane (CH 4 ) at 546 K and under 2

atmosphere pressure is :

a) N

b) 2N

c) >N but <2N

d) <N

Ans: a) N

Can you provide me the previous year WB VOCLET JEXPO Mathematics Question Paper in Bengali conducted by West Bengal State Council of Technical Education (WBSCTE)?

[Neelu Bhasin]

The previous year WB VOCLET JEXPO Mathematics Question Paper in Bengali conducted by West Bengal State Council of Technical Education (WBSCTE) is as follows:









VOCLET Exam Syllabus

Mathematics Syllabus
Laws of indices
Complex numbers
Sequences and series
Quadratic equations
Matrix
Determinant
Trigonometric ratio of associated angles- compound angles- multiple and sub multiple angles
Coordinate system
Distance between two points
Section formula
Straight line
Differential calculus
Integral calculus
Definite integral
Differential equation
Vector
Physics Syllabus
Units of measurements
Dimension of physical quantities
Motion in a straight line
Scalar and vector quantities
Frame of reference Newtons law
Work, Energy and Power
Centre of mass
Law of gravitation
Elastic behaviour
Thermal physics
Periodic motion
Chemistry Syllabus
Chemical industries
Chemical equations
Extra nuclear structure of atom
Chemical bonding and molecular structure
Gaseous and liquid state of matter
Thermodynamic system
Equilibrium and acidimetry
Acidometer and alkalimetry
Hydrogen, Water
Preparation and uses of different chemicals
Organic chemistry and organic compounds
Air pollution
Water pollution
Soil pollution
Fundamental Mechanics Syllabus
Concept of engineering mechanical
System of forces
Moment and its application
Equilibrium of force system
Friction
Simple lifting machine
Centre of gravity
Moment of inertia
Computer application Syllabus
Introduction to computer system
Computer software and programming languages
Word processing
Speed sheet
Internet

How to download voclet 15 sample questions paper in Bengali