B.Tech. I & II Semester
Examination, June 2023
Grading System (GS)
Max Marks: 70 | Time: 3 Hours
Note:
i) Attempt any five questions.
ii) All questions carry equal marks.
a) Explain the Stress-Strain Diagram for ductile materials with neat sketch?
b) Define the following:
i) Young modulus
ii) Elastic limit
iii) Ultimate point
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Explain the effect of any 8 (eight) alloying element in alloy steel with details.
b) Explain feed mechanism used in a drilling machine.
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Explain the process of Pitot tube for velocity measurement of a Fluid with neat sketch.
b) Explain the method of using Slip Gauge with the neat sketch.
Answer (a): To be posted here.
Answer (b): To be posted here.
a) 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) What is a draft tube? Why is it used in a reaction turbine? Describe with a neat sketch?
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Explain the working and construction of Pelton wheel turbine with neat sketch.
b) Prove that work and heat are the path function.
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Explain the working of Cochran boiler and fusible plug with neat sketches.
b) Derive an expression for the first law of thermodynamics applied to a closed system. Define the internal energy of a system.
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Explain the structure and working of four-stroke diesel engine with a neat sketch?
b) Explain the working principle of the centrifugal compressor.
Answer (a): To be posted here.
Answer (b): To be posted here.
a) Thermodynamic system, properties and state.
b) Working principle of steam Engine.
c) Casting and Patterns
d) Impact testing of materials
Answer: To be posted here.
