### Model Question Paper | APPLIED SCIENCE | Diploma Karnatak

Model Question Paper:

I Semester Diploma Examination

### APPLIED SCIENCE

##### (Common for All Engineering Programmes) Time: 3 Hours][Max Marks: 100

Note: i) Answer any 10 questions from section A, each carry 02marks.

ii)  Answer any 10 questions from section B, each carry 05 marks.

iii)  Answer any 05 questions from section C, each carry 06 marks.

### Code:15SC03S

##### SECTION – A

1.      Define Unit.

2.      Differentiate scalars and vectors.

3.      Define Resultant of forces.

4.      Define moment of couple.

5.      Define plasticity.

6.      Define compressibility.

7.      Define viscosity of liquid.

8.      Define specific heat of substance.

9.      Define thermodynamics.

10.  Define time period.

11.  Define beats.

12.  Define Electro-magnetic waves.

13.  Define Nano-Technology.

14.  Define electrolyte.

15.  Define composite materials.

##### PART-B

1.      Draw a neat diagram of Vernier calipers and label its parts.

2.      Write the condition for equilibrium of coplanar parallel forces with an example.

3.      Explain stress-strain graph.

4.      Define K.E of liquid in motion. State Bernoulli’s theorem.

5.      Define capillarity? Write any three application of surface tension.

6.      State 1st law of thermodynamics. Explain isothermal & adiabatic process.

7.      State the three gas laws.( Boyle’s law, Charle’s law & Gay-Lussac law)

8.      Explain mechanical &non- mechanical waves with examples.

9.      Distinguish between longitudinal & transverse waves.

11.   Write the principle of laser. Lists its properties.

12.   Explain the mechanism of electrolysis of HCL.

13.   Write the basic concepts of batteries. Mention any three applications of batteries.

14.   Distinguish between minerals and ore. Write any three applications of pH.

15.   Define composite materials. Write the advantages of composite materials.

##### PART-C

1.                     Derive an expression for magnitude and direction of resultant of two forces acting at a Point.

2.                     Describe an experiment to determine coefficient of viscosity of water by Poiseuille’s method.

3.                     1.25cc volume of a gas at 150C &755mm of mercury pressure. Calculate volume at NTP.

4.                     Derive an expression for fundamental frequency of transverse vibrations of stretched string.

5.                     Describe an experiment to find the unknown frequency of the given tuning fork using sonometer    by comparison method.

6.                     Calculate the velocity of sound in air at 250C & 75cm of mercury pressure, if the density of air at 00C & 76cm of mercury pressure is 1.29kgm-3. (given γ=1.41 for air).

7.                     Write the basic elements of communication system with block diagram.

8.                     Explain any two methods of polymerization.