Basics of thermal and hydraulics engineering
Previous year question paper with solutions for Basics of thermal and hydraulics engineering May-2017
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Question paper 1
SECTION A
Q1. Fill in the blanks:
a. Everything external to the system is called as __________.
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Read moreb. One Bar is equal to __________ N/m2 .
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Read morec. The value of Cp is always __________ than Cv.
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Read mored. In isothermal process, the __________ remains constant.
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Read moree. The efficiency of Otto cycle increase with the __________ in compression ratio.
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Read moref. __________ is a device which compresses the air and raises its pressure.
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Read moreg. The viscosity of liquids __________ with increase in temperature.
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Read moreh. __________ is used to separate dirt and dust from air.
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Read morei. The transfer of heat from sun to earth is by __________.
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Read morej. Under standard atmospheric pressure, water boils at __________.
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Read moreSECTION B
Q2. Attempt any six questions:
I. Explain types of Thermodynamic systems.
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II. Explain the working of single stage reciprocating compressor. With diagram.
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Read moreIII. What are the basic components of hydraulic system?
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IV. What is human comfort?
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V. Write the differences between Heat and Work
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Read moreVI. Derive the relation between Cp and Cv
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Read moreVII. Find the compression ratio of an Otto cycle, if efficiency of Otto cycle is 55% and = 1.5.
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Read moreVIII. Write a short note on air pressure regulator.
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Read moreSECTION C
Attempt any three questions:
Q3. Explain Diesel cycle
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Read moreQ4. What are the different modes of Heat Transfer? Explain with diagrams.
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Read moreQ5. Define any five of the followings:
1. Mass Density
2. Specific Gravity
3. Viscosity
4. Vapour Pressure
5. Cohesion
6. Adhesion
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Q6. Give the statement of followings:
a) Boyle’s Law
b) Charle’s Law
c) Zeroth Law of thermodynamics
d) Pascal Law
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