Enrollment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
Dr. JIVRAJ MEHTA INSTITUTE OF TECHNOLOGY, MOGAR.
B.E. Third Semester
MID SEMESTER EXAMINATION
Date/Day : 06/09/2012
Branch : Mechanical
Sub Code : 131903
Subject : Manufacturing Processes
Time
Max. Marks
: 10:30am to 12:00am
: 30
Instructions:1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Use of scientific calculator is permitted.
4) Indicate clearly, the options you attempt along with its respective question number.
5) Use the last page of main supplementary for rough work.
Q1 (a) With the help of neat sketch explain principal parts of lathe machine. [5]
(b) Explain back gear arrangements with diagram for lathe machine.
[5]
Q2 (a) Enlist the different operation performed on drilling machine. [5]
(b) Explain quick return mechanism of shaper machine with neat sketch. [5]
OR
(b) Explain quick return mechanism of planer machine with neat sketch. [5]
Enrollment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
Dr. JIVRAJ MEHTA INSTITUTE OF TECHNOLOGY, MOGAR.
B.E. Third Semester
MID SEMESTER EXAMINATION
Date/Day : 06/09/2012
Branch : Mechanical
Sub Code : 151902
Subject : Manufacturing Processes
Time
Max. Marks
: 10:30am to 12:00am
: 30
Instructions:1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Use of scientific calculator is permitted.
4) Indicate clearly, the options you attempt along with its respective question number.
5) Use the last page of main supplementary for rough work.
Q1 (a) With the help of neat sketch explain knee and column type milling machine. [5]
(b) Explain back gear arrangements with diagram for lathe machine.
[5]
Q2 (a) Enlist the different operation performed on drilling machine. [5]
(b) Explain slotted arm mechanism of shaper machine with neat sketch. [5]
OR
(b) Explain quick return mechanism of planer machine with neat sketch. [5]
Q3 (a) Difference between shaper and planer. [5]
(b) A steel rod of 50 mm diameter and 150 mm length is to be finished using depth of cut of 2
mm and feed rate of 0.5 mm/rev. It is rotated at 800 rpm. Determinate the material
removal rate, machining time, and cutting speed. [5]
OR
Q3 (a) Find the time required to drill 6 holes of 16 mm diameter each on flange. Assume
thickness = 30 mm, cutting speed =20 meter/min, feed = 0.2mm/rev [5]
flange
(b) Division of 87 by compound indexing. [5]
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Q3 (a) Explain hydraulic mechanism of shaper with neat sketch. [5]
(b) A steel rod of 50 mm diameter and 150 mm length is to be finished using depth of cut of 2
mm and feed rate of 0.5 mm/rev. It is rotated at 800 rpm. Determinate the material
removal rate, machining time, and cutting speed. [5]
OR
Q3 (a) Find the time required to drill 6 holes of 16 mm diameter each on flange. Assume
thickness = 30 mm, cutting speed =20 meter/min, feed = 0.2mm/rev [5]
flange
(b) Find the time required for taking a complete cut on a plate 250mm × 500mm if the cutting
speed is 10 meter/min. The ration of return time to cutting time is 2:3 and feed is
2mm/rev. The clearance at each end is 50 mm. [5]
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Enrollment No.
Enrollment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
Dr. JIVRAJ MEHTA INSTITUTE OF TECHNOLOGY, MOGAR.
B.E. Third Semester
MID SEMESTER EXAMINATION
Date/Day : 06/09/2012
Branch : Mechanical
Sub Code : 131903
Subject : Manufacturing Processes
Time
Max. Marks
: 10:30am to 12:00am
: 30
Instructions:1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Use of scientific calculator is permitted.
4) Indicate clearly, the options you attempt along with its respective question number.
5) Use the last page of main supplementary for rough work.
Q1 (a) With the help of neat sketch explain principal parts of lathe machine. [5]
(b) Explain back gear arrangements with diagram for lathe machine.
[5]
Q2 (a) Enlist the different operation performed on drilling machine. [5]
(b) Explain quick return mechanism of shaper machine with neat sketch. [5]
OR
(b) Explain quick return mechanism of planer machine with neat sketch. [5]
Q3 (a) Explain hydraulic mechanism of shaper with neat sketch. [5]
(b) A steel rod of 50 mm diameter and 150 mm length is to be finished using depth of cut of 2
mm and feed rate of 0.5 mm/rev. It is rotated at 800 rpm. Determinate the material
removal rate, machining time, and cutting speed. [5]
OR
Q3 (a) Find the time required to drill 6 holes of 16 mm diameter each on flange. Assume
thickness = 30 mm, cutting speed =20 meter/min, feed = 0.2mm/rev [5]
flange
(b) Find the time required for taking a complete cut on a plate 250mm × 500mm if the cutting
speed is 10 meter/min. The ration of return time to cutting time is 2:3 and feed is
2mm/rev. The clearance at each end is 50 mm. [5]
----------------------------------------ALL THE BEST---------------------------------------