DME ASSIGNMENT 2 Design of Joints & Levers

-

 

                            Assignment No. 2

                                      Year: 2025-26

 Program Name : - Mechanical Engg.                Course Name:- DME [316357] 

 Name of Faculty:- Prof. P.P.BHIRUD                   Weightage: 12 Marks

                                 UNIT II : Design of Joints & Levers

CO2: Determine the dimensions of joints & levers

Qu

                                               DESCRIPTION

M

L

EXAM

1

 State the Application of Knuckle Joint

4 M

R

W-25

2

State the Application of Turn Buckle

4 M

R

W-23

3

Draw neat sketch of knuckle joint and state its strength equations with failure diagram in tabular form.

4 M

U,R

S-25

4

Explain the purpose of turn buckle. Explain its design procedure.

6 M

U

S-24

5

State the strength equations of double parallel fillet weld and single transverse fillet weld with neat sketches.

4 M

R,U

S-23,19

6

Define Lever & Leverage  OR

Define lever w.r.t (i) M.A. = 1 (ii) M.A. < 1 (iii) M.A. > 1. Define leverage

2 M

R

W-18

7

Explain the design procedure of hand lever with suitable sketch.

4 M

U

W-15

8

Explain the general design procedure of  bell crank lever with sketch

4 M

R,U

S-19,16

9

Explain three basic types of lever with the help of neat sketches .state two applications of each type

4 M

R,U

W-16

10

A Knuckle joint used to transmit 50 KN . Design the joint if, the permissible stresses are f t = 80 N/mm2, fs = 40 N/mm2, fc = 150 N/mm2.

8 M

A

W-24

11

Design a   Knuckle joint used to transmit 150 KN, if, the permissible stresses may be taken as  75 N/mm2 in tension,60 N/ mm2 in shear, 150 N/ mm2 in compression.

8 M

A

S23,19,18 , W-23

12

The pull in the tie rod of a roof truss is 44 KN. Design a suitable adjustable screw joint . The permissible tensile & shear stresses are 75 MPa & 37.5 MPa respectively.

6 M

A

W-19,S-25

13

Design a Turn Buckle to carry a load of 90 KN. The tie rod and nut are made of same material having the permissible tensile & shear stresses are 75 MPa & 30 MPa respectively. Draw the neat sketch of the joint.

8 M

A

W-25

14

The spindle of a drilling machine is subjected to a maximum load of 10 kN. Determine the diameter of solid C.I. column of the machine, if tensile stress is limited to 40 N/mm2. The distance between axis of spindle and axis of column is 330 mm; also find the direct stress and stress due to bending in the column

.

6 M

A

S-18,12

15

Design ‘‘C’’ clamp frame for a total clamping force of 20 KN. The cross-section of the frame is rectangular and width to thickness ratio is 2. The distance between the load line and natural axis of rectangular cross section is 120 mm and the gap between two faces is 180 mm. The frame is made of cast steel for which maximum permissible tensile stress is 100 N/mm2.

6 M

A

S-23, W-15

16

A bracket as shown in Fig. is fixed to a vertical steel column by means of four standard bolts. Determine the diameter of the fixing bolts. Assume safe working stress of 70 MPa in tension and 50 MPa in shear. 

6 M

A

S-23

17

A plate 100 mm wise and 10 mm thick is to be welded to another plate by means of double parallel fillets. The plates are subjected to a static load of 90  KN .Find the length of weld if the permissible share stress of weld does not exceed 60 MPa.

4 M

A

W-22

18

A plate 75 mm wide and 12.5 mm thick is joined with another plate by a single transverse ,double parallel fillet weld. The max tensile and shear are 70 N/mm2  & 56 N/ mm2 respectively. Find the length of each parallel fillet weld if joint is subjected to 90 KN.

4 M

A

S-24 W-24 ,19

19

Compare welded joints with screwed joints

4 M

U

S-19

20

Two steel plates 10 cm wide & 1.25 cm thick are to be connected together by double transverse fillet weld. For static & dynamic loading, take stress concentration factor 1.5 and tensile stress as 7000 N/cm2 . find the length of weld.

4 M

A

S-22

 

 

 

 

 


 


Popular posts from this blog

ENGINEERING GRAPHICS FIRST YEAR PRACTICAL MANUAL

-
Image
                                       7) Draw two problems on orthographic projections using first angle method of projection having plain surfaces, slanting surfaces and slots etc.-                                                                          (01 Drawing Sheet )                                                                                                                         ...
Read more

QUESTION BANK EDR 312311 SW-1

-
Image
  Assignments & Question BANK  I      Subject : Engineering Drawing   312311         branch : Mechanical engg   QUESTION BANK   SW-1  ME2K                                              SUBJECT : EDR 312311       a)         Line AB, 80 mm long is inclined at 30º to the H.P. and 45º to the V.P. Its end A is 15 mm above the H.P. and 25 mm in front of the V.P. Draw its projections.   b)   A line AP, 75 mm long has its end A in both HP & VP. It is inclined at an angle of 30º to HP & 45º to VP. Draw the projections. c)   With a simple sketch explain 1) removed section. 2) Revolved section d)   I) When line is perpe...
Read more

Practice questions Sub: EDG 312311

-
Image
                            Practice questions   Sub: EDG 312311                                     Projections of Solids a) A hexagonal prism edge of base 25 mm and axis 60 mm long rests on H.P. on an edge of base with that edge perpendicular to V.P. and axis inclined 45° to H.P. and Parallel to V.P. Draw: i) F.V. ii) T.V. b)   A pentagonal pyramid side of base 30 mm and axis length 65 mm is kept on the H.P. on a corner of its base such that axis makes an angle of 30° to the H.P. and parallel to the V.P. Draw its projections.   c) A square pyramid, side of base 35 mm, axis length 65 mm lying on the HP with all edges of bases are equally inclined to V.P .Its Axis inclined at 45 ⁰ to HP and parallel to V.P. Draw its projectio...
Read more