Basics of thermal and hydraulics engineering
Previous year question paper with solutions for Basics of thermal and hydraulics engineering Dec-2017
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Question paper 1
SECTION-A
Q1. Fill in the blanks.
a. Hydraulic jack works on the principle of ……………………………
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Read moreb. Mass per unit volume of a fluid is known as ………………………..
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Read morec. ………………… is called the heart of the hydraulic system.
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Read mored. COP stands for ……………………..
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Read moree. One bar is equal to ………….. N/m2 .
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Read moref. The viscosity of liquids ………………… with increases with temperature.
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Read moreg. Pumps are used to convert kinetic energy into ……………. Energy.
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Read moreh. Constant volume cycle is also called ………………….
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Read morei. Boyle’s law is applicable when ……………… is kept constant.
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Read morej. Constant pressure cycle is also called ……………………
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Read moreSECTION-B
Q2. Attempt any five questions.
i. Explain types of thermodynamic systems.
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Read moreii. What are the basic components of hydraulic system?
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Read moreiii. What are the advantages of multistage compressors over single stage compressors?
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Read moreiv. Explain the zeroth law of thermodynamics. Also give its practical applications.
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Read morev. Explain Boyle’s law and Charles’s law
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Read morevi. Describe Surface tension, Capillarity and Viscosity
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Read morevii. What is human comfort?
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Read moreviii. Explain in brief the various components of air conditioned system and their functions
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Read moreSECTION-C
Q3. Attempt any three questions.
a. Explain with the help of neat sketch construction and working of reciprocating air compressor?
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Read moreb. Write a short note on:
i. Isothermal process
ii. Throttling Process
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c. Explain the different modes of heat transfer?
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Read mored. Derive the expression for efficiency of diesel cycle
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Read moree. Write short note on:-
i. COP and rating of refrigeration machines
ii. Second law of thermodynamics
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