161/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1.Which constituent in the earth gives plasticity to mould bricks?
(A)Lime
(B)Magnesia
(C ) Silica ’
(D) Alumina

2.The distance from the optical centre to the principle focus of a lens :
(A)Radius of curvature
(B)Focal length
(C )Focus
(D)None of these

3.The study of static electricity ;
(A)Electronics
(C )Electrostatic
(B)Electrostatic Field 
(D)Electron gravity

4.In optical systems, the lens of system of lenses closest to the observer� ....etc

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PLANTS-Related
What is the effect of detergent on bean seeds?
Will vitamins affect the growth of a plant?
Do weed killers affect house plants?
How do the moon phases affect plant germination?
How fast do roots grow?
Does the amount of light on plants affect their growth?
Does the amount of water given plants affect their growth?
Under what color light do plants grow best?
Will frozen seed sprout?
In what kind of material (sand, clay, etc.) do seeds grow best?
What is the effect of chlorinated water on plant growth?
How does t ....etc

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1. Finger Print Based electronic passport system
2. Finger Print based Bank Locker System
3. Finger Print based Driving License Management System
4. Finger Print Based Voting System for Rigging-free Governing
5. Finger Print based Access Control System
....etc

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Good day! this Maricar Mae. I would like to ask an example script in emceeing municipal science fair. thank you ....etc

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1.The narrow strip of drawing board are joint together byjoints.
(A) Butt and lap joints(B)Lapped and splayed joints
(C ) Tongue and groove joint(D)Butt and dovetail jointsButt and dovetail joints

2.Which wood is used to made wooden T-Square? 
(A) Teak(B)Oak
(C ) Pine(D)Linoleum

3.The designation of standard recommended scalesof 1:10 and 1: 20 is :
(A) M2(B)M 4
(C ) M 5(D)M 3M3

4.The trimmed size of A2 drawing sheet in mm is :
(A) 297x 420(B)420x594
(C ) 594 x 841(D)-210 x 297 .

5.Which type of line is us ....etc

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can people tell artificial smells from real ones science fair? ....etc

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141/2016
Maximum: 100 marks
Time : 1 hour and 15 minutes

1. Box of prismatic compass is made of:
(A)copper(B)nickel
(C ) brass(D) none of these

2.The specific gravity of stone should not in any case less than :
(A)2.5 (B)2
(C )1.5 (D)1

3.The rocks which are deposited in layers and can be easily split 

along such layers is known as:
(A)aqueousrock
(B)sedimentary rock
(C )metamorphic rock
(D)basalt

4.The extend of land that gets irrigated from a water source is :
(A) duty '
(B) delta
(C )ayacut
( ....etc

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a. Real time Clock SPI Interface.
b. Auto Dialer.
c. Automatic EB Billing.
d. Access Control System Voice Output.
e. Ultrasonic based distance measurement.
f. IR communication with Manchester encoding/decoding.
g. RF communication with Manchester encoding/decoding.
h. Dot matrix scrolling display.
i. Winding machine control.
j. Automatic street lamp operating.
k. Home security system.
l. Study of SPI interface.
m. Study of IC interface.
n. Braille machine for blind.
o. Multipurpose on/off timer module with loss regai ....etc

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