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Applied Physics for Mechanical Stream

Total questions: 124

Worksheet time: 6hrs 52mins

Name
Class
Date
1.

What is Simple Harmonic Motion (SHM)?

4 lines
2.

What is the physical significance of the force constant?

4 lines
3.

What is the natural frequency of a system?

4 lines
4.

What are the applications of springs?

4 lines
5.

What are damped oscillations?

4 lines
6.

What is the expression for the decay of amplitude in damped oscillations?

4 lines
7.

What is the quality factor and its significance?

4 lines
8.

What are the engineering applications of damped oscillations?

4 lines
9.

What is the definition and examples of forced oscillations?

4 lines
10.

What is the expression for amplitude and phase in forced oscillations?

4 lines
11.

What are the different conditions of forced oscillations?

4 lines
12.

What is resonance?

4 lines
13.

What is the sharpness of resonance?

4 lines
14.

What is the Mach number?

4 lines
15.

What are the classifications of waves and Mach regimes?

4 lines
16.

What are the types of waves?

4 lines
17.

What are the Mach regimes?

4 lines
18.

What are shock waves and their applications?

4 lines
19.

What is the Mach angle?

4 lines
20.

What are the properties of shock waves?

4 lines
21.

What are the applications of shock waves?

4 lines
22.

What are shock tubes?

4 lines
23.

What is the Reddy shock tube?

4 lines
24.

What are the Elastic Properties of Materials?

4 lines
25.

What is the difference between Elasticity and Plasticity?

4 lines
26.

What is Stress and Strain?

4 lines
27.

What is the Classification of Stress and Strain?

4 lines
28.

What is Hooke’s Law?

4 lines
29.

What is the Strain Hardening and Softening?

4 lines
30.

What are the Elastic Moduli?

4 lines
31.

What is Young’s Modulus?

4 lines
32.

What is Bulk Modulus?

4 lines
33.

What is Rigidity Modulus?

4 lines
34.

What is Poisson’s Ratio?

4 lines
35.

What is the Relation between Elastic Moduli?

4 lines
36.

What are the Assumptions in Bending of Beams?

4 lines
37.

What is the Neutral surface and Neutral axis?

4 lines
38.

What is the Neutral surface and Neutral axis?

4 lines
39.

What are the Types of Beams?

4 lines
40.

What is the Bending Moment and Expression?

4 lines
41.

What is the Bending Moment?

4 lines
42.

What is the Expression for Bending Moment?

4 lines
43.

What is the Geometrical MI of Rectangular and Circular Beams?

4 lines
44.

What are the Cantilever and I Section Girders?

4 lines
45.

What is a Cantilever?

4 lines
46.

What are I Section Girders?

4 lines
47.

What are the Types of Elastic Materials?

4 lines
48.

What is Elastic Fatigue and Fracture?

4 lines
49.

What is Brittle Fracture?

4 lines
50.

What is Ductile Fracture?

4 lines
51.

What is Stress Concentration and Concentration Factor?

4 lines
52.

What is Stress Concentration?

4 lines
53.

What is Concentration Factor?

4 lines
54.

What are the Factors Affecting Fatigue?

4 lines
55.

What is Surface Effect?

4 lines
56.

What is Design Effect?

4 lines
57.

What are Environmental Effects?

4 lines
58.

What are Model Questions?

4 lines
59.

What are Numerical Problems?

4 lines
60.

What is Thermo EMF and Thermo Current?

4 lines
61.

What is Seebeck Effect and Seebeck Co-efficient?

4 lines
62.

What is the Seebeck Effect?

4 lines
63.

What is the Seebeck Coefficient?

4 lines
64.

What is Peltier Effect and Peltier Co-efficient?

4 lines
65.

What is the Peltier Effect?

4 lines
66.

What is the Peltier Coefficient?

4 lines
67.

What is the Variation of Thermo EMF with Temperature?

4 lines
68.

What is the Relation between T_i and T_n?

4 lines
69.

What is Thermo-electric Power?

4 lines
70.

Relation between T_i and T_n.

4 lines
71.

Thermo-electric Power.

4 lines
72.

Figure of Merit.

4 lines
73.

Laws of Thermo-electricity.

4 lines
74.

Law of homogeneous circuits.

4 lines
75.

Law of intermediate metals.

4 lines
76.

Law of intermediate temperature.

4 lines
77.

Expression for Thermo EMF in terms of Temperature of Cold(T_1) and Hot(T_2) Junctions.

4 lines
78.

Thermo-couple and Thermo-pile.

4 lines
79.

Thermocouple.

4 lines
80.

Thermo-pile.

4 lines
81.

Thermo-electric Generators (TEG), Thermo-electric Coolers (TEC).

4 lines
82.

Thermo-electric Coolers.

4 lines
83.

Principle.

4 lines
84.

Construction.

4 lines
85.

Working.

4 lines
86.

Thermo-electric Materials.

4 lines
87.

Low and Near Room Temperature Thermoelectric Materials (<300K and 300K to 500K).

4 lines
88.

Mid Temperature Thermoelectric Materials (500 to 800K).

4 lines
89.

High Temperature Thermoelectric Materials (>800K).

4 lines
90.

Applications.

4 lines
91.

Exhaust of Automobiles - ATEG.

4 lines
92.

Thermoelectric Refrigeration.

4 lines
93.

Space Program - Radioisotope Thermoelectric Generator(RTG).

4 lines
94.

Model Questions.

4 lines
95.

Numerical Problems.

4 lines
96.

Introduction to Production of Low Temperature.

4 lines
97.

Joule-Thomson Effect.

4 lines
98.

Inversion Temperature.

4 lines
99.

Porous Plug Experiment.

4 lines
100.

Thermodynamic Analysis of Joule Thomson Effect.

4 lines
101.

Liquefaction of Gasses by Cascade Process.

4 lines
102.

What are the principles of liquefaction of gases?

4 lines
103.

What is the Pictet process in liquefaction of oxygen?

4 lines
104.

What is Linde’s air liquefier?

4 lines
105.

What are the properties of helium?

4 lines
106.

What is the platinum resistance thermometer?

4 lines
107.

What are the applications of cryogenics?

4 lines
108.

What are the classifications of nanomaterials?

4 lines
109.

What are the types of nanocomposites?

4 lines
110.

What are the applications of nanocomposites?

4 lines
111.

What is X-ray diffraction?

4 lines
112.

What is the Scherrer equation for determining crystallite size?

4 lines
113.

What is atomic force microscopy?

4 lines
114.

What is X-ray photoelectron spectroscopy?

4 lines
115.

What is a scanning electron microscope?

4 lines
116.

What is a transmission electron microscope?

4 lines
117.

What is oscillation?

a)

A repeating motion that occurs when a periodic force acts on the system.

b)

A random motion without any periodic force.

c)

A motion that occurs only in solids.

d)

A motion that is always linear.

118.

What are free oscillations?

a)

Oscillations that occur without the action of an external periodic force.

b)

Oscillations that require an external periodic force.

c)

Oscillations that are always damped.

d)

Oscillations that occur only in fluids.

119.

What is simple harmonic motion (SHM)?

a)

Motion where the restoring force is directly proportional to the displacement.

b)

Motion that occurs in a straight line only.

c)

Motion that is always circular.

d)

Motion that does not involve any forces.

120.

What is the equation for displacement in SHM?

a)

y = A sin(ω0t + φ)

b)

y = A cos(ω0t + φ)

c)

y = A + ω0t

d)

y = A - ω0t

121.

What does the spring constant (k) represent?

a)

The amount of force exerted when a spring is elongated/compressed by unit length.

b)

The total mass of the spring.

c)

The length of the spring.

d)

The energy stored in the spring.

122.

What is natural frequency?

a)

The frequency with which free oscillations occur.

b)

The frequency of forced oscillations.

c)

The frequency of oscillations in a vacuum.

d)

The frequency that is always constant.

123.

What is the effective spring constant for springs in series?

a)

1/k_s = 1/k1 + 1/k2

b)

k_s = k1 + k2

c)

k_s = k1 * k2

d)

k_s = k1 - k2

124.

What is the formula for the time period (T) of oscillations?

a)

T = 1/f

b)

T = f/1

c)

T = 2π/ω0

d)

T = ω0/2π

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