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GATE 2011 thermodynamic questions solutions of morning slot (set 1)
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GATE 2011 Previous year Questions of Thermodynamics of morning slot (set 1 )

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

U
Unacademy user
  1. GATE Previous years Thermodynamics questions GATE 2011 Thermodynamics solved questions set 1 By Rutuja Bothara


  2. RUTUJA BOTHARA . Perusing B.Tech in Mechanical Engineering from Vellore Institute of Technology, Vellore. (2015-2019) e 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. Heat and work are (A) Intensive properties (B) Extensive properties (C) Point functions (D) Path functions


  4. The contents of a well insulated tank are heated by a resistor of 232 in which 10 A current is flowing. Consider the tank along with its contents as a thermodynamic system. The work done by the system and the heat transfer to the system are positive. The rates of heat (Q), work (W) and change in internal energy (AU) during the process in kW are (A) Q 0, W2.3, AU+2.3 (B) Q+2.3, W0, AU +2.3 (C) Q-2.3, W0, AU 2.3 (D) Q 0, W 2.3, AU2.3


  5. Heat rans fe s given as te hal .energy is usinj


  6. The values of enthalpy of steam at the inlet and outlet of a steam turbine in a Rankine cycle are 2800 k]/kg and 1800 kJ/kg respectively. Neglecting pump work, the specific steam consumption in kg/kW-hour is (A) 3.60 (B) 0.36 (C) 0.06 (D) 0.01


  7. Specific tutbine work,'s recific Steam cansurrip tion 3600- = 3600


  8. The crank radius of a single - cylinderl, C. engine is 60 mm and the diameter of the cylinder is 80 mm. The swept volume of the cylinder in cm3 is (A) 48 (B) 96 (C) 302 (D) 603


  9. Crank radiusGo mo SwePt length by piston (L)=2R Suwept Voluma is L4 3


  10. 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 fluid is 1.4. The approximate final temperatures in Kelvin at the end of the compression and expansion processes are respectively (A) 500 and 900 (B) 900 and 500 (C) 500 and 500 (D) 900 and 900


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