Polytechnic Question Paper 2023

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Polytechnic Question Paper 2023 PDF

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Question Paper with Solution

Polytechnic Question Paper is the best way to practice for the examination and qualify the examination by obtaining passing marks. Here, candidates can see Polytechnic Entrance Exam Model Paper/ Polytechnic Entrance Exam Question Paper either in PDF file or in text for Polytechnic Entrance in the form of Multiple Choice Questions.

Question 1: Artificial Kapoor would have:

1. C₂Cl₆
2. CCl₄
3. C₂Cl₄
4. They have not

Answer: 2

Question 2: The main source of aromatic compounds is

1. Fruit
2. Winter green oil
3. Petroleum
4. Ant

Answer: 3

Question 3: The slow chemical process of making coal from wood is called:

1. decomposition
2. oxidation
3. Distillation
4. Carbonization

Answer: 1

Question 4: If the ratio of the second and third term in the expansion of (a + b)2 is equal to the ratio of third and fourth term in the expansion of (a + b ) n+3 then the value of n is equal to :

1. 8
2. 7
3. 5
4. 3

Answer: 3

Question 5: The equation of line which is parallel to the straight line 3x + 4y – 7 = 0 and passing through (1,2) is :

1. 3x + 4y = 11
2. 3x+4y+11= 0
3. 4x-3y+2=0
4. 3x+4y+7=0

Answer: 4x-3y+2=0

Question 6: A dice is thrown then the probability that the sum of the number is 1 or 6 is:

1. 1/5
2. 1/3
3. 2/5
4. 3/4

Answer: 1/3

Question 7: The sum of 20 terms of the series 1 + 4 + 7 + 10 +….is:

1. 290
2. 490
3. 590
4. none of these

Answer: 590

Question 8: Which is correct for inside charged sphere?

1. E ≠ 0, V = 0
2. E=0, V= 0
3. E≠0, V≠0
4. E=0, V = 0

Answer: E=0, V = 0

Question 9: Function of a grid in a triode is:

1. to increase plate voltage
2. to decrease plate voltage
3. reduce the effect of space charge
4. None

Answer: to increase plate voltage

Question 10: The wavelengths associated with photons and electron are same, the ratio of their momentum will be:

1. 1: 1
2. 2: 1
3. 1: 4
4. 3: 2

Answer: 1

Question 11: Of which the velocity is equal to light velocity:

1. Cathode ray
2. X-rays
3. positive ray
4. all

Answer: X-rays

Question 12: If the pressure of a gas is doubled at constant temperature, then the velocity of Sound in the gas becomes:

1. unchanged
2. √2 times
3. half
4. double

Answer: unchanged

Question 13: Which quantity doesn’t remains constant in simple harmonic motion:

1. Time period
2. velocity
3. frequency
4. amplitude

Answer: velocity

Question 14: Brasses and bronzes are welded using

1. carburising flame
2. oxidizing flames
3. reducing flame
4. neutral flame

Answer: 4

Question 15: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

1. 30%
2. 70%
3. 100%
4. 250%

Answer: 2

Question 16: A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

1. 18.20
2. 70
3. 72
4. 88.25

Answer: 3

Question 17: On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

1. 45
2. 50
3. 55
4. 60

Answer: 4

Question 18: The main chemical constituent of clay is

1. silicon oxide
2. aluminium borosilicate
3. zeolites
4. aluminium silicate

Answer: 4

Question 19: The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?

1. 2000
2. 2200
3. 2400
4. Data inadequate

Answer: 3

Question 20: Supersonic plane fly with the speed

1. less than the speed of sound
2. of sound
3. greater than the speed of sound
4. of light

Answer: 3

Question 21: Rainbow is due to

1. absorption of sunlight in minute water droplets
2. diffusion of sunlight through water droplets
3. ionisation of water deposits
4. refraction and reflection of sunlight by water droplets

Answer: 4

Question 22: Stars which appear single to the naked eye but are double when seen through a telescope are

1. novas and supernovas
2. binaries
3. asteroids
4. quasars

Answer: 2

Question 23: The hardest form of carbon is

1. coke
2. graphite
3. diamond
4. charcoal

Answer: 3

Question 24: The main active constituent of tea and coffee is

1. nicotine
2. chlorophyll
3. caffeine
4. aspirin

Answer: 3

Question 25: Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

1. move towards A
2. move towards B
3. move at right angles to the line joining A and B
4. remain at rest

Answer: Option 2

Question 26: The high reactivity of fluorine is due to

1. its high electro negativity
2. small size of fluorine atom
3. availability of d-orbitals
4. strong F – F bond

Answer: Option 1

Question 27: The iron ore magnetite consists of

1. Fe2O3
2. Fe3OH4
3. FeCO3
4. 3H2O

Answer: Option 1

Question 28: The main chemical constituent of clay is

1. silicon oxide
2. aluminium borosilicate
3. zeolites
4. aluminium silicate

Answer: Option 4

Question 29: The main use of salt in the diet is to

1. make the taste of food better
2. produce in small amounts the hydrochloric acid required for the digestion of food
3. ease the process of cooking
4. increase the solubility of food particles in water

Answer: Option 2

Question 30: In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

1. 30%
2. 70%
3. 100%
4. 250%

Answer: Option 2

About Polytechnic Last Year Paper

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