As you want I am here giving you model question paper for CG Pre Polytechnic Test (PPT) in Chhattisgarh (CG).

Sample paper :

1. Which is correct for inside charged sphere:
A. E ≠ 0, V = 0
B. E=0, V= 0
C. E≠0, V≠0
D. E=0, V = 0
Ans. D

2. The magnetic force experienced charge q in magnetic field moving with velocity V, will maximum when the angle between V and B is:
A. 00
B. 450
C. 900
D. 1800
Ans. C

3. In closed organ pipe the produced harmonics are:
A. no harmonics is produced
B. even and odd both
C. odd only
D. even only
Ans. C

4. A metal surface emitted electrons of 3 eV, when a light of 4 eV are made to incident on the same metal surface the energy of the emitted photons will be :
A. 3 eV
B. 4 eV
C. 5 eV
D. 2 eV
Ans. C

5. Forbidden energy gap in Ge is :
A. 0.75 eV
B. 2.5 eV
C. 1.1 eV
D. 5 eV
Ans. A

6. The work done in increasing the size of a bubble by 10-2 m2:
A. 0.4 x 10-4 erg
B. 50 x 102 erg
C. 25 x 102 erg
D. 25 x 10-2 erg
Ans. B

7. A boy is revolving on a dice with spreading hands. Suddenly the boy brings his near his body, the change in the system will be :
A. angular velocity increases
B. angular velocity decreases
C. angular velocity unchanged
D. angular momentum decreases
Ans. A

8. A body moving with 50 m/sec. Velocity collides elastically with another body at rest. After the collision the velocity of first body changes to 30 m/sec., the velocity of the second body will be:
A. 30 m/sec.
B. 60 m/sec.
C. 80 m/sec.
D. 50 m/sec.
Ans. C

9. Two dice are thrown together then the probability that the sum of numbers appearing on the dice is 7 :
A. 1 /6
B. 1 /12
C. 5 /36
D. None of these
Ans. A

10. Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?
A. 3.5
B. 4.5
C. 5.6
D. 6.5
Ans. C

11. When a plot is sold for Rs. 18,700, the owner loses 15%. At what price must that plot be sold in order to gain 15%?
A. Rs. 21,000
B. Rs. 22,500
C. Rs. 25,300
D. Rs. 25,800
Ans. C

12. The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
A. 276
B. 299
C. 322
D. 345
Ans. C

13. The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9000
B. 9400
C. 9600
D. 9800
Ans. C

14. If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
A. 50 km
B. 56 km
C. 70 km
D. 80 km
Ans. A

15. It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is:
A. 2 : 3
B. 3 : 2
C. 3 : 4
D. 4 : 3
Ans. C
16. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
A. 0
B. 1
C. 10
D. 19
Ans: D

17. Radiocarbon is produced in the atmosphere as a result of
A. collision between fast neutrons and nitrogen nuclei present in the atmosphere
B. action of ultraviolet light from the sun on atmospheric oxygen
C. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D. lightning discharge in atmosphere
Ans. A

18. Sound waves in air are
A. transverse
B. longitudinal
C. electromagnetic
D. polarised
Ans. B

19. Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2
A. 0.14 m/s
B. 140 m/s
C. 1.4 km/s
D. 14 m/s
Ans. D

20. Suitable impurities are added to a semiconductor depending on its use. This is done in order to
A. increase its life
B. enable it to withstand higher voltages
C. increase its electrical conductivity
D. increase its electrical resistivity
Ans. C