Thermodynamics and Hydraulics Government Polytechnic 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Thermodynamics and Hydraulics
Time allotted: 3 Hours
Max. Marks: 70
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) State and explain classification of system 05
(b) Difference between 05
(i) Heat and work (ii) Intensive property and Extensive property
(c) Define energy and state the forms of energy. 04

Q.2 (a) Explain first law of thermodynamics 07
(b) Explain Kelvin plank statement and Clausius statement of second law of thermodynamics. 07
OR
(b) Write short note on Heat Engine. 07

Q.3 (a) Define and draw the following processes on P-V and T-S diagram 07
(i) Polytropic Process(ii) Isothermal Process (iii)Adiabatic Process
(b) Explain Boyle's law and Charle's law 07
OR
Q.3 (a) Draw and explain P-V and T-S diagram of Carnot cycle and derive the equation of thermal efficiency of Carnot cycle. 07
(b) Explain Otto cycle with P-V and T-S diagram. 07

Q.4 (a) Short note on (i) Differential manometer (ii) Diaphragm pressure gauge 07
(b) List different type of fluid flow and derive continuity equation for steady one dimensional flow. 07
OR
Q. 4 (a) State different flow measuring devices and explain any one of them 07
(b) Short note on (i) Type of flow (ii) Reynold's number 07

Q.5 (a) Derive the equation for force, work done and efficiency of Impact of jet on a moving inclined flat plate. 07
(b) A jet of 6 cm dia. is striking with 21 m/sec on a series of flat plates. If the velocity of the flat plates move with 8 m/sec. calculate the force, work done and efficiency. 07
OR
Q.5 (a) Explain construction and working of centrifugal pump with the help of neat sketch. 07
(b) Write short note on (i) Selection of pump (ii) Single acting reciprocating pump. 07 

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