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  1. Exams
  2. GATE ME
  3. Fluid Mechanics and Thermal Sciences
  4. Applications
hard5 marks

Applications

18 Topics
25h prep
21% subject weight
18 Topics
1

Power Engineering

Steam and gas power plants basics.

1m3/10
📌 Key FormulaRankine efficiency
2

Air and gas compressors

Reciprocating and centrifugal, work input.

1m4/10
📌 Key FormulaIsentropic work for compressor
3

Vapour and gas power cycles

Rankine, Otto, Diesel, Brayton.

2m4/10
📌 Key Formulaη_Rankine = 1 - T_rej / T_add approx
4

Concepts of regeneration and reheat

Improve Rankine efficiency.

1m4/10
📌 Key FormulaBleed for feed heating
5

I.C. Engines

Four-stroke, two-stroke, SI/CI differences.

1m3/10
📌 Key FormulaThermal efficiency
6

Air-standard Otto

Constant volume heat addition cycle.

1m3/10
📌 Key Formulaη = 1 - 1/r^{γ-1}
7

Diesel and dual cycles

Constant pressure and mixed cycles.

1m3/10
📌 Key Formulaη_Diesel = 1 - (1/r^{γ-1}) (ρ^γ -1)/(γ(ρ-1))
8

Refrigeration and air-conditioning

Vapour compression cycle basics.

1m3/10
📌 Key FormulaCOP = Q_L / W
9

Vapour and gas refrigeration and heat pump cycles

VCC, absorption, gas cycles.

1m4/10
📌 Key FormulaCOP_ref = T_L / (T_H - T_L) Carnot
10

Properties of moist air

Humidity, dew point, wet bulb.

1m3/10
📌 Key FormulaSpecific humidity ω = 0.622 Pv / (P - Pv)
11

Psychrometric chart

Graphical tool for air conditioning processes.

1m3/10
📌 Key FormulaProcesses: horizontal sensible, etc.
12

Basic psychrometric processes

Heating, cooling, humidification, mixing.

1m3/10
📌 Key FormulaMixing: mass weighted
13

Turbomachinery

Euler's equation, velocity triangles.

1m4/10
📌 Key FormulaWork = U2 Vw2 - U1 Vw1
14

Impulse and reaction principles

Pressure drop location.

1m4/10
📌 Key FormulaDegree of reaction
15

Velocity diagrams

Inlet and outlet for turbomachines.

1m4/10
📌 Key FormulaWork from whirl velocity change
16

Pelton-wheel

Impulse turbine for high head.

1m3/10
📌 Key FormulaOptimal speed ratio 0.46
17

Francis and Kaplan turbines

Reaction turbines for medium and low head.

1m3/10
📌 Key FormulaDegree of reaction
18

Steam and gas turbines

Impulse and reaction stages, compounding.

1m4/10
📌 Key FormulaBlade efficiency