BT-203 (GS) – Basic Mechanical Engineering
• Attempt any five questions.
• All questions carry equal marks.
a)Unit 1Explain the Stress-Strain Diagram for ductile materials with neat sketch?
Explain the Stress-Strain Diagram for ductile materials with neat sketch?
b)Unit 1Define the following:
i) Young modulus,
ii) Elastic limit,
iii) Ultimate point.
Define the following:
i) Young modulus,
ii) Elastic limit,
iii) Ultimate point.
a)Unit 1Explain the effect of any 8 (eight) alloying element in alloy steel with details.
Explain the effect of any 8 (eight) alloying element in alloy steel with details.
b)Unit 2Explain feed mechanism used in a drilling machine.
Explain feed mechanism used in a drilling machine.
a)Unit 2Explain the process of Pitot tube for velocity measurement of a Fluid with neat sketch.
Explain the process of Pitot tube for velocity measurement of a Fluid with neat sketch.
b)Unit 2Explain the method of using Slip Gauge with the neat sketch.
Explain the method of using Slip Gauge with the neat sketch.
a)Unit 3The dynamic viscosity of lubricating oil used between shaft and sleeve is 10 poise. The diameter of the shaft, which rotates at 200 rpm, is 0.5 m. The sleeve length is 100 mm. Calculate the power lost if the thickness of oil film is 2 mm?
The dynamic viscosity of lubricating oil used between shaft and sleeve is 10 poise. The diameter of the shaft, which rotates at 200 rpm, is 0.5 m. The sleeve length is 100 mm. Calculate the power lost if the thickness of oil film is 2 mm?
b)Unit 3What is a draft tube? Why is it used in a reaction turbine? Describe with a neat sketch?
What is a draft tube? Why is it used in a reaction turbine? Describe with a neat sketch?
a)Unit 3Explain the working and construction of Pelton wheel turbine with neat sketch.
Explain the working and construction of Pelton wheel turbine with neat sketch.
b)Unit 4Prove that work and heat are the path function.
Prove that work and heat are the path function.
a)Unit 4Explain the working of Cochran boiler and fusible plug with neat sketches.
Explain the working of Cochran boiler and fusible plug with neat sketches.
b)Unit 4Derive an expression for the first law of thermodynamics applied to a closed system. Define the internal energy of a system.
Derive an expression for the first law of thermodynamics applied to a closed system. Define the internal energy of a system.
a)Unit 5Explain the structure and working of four-stroke diesel engine with a neat sketch?
Explain the structure and working of four-stroke diesel engine with a neat sketch?
b)Unit 5Explain the working principle of the centrifugal compressor.
Explain the working principle of the centrifugal compressor.
Unit 4/5/2/1Write Short note on any two: a) Thermodynamic system, properties and state b) Working principle of steam Engine c) Casting and Patterns d) Impact testing of materials
Write Short note on any two: a) Thermodynamic system, properties and state b) Working principle of steam Engine c) Casting and Patterns d) Impact testing of materials