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Subject:- Farm Power and Engine System
(AE501)
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Exam
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Regular
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Level
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BE
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Full Marks
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80
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Program
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B. Agri
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Pass mark
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32
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Year/part
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II/I
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Time
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3 hrs
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ü Candidates are required to give their answer in their
own words as far as practicable.
ü Attempt All questions.
ü The figures in the margin indicate Full marks.
ü Assume suitable data if necessary.
1.
Discuss the
application of solar energy in Agricultural farm. [6]
2.
List out the
animal power harnessing equipments. Discuss the design parameter for animal
harness. [2+4]
3.
Classify the
internal combustion Engines. [4]
4.
Explain the
working mechanism of four stroke compression ignition engine with theoretical PV
diagram. [6]
5.
Define SFC, IP,
BP and thermal efficiency. [3]
6.
A four stroke
petrol engine delivers 35KW with a mechanical efficiency of 70%. The fuel
consumption of the engine is 0.45kg/kw.hr and the A/F ratio is 14:1. The
heating value of the fuel is 42000 KJ/Kg. Find the indicated power, frictional
power, brake thermal efficiency, fuel consumption per hour and air consumption
per hour. [7]
7.
Show the value
operating diagram with neat sketch and list out its components. [4]
8.
What is air
cleaner? Explain its types in detail. [6]
9.
What is the
purpose of cooling system of IC engine? Explain about forced circulation method
with net sketch. [6]
10.
What are the
causes of pre-ignition and ignition delay? [3]
11.
Discuss the main
functions of governor. Write down the types of lubricating system and describe
about any one of them with a neat sketch. [4+6]
12.
What are the essential
properties of fuel used in IC Engines? Explain the working principle of
carburetor. [5+5]
13.
Describe the
components of self starting system. How will you select engines for farm
operations? [5+4]
***
Source:-
Department of agricultural engineering, Technical support:-
Paudelpadamprasad
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