Exam Details
Subject | Heat Power Technology | |
Paper | ||
Exam / Course | Diploma in Civil Engineering (DCLE) | |
Department | School of Engineering & Technology (SOET) | |
Organization | indira gandhi national open university | |
Position | ||
Exam Date | December, 2016 | |
City, State | new delhi, |
Question Paper
1. Attempt all seven parts
In a four-stroke engine, the working cycle is completed in
One revolution of the crank-shaft
Two revolutions of the crank-shaft
Three revolutions of the crank-shaft
Four revolutions of the crank-shaft
A petrol engine has compression ratio from
6 to 10
10 to 15
15 to 25
25 to 40
The number of instantaneous centres for a mechanism consisting of n links is
n/2
n
n(n
Two pulleys of diameters d1 and d2 and at distance x are connected by means of an open belt drive. The length of the belt is
Which of the following is not related to a spark ignition engine?
Ignition coil
Spark plug
Distributor
Fuel injector
A spark plug gap is kept from
0.3 to 0.7 mm
0.2 to 0.8 mm
0.4 to 0.9 mm
0.6 to 1.0 mm
When the sleeve of a porter governor moves upwards, the speed of the governor
increases
decreases
remains unaffected
None of these
Explain the working of four-stroke compression ignition engine with the help of a neat sketch.
Define the following terms
Stroke
Swept Volume
Total Cylinder Volume
Compression Ratio
Mean Effective Pressure
A six-cylinder two-stroke engine produces a torque of 1100 Nm at a speed of 2100 rpm. It has a bore of 123 mm and a stroke of 127 mm. What is its bmep
What do you understand by the term carburetion State the function of a carburettor in a petrol engine.
Write the advantages and disadvantages of water cooling systems.
What are the different modes of heat transfer that occur in an Internal Combustion Engine?
5. Power is transmitted by a 5 mm thick open belt drive at a speed of 1700 m1minute. Find the maximum stress developed in the belt when the effective tension developed in the belt should not exceed 6.87 N/mm width of the belt. Angle of lap 8 m =0·3 and the density of the belt material is 9800 N/m^3.
With the help of a neat sketch, explain the working of a battery ignition system.
State the main function of a spark plug. Draw a neat sketch of a spark plug and label its components.
In a four-stroke engine, the working cycle is completed in
One revolution of the crank-shaft
Two revolutions of the crank-shaft
Three revolutions of the crank-shaft
Four revolutions of the crank-shaft
A petrol engine has compression ratio from
6 to 10
10 to 15
15 to 25
25 to 40
The number of instantaneous centres for a mechanism consisting of n links is
n/2
n
n(n
Two pulleys of diameters d1 and d2 and at distance x are connected by means of an open belt drive. The length of the belt is
Which of the following is not related to a spark ignition engine?
Ignition coil
Spark plug
Distributor
Fuel injector
A spark plug gap is kept from
0.3 to 0.7 mm
0.2 to 0.8 mm
0.4 to 0.9 mm
0.6 to 1.0 mm
When the sleeve of a porter governor moves upwards, the speed of the governor
increases
decreases
remains unaffected
None of these
Explain the working of four-stroke compression ignition engine with the help of a neat sketch.
Define the following terms
Stroke
Swept Volume
Total Cylinder Volume
Compression Ratio
Mean Effective Pressure
A six-cylinder two-stroke engine produces a torque of 1100 Nm at a speed of 2100 rpm. It has a bore of 123 mm and a stroke of 127 mm. What is its bmep
What do you understand by the term carburetion State the function of a carburettor in a petrol engine.
Write the advantages and disadvantages of water cooling systems.
What are the different modes of heat transfer that occur in an Internal Combustion Engine?
5. Power is transmitted by a 5 mm thick open belt drive at a speed of 1700 m1minute. Find the maximum stress developed in the belt when the effective tension developed in the belt should not exceed 6.87 N/mm width of the belt. Angle of lap 8 m =0·3 and the density of the belt material is 9800 N/m^3.
With the help of a neat sketch, explain the working of a battery ignition system.
State the main function of a spark plug. Draw a neat sketch of a spark plug and label its components.
Other Question Papers
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- Advanced Survey
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