assignment, Mechanical Engineering

Assignment Help:
AskTask 2 (3 questions)
Material engineers should be conversant of various materials, their properties, manufacturing
process involved, environmental issues, monetary issues and more.
Your Task
1. Which chromium plating is more eco-friendly – trivalent or Hexavalent? Justify your
answer in the light of environmental issues caused. [10 Marks, 400 words]
2. Explain why tempering cycle is essentially required in the heat treatment of high tensile
carbon steel and what are the consequences if tempering cycle is not carried out? [10
Marks, 400 words]
3. What are the essential criteria for selecting materials required for the following operating
functions? [20 Marks, 700 words]
(a) Turbine blades which endures vibrations and saline conditions
(b) Domestic utensils used in kitchen
(c) Aircraft body to go undetected in radars
(d) Dental braces used in medical field
(e) Rocket Chambers of space shuttles. question #Minimum 100 words accepted#

Related Discussions:- assignment

Three forces act on particle - mechanics, Three forces act on particle: ...

Three forces act on particle: Thr ee forces act on particle ' O ' as shown in the figure given below. Determine the value of ' P ' such that resultant of these three forces

Fifth service and sixth service-mandatory checks , Fifth Service and Sixth ...

Fifth Service and Sixth Service Following extra mandatory checks are required during the fifth service of a 125 cc motorcycle : Inspect engine oil and top up as re

Limitations of resistance welding, Limitations of resistance welding ...

Limitations of resistance welding 1). Pressure - tight joints are achieved only with flash butt welding. Resistance welding is not recommended for high pressure joints a

What is pre-fabricated buildings, Q. What is Pre-fabricated buildings? ...

Q. What is Pre-fabricated buildings? Buildings: Pre-fabricated buildings shall be as per specification GS-904-0520 and, when provided, conceptual drawings prepared by Engine

Explain the difference between si and ci engines, Difference between SI and...

Difference between SI and CI engines SI engine stands for spark ignition engine while CI engine stands for compression ignition engine. SI engine works on the principle of w

What is drilling machine, What is drilling machine The machine used for...

What is drilling machine The machine used for drilling is called drilling machine. The drilling operation can also be accomplished in lathe, in which the drill is held in ta

Thermal, mean effective pressure of dual cycle

mean effective pressure of dual cycle

the log and the ramp, A 228 kg log is pulled up a ramp by means of a rope ...

A 228 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of ki

Calculate the standard time, a) The total estimated time for an operation i...

a) The total estimated time for an operation ie assembly of a pin is 2 minutes. If the rating is 120% determine normal time. If total allowances allowed are 10% for that job, calcu

Dryness fraction, how do you differentiate between wet steam and dry steam?...

how do you differentiate between wet steam and dry steam?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd