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26th February 2016, 10:50 AM
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Join Date: May 2012
Re: WBJEE Model Question Paper Pdf

I have a sample paper of WBJEE exam, so here I am providing you , as you want.

Here I am providing you some questions as well as file, as you want.

WBJEE Model Question Papers
Ques:1. In which following triploblastic animal coelom is absent ?

Platyhelminthes
Aschelminthes
Annelids
Arthropods
Ques:2. Two mirrors at an angle θº produce 5 images of a point. The number of images produced when θ is decreased to θº – 30º is

9
10
11
12
Ques:3. A plano-convex lens (f = 20 cm) is silvered at plane surface. Now focal length will be :

20 cm
40 cm
30 cm
10 cm
Ques:4. The magnetic flux through a loop of resistance 10 Ω is given by φ = 5t2 – 4t + 1 Weber. How much current is induced in the loop after 0.2 sec ?

0.4 A
0.2 A
0.04 A
0.02 A
Ques:5. The decimal equivalent of the binary number (11010.101)2 is

9.625
25.265
26.625
26.265
Ques:6. If momentum is increased by 20%, then kinetic energy increases by

48%
44%
40%
36%
Ques:7. The area enclosed by y = 3x – 5, y = 0, x = 3 and x = 5 is

12 sq. units
13 sq. units
13 ½ sq. units
14 sq. units
Ques:8. G.. M. and H. M. of two numbers are 10 and 8 respectively. The numbers are :

5, 20
4, 25
2, 50
1, 100
Ques:9. The number of permutations by taking all letters and keeping the vowels of the word COMBINE in the odd places is

96
144
512
576
Ques:10. Let R be the set of real numbers and the mapping f : R → R and g : R → R be defined by f(x) = 5 – x2 and g(x) = 3x – 4 , then the value of (fog)(–1) is

–44
–54
–32
–64
Ques:11. Surface temperature of the sun is of the order of

5000 K
7000 K
6000 K
12000 K
Ques:12 If charge remains constant, what will happen to the surface potential of a wire whose diameter is doubled but length remains same?

Double
Half
One-third
Same
Ques:13. The momentum of the body having kinetic energy E is doubled. The new Kinetic energy is

E
4E
16E
32E
Ques:14. The friction experienced by a body, when in motion, is known as

rolling friction
dynamic friction
limiting friction
static friction
Ques:15. A smooth cylinder lying on its convex surface remains in __________ equilibrium.

stable
unstable
neutral
Ques:16. The flow through a nozzle is regarded as

constant volume flow
constant pressure flow
isothermal flow
isentropic flow
Ques:17. The ratio of total useful heat drop to the total isentropic heat drop, is called

stage efficiency
internal efficiency
Rankine efficiency
none of these
Ques:18. The pressure at which the steam leaves the nozzle is known as back pressure.

Correct
Incorrect
Ques:19. f a designer is developing a plan for a project in which the entire part is made out of ¾" thick plywood and he only wants to use one view, he should use the ________ view.

front
top
right
back
Ques:20. Center lines are used to locate or represent the centers of ________.

arcs
circles
hidden round features
all of the above


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