Download GTU B.Tech 2020 Summer 4th Sem 2140907 Applied Thermal And Hydraulic Engineering Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 2140907 Applied Thermal And Hydraulic Engineering Previous Question Paper

Seat No.: ________
Enrolment No.___________


GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 2140907 Date:26/10/2020
Subject Name: Applied Thermal and Hydraulic Engineering
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.
Q.1 (a) List the main component of Steam Power Plant and Describe the function of
03
a condenser in steam power plant.

(b) Explain briefly the various modes of Heat Transfer with example.
04

(c) Explain with T-S and p-V diagram of Brayton cycle for Gas turbine Power
07
plant.


Q.2 (a) Define Co-efficient of performance and 1 Ton of refrigeration (TR).
03

(b) In a constant pressure open cycle gas turbine air enters the compressor a 1
04
bar and 17 where it is compressed to a pressure ratio of 7. The gases enter
the gas turbine at 740 and expand to original pressure. Calculate Turbine
work output and Compressor work Input. Assume, =1.4. Cp=1.0 kj/kg k for
air & gases Neglect the mass of fuel.

(c) Describe the simple vapour compression refrigeration system with T-S and
07
P-H Diagram.


OR


(c) Explain working of Rankine cycle with its P-V, T-S and h-s diagrams.
07

Q.3 (a) Define Natural and force convection.
03

(b) State and derive Fourier's law of conduction heat transfer.
04

(c) Deduce the expression for conduction heat transfer through a composite wall.
07


OR

Q.3 (a) Define absorptivity, reflectivity and transmissivity.
03

(b) Explain different types of fins and their application.
04

(c) Explain with neat diagram, the arrangement and working of parallel flow heat
07
exchanger.
Q.4 (a) Define the term: Specific gravity, kinematic viscosity, mass density.
03

(b) Explain the Pascal's law with usual notation.
04

(c) Classificati
on of manometers and explain U-tube differential manometer.
07

OR

Q.4 (a) List the assumptions which are made while deriving Bernoulli's equation.
03

(b) Explain the surface tension.
04

(c) Deduce the Euler's equation of motion along a stream line.
07

Q.5 (a) Classification of reciprocating pump.
03

(b) Define NPSH? State its importance.
04

(c) Explain with neat sketch the function of main component of centrifugal
07
pump.


OR
Q.5 (a) Define hydraulic turbine and classify hydraulic turbine.
03
(b) Explain draft tube and its importance.
04
(c) Explain with neat sketch the Kaplan turbine.
07
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