olp.amrita.edu B.Tech Engineering Entrance Examination Question Paper : Amrita Vishwa Vidyapeetham

Name of the University : Amrita Vishwa Vidyapeetham
Name of the Examination : Amrita Entrance Examination – Engineering
Subject : Physics, Chemistry & Mathematics
Website : olp.amrita.edu
Document Type : Question Booklet/Model Question Paper

Download Questions:https://www.pdfquestion.in/uploads/79-modelquestion.pdf

Amrita B.Tech Engineering Entrance Examination Model Question Paper

Time : 3 hrs
Number of questions : 120
Max. Marks : 360

Related : Amrita Entrance Examination Engineering Sample Question Paper : www.pdfquestion.in/23728.html

Instructions To The Candidates

General
1. Any malpractice or attempt to commit malpractice in the examination hall will lead to disqualification of the candidate.
2. Candidates are not allowed to carry any textual material, printed or written bits of papers, Mathematical and Physical Tables, electronic gadgets like calculator, cell phone, etc. into the examination hall.
3. Candidates shall possess the University Hall Ticket which should be produced on demand.
4. Candidates shall occupy the respective seats bearing their registration numbers on time.
5. Candidates shall sign the attendance sheet available with the invigilator.
6. Candidates are not permitted to leave the hall before the end of the examination.
7. Candidates are required to handover the ANSWER SHEET and the QUESTION BOOKLET to the invigilator before leaving the hall.
8. After submitting the answer sheet, candidates shall affix their left thumb impression on the attendance sheet.

Physics

Data:
Acceleration due to gravity = 10m/s2, Mass of electron = 9.1 x 10-31kg Charge of electron = 1.6 x 10-19 C, Velocity of light, c = 3 x 108m/s
1 eV = 1.6 x 10-19 J
1. Which of the following has the dimensionality of farad?
a) A2s4kg-1m -2
b) A-2kg m2s3
c) kg m2 A-1s2
d) kg m3 A-2s2

2. Choose the correct combination of the planet and its average orbital speed(in km s -1 )
a) Earth (29.8); Saturn(9.65); Venus(35.0); Mars(24.2)
b) Earth (9.65); Saturn(29.8); Venus(35.0); Mars(24.2)
c) Earth (24.2); Saturn(9.65); Venus(35.0); Mars(29.8)
d) Earth (29.8); Saturn(9.65); Venus(24.2); Mars(35.0)

3. At a point 3200 km vertically above the surface of the earth, acceleration due to gravity of earth in SI units is
a) 6.66
b) 3.33
c) 5.55
d) 4.44

4. Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of photons. Their powers are in the ratio
a) 64:40
b) 1:1
c) 5:8
d) 25:64

5. The relation, Work Done = Change in internal energy holds for
a) isothermal process
b) adiabatic process
c) isobaric process
d) isochoric process

6. The rate of flow of volume of a fluid of viscosity ? along a horizontal pipe of radius r and length L due to pressure difference ?P is (?V/?t). If a pipe of radius 2r and length 2L is used and ?P is doubled the rate of flow will increase by a factor
a) 2
b) 4
c) 8
d) 16

7. If the charge Q in a capacitor is doubled, electric field energy stored inside
a) doubles
b) increases by factor 4
c) remains unchanged
d) increases by factor 8

8. A capacitor with C =0.144 ?F having charge Q is made to discharge through a resistanceof 1.0 ?. What is the time taken for the discharge of 50% of the initial charge?
a) 10-7 s
b) 0.144 x10-6 s
c) 2.1 x 10-7s
d) 0.144 x 10-7 s

9. A slab having dielectric constant ? = 3 is placed in a region having constant electric field
E = 10 V m-1. The electric field inside the slab volume is
a) 1.1 V m-1
b) 30 V m-1
c) zero
d) 3.33V m-1

10. A parallel plate capacitor is connected to a battery supplying constant voltage difference such that it accumulates charge Q. While being connected, if the separation d between the plates is increased
a) both electric field inside the capacitor and Q decrease
b) electric field inside the capacitor decreases and Q increases
c) electric field inside the capacitor increases and Q decreases
d) both electric field inside the capacitor and Q increase

Chemistry

1. 20 g of a solute whose density is 2.0 g/cc is dissolved in water and the solution is made upto one litre. If the molecular weight of the solute is 100, what is the molality of the solution-
a) 0.2020
b) 0.4040
c) 0.2000
d) 0.0200

2. The velocity of infra red radiation in vacuum compared to ultra violet is :
a) twice
b) half
c) equal
d) four times

3. Which one of the following statements is true :
a) An orbit and orbital mean the same thing.
b) An orbit and orbital contain the same number of electrons always.
c) The energies of the orbit and the orbital are the same.
d) The maximum number of electrons present in an orbit and an orbital will be different.

4. Which one of the following has electronic configuration in violation of Aufbau principle :
a) calcium
b) titanium
c) chromium
d) manganese

5. Which one of the following changes is spontaneous :
a) A matchstick on strike burns.
b) Camphor packed in a container without over space catches fire on its own.
c) Petrol kept in an open beaker reduces in quantity slowly.
d) Water in a beaker surrounded by ice and salt freezes.

6. In ice-liquid water equilibrium, increase of pressure leads to :
a) increase in melting point of ice
b) decrease in melting point of ice
c) no change in melting point of ice
d) disappearance of one phase

7. What is the theoretical quantity of hydrogen required to generate 53.6Ah in a Proton Exchange Membrane Fuel Cell :
a) 1.0 g
b) 1.0 kg
c) 2.0 g
d) 2.0 litre

8. Which one of the following exhibits Schottky defect :
a) nickel oxide
b) potassium bromide
c) ferrous sulphide
d) silver chloride

9. Which one of the following is anti ferromagnetic :
a) titanium dioxide
b) nickel
c) oxygen
d) ferrous oxide

10. The gas that is produced through catalytic reforming of sewage is :
a) producer gas
b) syngas
c) natural gas
d) carbon monoxide

11. Which one of the following hydrides is non-stoichiometric :
a) ammonia
b) nickel hydride
c) sodium hydride
d) diborane