XXXXXXXXXXEngineering, Technology and the EnvironmentReferral Work Reassessment: Single...

Question

XXXXXXXXXXEngineering, Technology and the Environment Referral Work Reassessment: Single reassessment package Word count: N/A Work required: You should attempt ALL questions in part A AND part B ....

1 answer below »

XXXXXXXXXXEngineering, Technology and the Environment
Referral Work

Reassessment: Single reassessment package

Word count: N/A

Work required:
You should attempt ALL questions in part A AND part B.
PART A: Engineering Technology and Materials
Q1 Give the formula for the hoop stress in a pipe, and use it to estimate the hoop stress (in MPa) in a PWR nuclear pressure vessel, which is 8m in diameter, with a wall thickness of 300mm, and operates at 170bar water pressure.
[15 marks]
Q2 For the beams shown below determine the reactions at the supports.

[15 marks]
Q3 The following results were obtained in a uniaxial tensile test for a metal sample with a 25.0 mm gauge length of 12.5 mm diameter,

Ext.
mm

.03

.04

.063

.067

.075

0.15

0.63

1.15

1.87

3.12

3.5

4.0

load
KN

12

20

24

28.8

32.5

33.4

63.0

79.8

93.0

101

99.0

80.0

Plot the engineering stress-strain curve, and estimate the yield stress, Young's modulus, and ultimate tensile strength for this batch of material.

[20 marks]
PART B: Environment and Society
Answer the following questions, in your own words. Marks will not be awarded where reference sources have been used inappropriately.
Q1 Explain, with the aid of a diagram, the phenomenon known as the ‘greenhouse effect’ and describe how human activity has influenced this effect.
[10 marks]
Q2 Identify key sources of CO₂, SO₂ and NO_x gas emissions in both the energy generation and transport sectors and describe strategies for their reduction.
[15 marks]
Q3 Summarize the renewable energy sources available for electricity generation, giving brief details of the mode of operation for each.
[10 marks]
Q4 State, with justification, which of the source(s) identified in Q3 you think would be most appropriate for the UK.
[15 marks]

Submission Deadline:

9^th August 2012

Hand in details (if applicable):

N/A

Module Leader:

Oliver Lewis

Contact details:

Materials and Engineering Research Institute,
Sheffield Hallam University,
Howard Street,
Sheffield.
S1 1WB
Tel: XXXXXXXXXX
Email: XXXXXXXXXX

Please note that work may also be posted by, no later than the deadline date and time, by Recorded Delivery, so that its journey can be tracked. Please keep any receipts obtained as proof of posting.
Please submit a cover sheet with your work - Helpdesk link

and post to:
Sheaf Reception: Sheffield Hallam University, Howard Street, Sheffield, S1 1WB

005_xwr08pk-0wgj22v0.docx

Answered Same Day Dec 20, 2021

Robert · Accepted Answer

Details of referral work
 
16-4500 Engineering, Technology and the Environment 
Referral Work 
Reassessment:   Single reassessment package 
Word count: N/A 
Work required:    
 
You should attempt ALL questions in part A AND part B. 
 
PART A: Engineering Technology and Materials 
 
Q1 Give the formula for the hoop stress in a pipe, and use it to estimate the hoop 
stress (in MPa) in a PWR nuclear pressure vessel, which is 8m in diameter, with a 
wall thickness of 300mm, and operates at 170bar water pressure.  
                                                                                          [15 marks] 
                                                                                 
Q2 For the beams shown below determine the reactions at the supports.   
       
 
                                                                                         [15 marks] 
 
Q3 The following results were obtained in a uniaxial tensile test for a metal sample 
with a 25.0 mm gauge length of 12.5 mm diameter,  
 
Ext. 
mm 
.03 .04 .063 .067 .075 0.15 0.63 1.15 1.87 3.12 3.5 4.0 
load 
KN 
12 20 24 28.8 32.5 33.4 63.0 79.8 93.0 101 99.0 80.0
Plot the engineering stress-strain curve, and estimate the yield stress, Young's 
modulus, and ultimate tensile strength for this batch of material. 
                                                [20 marks] 
 
 
 
 
 
 
PART B: Environment and Society 
 
Answer the following questions, in your own words. Marks will not be awarded 
where reference sources have been used inappropriately. 
 
Q1 Explain, with the aid of a diagram, the phenomenon known as the 
‘greenhouse effect’ and describe how human activity has influenced this effect. 
[10 marks] 
 
Q2 Identify key sources of CO2, SO2 and NOx gas emissions in both the energy 
generation and transport sectors and describe strategies for their reduction. 
[15 marks] 
 
Q3 Summarize the renewable energy sources available for electricity generation, 
giving brief details of the mode of operation for each. 
[10 marks] 
 
Q4 State, with justification, which of the source(s) identified in Q3 you think 
would be most appropriate for the UK. 
[15 marks] 
 
 

Submission Deadline: 9th August 2012 
Hand in details (if applicable): N/A 
Module Leader: Oliver Lewis 
Contact details: Materials and Engineering Research 
Institute, 
Sheffield Hallam University, 
Howard Street, 
Sheffield. 
S1 1WB 
  
Tel:         0114 225 4074 
Email:    o.lewis@shu.ac.uk 
Please note that work may also be posted by,

XXXXXXXXXXEngineering, Technology and the Environment Referral Work Reassessment: Single reassessment package Word count: N/A Work required: You should attempt ALL questions in part A AND part B ....

Solution

Answer To This Question Is Available To Download

Related Questions & Answers

Submit New Assignment