TED (21) – 5111 REVISION 2021
Model Question Paper
Tool Design
Time: 3 hours Maximum Marks: 75
PART A
I. Answer all questions in one word or one sentence.
(9x1=9 Marks)
Module outcome Cognitive level
1 List out any two examples for Rigid link M1.01 R
2 List any two forms of thread M1.02 R
3 What is the function of knockouts? M2.01 U
4 How is Stopper Important? M2.01 U
5 List out two examples for Thermoplastics M3.01 R
6 List types of Compression moulds M3.01 R
7 What is Melt Flow Index M3.01 R
8 Give the function of Fixture M4.01 R
9 What is the function of Bushes in a Jig M4.01 R
PART B
II. Answer any 8 questions from the following.
(8x3=24 Marks)
Module outcome Cognitive level
1 Compare piercing and blanking operation M1.03 U
2 Differentiate between Kinematic chain and Kinematic Pair M1.01 U
Calculate the blank diameter to make a steel shell having 80 mm
3 M2.01 A
outer diameter and 3 cm height with 2 mm thick sheet metal
4 List the components of die set M2.01 R
5 Compare theromoplast & thermoset plastic M3.01 U
6 Explain the importance of venting operation M3.03 U
7 Explain pot type transfer molding M3.04 U
8 List any two advantages and one limitations of injection M3.03 R
moulding
9 Give any three advantages of jigs and fixture M4.01 U
Page 1 of 3
10 List different types of Clamps M4.02 R
PART C
Answer all the questions from the following.
(6x7=42 Marks)
Module outcome Cognitive level
Explain following sheet metal cutting operation with diagram
III M1.03 U
i. Coining ii. Lancing iii. Planishing
OR
Compare progressive tool with combination tool with rough
IV M1.04 U
sketches
Write short note on the following terms
a) Kinematic link
V b) Kinematic pair M1.01 U
c) Kinematic chain
d) Mechanism
OR
VI With a neat sketch explain any 4 parameters of a Screw Thread M1.02 U
VII Draw a compound tool with direct knock out M2.02 U
OR
Determine the cutting force for blanking a rectangular piece of size
VIII 50 mm x 30 mm from MS sheet 3 mm thickness. Shear strength of M2.02 A
material is 320 kg/cm2
IX Compare and explain V bending and Edge Bending with diagram M2.03 U
OR
Calculate the bending force for 45o bend in aluminium (shear
X strength-448 N/mm2), 0.25 cm thick and 1.12 m long with a die M2.04 A
opening 8 times the metal thickness. The bend is to be made with V
bending methods
XI Illustrate cold chamber die casting M3.04 U
OR
XII Explain with a neat sketch the working of screw type injection M3.03 U
moulding
XIII Explain the 3-2-1 principle in jigs and fixture M4.01 U
OR
Page 2 of 3
XIV Compare the use of jigs with fixtures M4.01 U
Page 3 of 3
TED (21) – 5111 REVISION 2021
Model Question Paper
Tool Design
Time: 3 hours Maximum Marks: 75
PART A
I. Answer all questions in one word or one sentence.
(9x1=9 Marks)
Module outcome Cognitive level
1 Define Mechanism M1.01 R
2 List any 2 Screw thread forms M1.02 U
3 What is the function of stripper plate in a press tool M2.01 U
4 Define Strip Layout M2.02 R
5 How is blank holder pressure significant? M2.04 U
6 Write any two important properties of plastics M3.01 R
7 How do shrinkage affect injection molding process? M3.02 U
8 What are the requirements of a good clamping system M4.03 R
9 Name any two drilling jigs M4.04 R
PART-B
II. Answer any 8 questions from the following.
(8x3=24 Marks)
Module outcome Cognitive level
1 Explain Curling operation with a neat figure M1.03 U
Determine the punch and die dimension for blanking a round disk
2 of diameter 0.2 cm from MS sheet 2 mm. Shear strength of M2.01 A
material is 278 N/mm2
3 Enumerate the steps involved in design of blanking die M2.01 U
List the type of pilots and methods of piloting operation used in
4 M2.01 R
press tool
5 Explain the phenomenon of spring back in bending operation M2.03 U
6 Explain the need of Gating M3.04 U
7 Compare Hot Chamber with Cold Chamber Die Casting M3.04 U
8 List the types of ejectors used in Injection Moulding M3.01 R
9 List any 3 clamping devices M4.01 R
10 Write about diamond pin locator with diagram M4.02 U
Page 4 of 3
PART C
Answer all the questions from the following.
(6x7=42 Marks)
Module outcome Cognitive level
Write the equation for calculating degree of freedom of a
III mechanism and Calculate the degree of freedom for a four- bar M1.01 U
chain
OR
IV Explain combination die set with a neat sketch M1.04 U
V Explain any 3 types of thread and their application with neat M1.02 U
sketches
OR
VI Draw and Explain Compound die set M1.04 U
VII Illistrate fine blanking with a neat sketch M2.01 U
OR
An L shaped steel component rectangular
piece as in figure is to be made from 3 mm
thick sheet. Sketch the scrap strip layout
VIII and find out the area utilization. M2.02 A
IX Explain clearance requirement in blanking and piercing operation M2.01 U
with a neat diagram
OR
Calculate the blank diameter for making a cup as shown in figure
X M2.04 A
XI Explain with a neat sketch the working of single cavity injection M3.03 U
mould
OR
Illustrate and explain about compression mould for component
XII M3.04 U
showing vertical flash
XIII Explain the components of drilling jig with a neat sketch M4.01 U
Page 5 of 3
OR
XIV Describe about milling fixture with a neat sketch M4.04 U
Page 6 of 3
