BT-203 (GS) – Basic Mechanical Engineering
• Attempt any five questions.
• All questions carry equal marks.
a)Unit 1Define alloy steel. Explain the effect of alloying elements on steel properties.
Define alloy steel. Explain the effect of alloying elements on steel properties.
b)Unit 1Describe important phases and critical points in the Iron-Carbon diagram with the help of sketch.
Describe important phases and critical points in the Iron-Carbon diagram with the help of sketch.
a)Unit 2Define lathe. Explain the main parts of a lathe machine with neat sketch.
Define lathe. Explain the main parts of a lathe machine with neat sketch.
b)Unit 2List the different types of temperature measuring instruments. Also explain the working of optical pyrometer.
List the different types of temperature measuring instruments. Also explain the working of optical pyrometer.
a)Unit 3Derive Bernoulli's equation for incompressible fluids. Also discuss its physical significance.
Derive Bernoulli's equation for incompressible fluids. Also discuss its physical significance.
b)Unit 3Explain the construction and working principle of a reciprocating pump.
Explain the construction and working principle of a reciprocating pump.
a)Unit 4Define draught. Explain natural draught and its working.
Define draught. Explain natural draught and its working.
b)Unit 4Define the following Statements of second law of thermodynamics: (i) Clausius statement, (ii) Kelvin-Plank statement.
Define the following Statements of second law of thermodynamics: (i) Clausius statement, (ii) Kelvin-Plank statement.
a)Unit 5Explain the Diesel cycle with P-V and T-S diagram. Also Derive the efficiency of the Diesel cycle.
Explain the Diesel cycle with P-V and T-S diagram. Also Derive the efficiency of the Diesel cycle.
b)Unit 5Explain the working of a four-stroke petrol engine with neat sketch.
Explain the working of a four-stroke petrol engine with neat sketch.
a)Unit 1Describe tensile testing and explain stress-strain diagram of ductile materials.
Describe tensile testing and explain stress-strain diagram of ductile materials.
b)Unit 5Define compressor. Explain the working principle of a reciprocating air compressor.
Define compressor. Explain the working principle of a reciprocating air compressor.
a)Unit 4Define boiler. Explain the classification of boilers also explain any one of them.
Define boiler. Explain the classification of boilers also explain any one of them.
b)Unit 3Explain the following: (i) Homogeneous and heterogeneous fluids, (ii) Newton's law of viscosity.
Explain the following: (i) Homogeneous and heterogeneous fluids, (ii) Newton's law of viscosity.
a)Unit 2Explain the construction and working principle of a dial gauge with its applications.
Explain the construction and working principle of a dial gauge with its applications.
b)Unit 1Define modulus of elasticity. Explain Young's modulus, bulk modulus and shear modulus.
Define modulus of elasticity. Explain Young's modulus, bulk modulus and shear modulus.