1,3,5 5. A flat plate subjected to a tensile force of 5 kN is shown in Figure 2. The platematerial is grey cast iron FG 200 and the factor of safety is 2.5. Determine thethickness of the plate.SR155 AN45305 kNFigure 2 4G+9:43 AM9.TKB/ {VoLTEDMM1 ASSIGNMENT...1. (a) What is factor of safety?(b) What is Endurance limit? Draw S-N curve and label the salient points on it.(c) What is the difference between Gerber curve, Soderberg and Goodman lines?(d) State Maximum Distortion energy theory of failure.(e) How will you designate ISO metric fine and coarse threads?2. (a) Explain different types of designs and design methods in machine design.(b) What are the methods of reducing stress concentration?(e) Why theories of failures are important in machine design?(d) What are the factors that affect endurance limit of machine part?(e) What are bolts of uniform strength? Where are they used? Explain with a sketch.3. A cantilever beam of section width 50 mm and depth 150 mm is 1.5 m long. Thisbeam is struck by a load of 1000 N which falls from a height of 10 mm at its free end.Determine maximum deflection, maximum stress, impact factor and maximum loadintensity. Also determine static deflection and static stress. Take E= 2 x 10° N/mm².4. A 5 cm diameter rod, 25 em long is supported at one end as a cantilever (Figure 1)and is subjected to axial tensile load of 15 kN, a bending load of 3 kN and torsionalmoment of 250 N.m. Determine factor of safety at A and B, according to 1. Maximumshear stress theory; 2. Maximum distortion energy theory. Take S,= 320 N/mm².3kNA1SKN5 cm Dia250N-m25 cmFigure IA flat plate subjected to a tensile force of 5 kN is shown in2. The plate5.material is grey cast iron FG 200 and the factor of safety is 2.5. Determine thethickness of the plate.5R15e5 AN-45305 kNFigure 2A transmission shaft carries a pulley midway between the two bearings."6.moment at the pulley varies from 200 N. m to 600 N. m, as the torsional 1.the shaft varies from 70 N. m to 200 N, m. the frequencies of variation of bending andtorsional moments are equal to the shaft speed. The shaft is made of steel FeE 400(aut - 540 MPa and a, -400 MPa}. The corrected endurance limit of the shaft is 200MPa. Determine the diameter of the shaft using a factor of safety of 2.

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5. A fat plate subjected to a tensile force of 5 kN is shown in Figure 2. The plate material is grey cast iron FG 200 and the factor of safety is 2.5. Determine the thickness of the plate. 5R

Elements Of Electromagnetics

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Question

1,3,5

5. A flat plate subjected to a tensile force of 5 kN is shown in Figure 2. The plate
material is grey cast iron FG 200 and the factor of safety is 2.5. Determine the
thickness of the plate.
SR
15
5 AN
45
30
5 kN
Figure 2

4G+
9:43 AM
9.TKB/ {
Vo
LTE
DMM1 ASSIGNMENT...
1. (a) What is factor of safety?
(b) What is Endurance limit? Draw S-N curve and label the salient points on it.
(c) What is the difference between Gerber curve, Soderberg and Goodman lines?
(d) State Maximum Distortion energy theory of failure.
(e) How will you designate ISO metric fine and coarse threads?
2. (a) Explain different types of designs and design methods in machine design.
(b) What are the methods of reducing stress concentration?
(e) Why theories of failures are important in machine design?
(d) What are the factors that affect endurance limit of machine part?
(e) What are bolts of uniform strength? Where are they used? Explain with a sketch.
3. A cantilever beam of section width 50 mm and depth 150 mm is 1.5 m long. This
beam is struck by a load of 1000 N which falls from a height of 10 mm at its free end.
Determine maximum deflection, maximum stress, impact factor and maximum load
intensity. Also determine static deflection and static stress. Take E= 2 x 10° N/mm².
4. A 5 cm diameter rod, 25 em long is supported at one end as a cantilever (Figure 1)
and is subjected to axial tensile load of 15 kN, a bending load of 3 kN and torsional
moment of 250 N.m. Determine factor of safety at A and B, according to 1. Maximum
shear stress theory; 2. Maximum distortion energy theory. Take S,= 320 N/mm².
3kN
A
1SKN
5 cm Dia
250N-m
25 cm
Figure I
A flat plate subjected to a tensile force of 5 kN is shown in
2. The plate
5.
material is grey cast iron FG 200 and the factor of safety is 2.5. Determine the
thickness of the plate.
5R
15e
5 AN-
45
30
5 kN
Figure 2
A transmission shaft carries a pulley midway between the two bearings."
6.
moment at the pulley varies from 200 N. m to 600 N. m, as the torsional 1.
the shaft varies from 70 N. m to 200 N, m. the frequencies of variation of bending and
torsional moments are equal to the shaft speed. The shaft is made of steel FeE 400(a
ut - 540 MPa and a, -400 MPa}. The corrected endurance limit of the shaft is 200
MPa. Determine the diameter of the shaft using a factor of safety of 2.

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