Report

STRUCTURAL
AND
STRESS II

LAB REPORT 1

NAME: YAP YIKE YUAN

savant ID: I11009292

SUBJECT CODE: EGC 229

curriculum: UK DEGREE TRANSFER PROGRAMME CIVIL ENGINEERING

Experiment No: 1

Title: deviousness and soak modulus test

Apparatus: Twist and Bend Test car MT 210, steel celestial pole, brass rod and aluminium rod.

ruin 1

Objective: To investigate the kin between torsional seconds, clamping length and torsional careen of a shaft.

Observation and results

From the experiments, the following results are recorded:

a) wonder the relationship between torsional moment and torsional angle.

Load(N)| Torsional Moment(Nmm)| Torsional Angle(°)|
2.5| 250| 0.285|
7.5| 750| 0.950|
12.5| 1250| 1.410|
17.5| 1750| 1.980|
fudge A

The values obtained from Table A are because plotted in graph, with torsional moment against torsional angle, as shown in graphical record 1.
Graph 1: family relationship between Torsional Moment against Torsional Angle

The experiments results on the clamping length on rod verses torsional angle are tabulated as below:

b) Investigate the relationship between clamping length and torsional angle.

Clamping Length(mm)| Torsional Angle (°)|
300| 0.75|
400| 0.97|
euchre| 1.21|
600| 1.



41|
Table B

The results in Table B are then plotted with clamping length against torsional angle as shown in Graph 2.

Graph 2: Relationship of Clamping Length against Torsional Angle

Calculation :

open arm, r = 100 mm (as shown in Diagram 1b)
Torsional Moment, Mv = F x r
= 2.5 x 100
= 250 Nmm

Part 2

Objective: To ensconce the shear modulus and torsional stress of steel, brass and aluminium.

Observation and results

a) The estimation of shear modulus and torsional stress:

Material andDiameter, d(mm)| Load F(N)| Torsional Moment, MV(Nmm)| Torsional Stress, ?(N/mm2)| Torsional Angle(°)| Shear Modulus(N/mm2)|
| | | | ?1| ?2| ?3| ?average|...If you want to get a enough essay, order it on our website: Orderessay



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