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Thermodynamics GATE previous year 2 marks solved questions
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In this video we will see some important Thermodynamics GATE previous years 2 marks questions and approach to solve the questions.

RUTUJA Bothara
Strengthen GATE /PSU/ESE/SSC JE/RRB JE /campus Placements preparation. A passionate mechanical engineer -VIT University

U
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1. GATE Previous years Thermodynamics questions Important Two-marks GATE questions By Rutuja Bothara

2. RUTUJA BOTHARA . Perusing B.Tech in Mechanical Engineering from Institute of Technology, Vellore. (2015- Vellore 2019) . Cleared JEE Mains 2015 Cleared VITEEE-2015 with AIR 8718 Cracked HITSEEE-2015 with AIR 91 . Worked as a Career Counsellor in Teachers Academy (2016- 2018) and BOLO app. https://unacademy.com/user/rurutujajb96-9511

3. .An ideal Brayton cycle, operating between the pressure limits of 1 bar and 6 bar, has minimum and maximum temperatures of 300 K and 1500 K. The ratio of specific heats of the working fluic is 1.4. The approximate final temperatures (in K) at the end of the compression and expansion processes are respectively

4. 3 2 4- 1 4

5. . The crank radius of a single-cylinder . C engine is 60mm and the diameter of the cylinder is 80mm. The swept volume of the cylinder in cm3 is

6. stroke length 2x crank radius 2X GO 120 mm Swept volume AxL x (89 x 120 4 03 Cm

7. .The values of enthalpy of steam at the inlet and outlet of a steam turbine in a Rankine cycle are 2800k]/kg and 1800k]/kg, respectively. Neglecting pump work, the specific steam consumption in kg/kW-hour is

8. Hi- 2800 K Work dohe hi-h2 29 oo-18oO ooo kJ kg specific Steam consumption = 3.60 Kg| kW-hr 3600 hi h2 3600

9. .A mono-atomic ideal gas (Y 1.67, molecular weight40) is compressed adiabatically from 0.1 MPa, 300 K to 0.2 MPa. The universal gas constant is 8.314 kJmol-iK1. The work of compression of the gas (in k] kg1) is

10. Ih adiabatic Process Y-1 Y- P2 0.61 T2. T2 = 396.30 k.

11. Consider the following two processes: a. A heat source at 1200K loses 2500kJ of heat to sink at 800K b. A heat source at 800K loses 2000kJ of heat to sink at 500kK Which of the following statements is TRUE? 1 Process I is more irreversible than Process II 2 Process Il is more irreversible than Process I 3 Irreversibility associated in both the processes is equal 4 Both the processes are reversible

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