STUPIDSID
Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a)
Draw neat diagrams of :
i) Ball bearing and
ii) Disc brake.
i) Ball bearing and
ii) Disc brake.
6 M
1(b)
Define the following mechanical properties of material: Strength, Toughness, Hardeness, Creep, Palsticity, and Elasticity.
6 M
2(a)
Draw sketches of V belt derive, chain drive and spur gear drive.
6 M
2(b)
Compare mechanism and machine (four points). Draw a scehmatic sketch of reciprocating compressor.
6 M
Solve any one question from Q.3(a,b) & Q.4(a,b)
3(a)
What is sand casting process? Draw neat sketch of sand casting process setup and explain steps involved in the process.
7 M
3(b)
Draw a block diagram of a radial drilling machine and explain tapping operation with sketch.
6 M
4(a)
Draw neat sketch of soldering process setup. Explain the process in brief. State application of the process.
6 M
4(b)
Draw a block diagram of lathe machine. Explain function of headstock, tailstock and carriage.
7 M
Solve any one question from Q.5(a,b,c) & Q.6(a,b,c)
5(a)
State any two statements and limitations of first law of thermodynamics.
4 M
5(b)
Draw schematic sketches of :
i) Barometer
ii) U-Tube Manometer
iii) Thermocouple
Iv) Isolated system.
i) Barometer
ii) U-Tube Manometer
iii) Thermocouple
Iv) Isolated system.
4 M
5(c)
A fish freezing plant is to be maintained at -10 degree C. If power required to drive the that plant is 30 KW and COP of refrigeration system is 3. Find:
i) heat sucked (absorbed) form the freezing plant and
ii) heat rejected to the surrounding. Draw sketch of the system.
i) heat sucked (absorbed) form the freezing plant and
ii) heat rejected to the surrounding. Draw sketch of the system.
5 M
6(a)
Explain the following:
i) System, surrounding and boundary
ii) Kelvin Plank's statement of second law of thermodynamics.
i) System, surrounding and boundary
ii) Kelvin Plank's statement of second law of thermodynamics.
4 M
6(b)
Draw sketches of heat pump and refrigerator system Derive the relation between COP of Heat Pump and COP of Refrigerator.
4 M
6(c)
The pressure of kerosene flowing through a pipe is to be measured with simple U-tube mercury manometer. Left arm of U-tube is connected to pipe while right arm of the U-tube is open to atmosphere. Calculate the absolute pressure of the kerosene in pipeline and mercury level in right-arm above datum when kerosene evel in left arm is 60 cm above datum. Draw the sktech of the setup. Given: Atmospheric Pressure = 10m of water column
Gauge Pressure of kerosene = 22kPa
Acceleration due to gravity, g = 9.81 m/s2
Specific gravity of the kerosene = 0.8
Density of mercury = 13600 kg/m3
Gauge Pressure of kerosene = 22kPa
Acceleration due to gravity, g = 9.81 m/s2
Specific gravity of the kerosene = 0.8
Density of mercury = 13600 kg/m3
5 M
Solve any one question from Q.7(a,b) &Q.8(a,b)
7(a)
Draw a sketch of wind power plant. Explain energy transfer extraction in the power plant and state its limitations.
6 M
7(b)
Draw neat sketch of four stroke cycle spark ignition engine. Compare two stroke and four stroke cycle engines. (Four Imp Points).
6 M
8(a)
Draw a sketch of hydro-electric power plant. Explain energy transfer (extraction) in the power plant and state its limitations.
6 M
8(b)
Explain construction and working of centrifugal pump.
6 M
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