Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2132905 Basic Engineering In Textile Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2132905 Date: 7/12/2019
Subject Name: Basic Engineering in Textile
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Differentiate between method study and work measurement. 03
(b) Explain predictive maintenance in detail. 04
(c) State and explain Cochran boiler. 07
Q.2 (a) Differentiate between breakdown maintenance and preventive
maintenance.
03
(b) What is flow process chart? Discuss the utility for method study
engineer.
04
(c) By graphical method solve the following LPP
Maximize Z = 2x1+3x2
Subject to, x1 + x2 ? 30
x1 ? 3
x2 ? 12
x1 - x2 ? 0
0 ? x1 ? 20.
07
OR
(c) Find the basic feasible solution of the following transportation
problem by north-west corner rule.
1 2 3 4 5
Availability
A 4 3 1 2 6
80
B 5 2 3 4 5
60
C 3 5 6 3 2
40
D 2 4 4 5 3
20
Requirement 60 60 30 40 10
07
Q.3 (a) What are three time estimates used in context of PERT? 03
(b) Explain humidification by steam injection with neat sketch. 04
(c) Using simplex method solve the LPP
Maximize Z = 15X1+ 6X2+ 9X3+ 2X4
Subject to, 2X1+ X2 + 5X3+ 6X4 ? 20
3X1+ X2 + 3X3+ 25X4 ? 24
7X1+X4 ? 70
X1?0, X2?0, X3?0, X4?0
07
OR
Q.3 (a) Explain humidification and dehumidification. 03
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2132905 Date: 7/12/2019
Subject Name: Basic Engineering in Textile
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Differentiate between method study and work measurement. 03
(b) Explain predictive maintenance in detail. 04
(c) State and explain Cochran boiler. 07
Q.2 (a) Differentiate between breakdown maintenance and preventive
maintenance.
03
(b) What is flow process chart? Discuss the utility for method study
engineer.
04
(c) By graphical method solve the following LPP
Maximize Z = 2x1+3x2
Subject to, x1 + x2 ? 30
x1 ? 3
x2 ? 12
x1 - x2 ? 0
0 ? x1 ? 20.
07
OR
(c) Find the basic feasible solution of the following transportation
problem by north-west corner rule.
1 2 3 4 5
Availability
A 4 3 1 2 6
80
B 5 2 3 4 5
60
C 3 5 6 3 2
40
D 2 4 4 5 3
20
Requirement 60 60 30 40 10
07
Q.3 (a) What are three time estimates used in context of PERT? 03
(b) Explain humidification by steam injection with neat sketch. 04
(c) Using simplex method solve the LPP
Maximize Z = 15X1+ 6X2+ 9X3+ 2X4
Subject to, 2X1+ X2 + 5X3+ 6X4 ? 20
3X1+ X2 + 3X3+ 25X4 ? 24
7X1+X4 ? 70
X1?0, X2?0, X3?0, X4?0
07
OR
Q.3 (a) Explain humidification and dehumidification. 03
2
(b) What is critical path? State necessary and sufficient condition of
critical path.
04
(c) Solve the following assignment problem
P Q R S
T
1 11 17 8 16
20
2 9 7 12 6
15
3 13 16 15 12
16
4 21 24 17 28
26
5 14 10 12 11
13
How should the job can be assigned so that total cost is minimized
07
Q.4 (a) Explain the work sampling with example. 03
(b) Explain the Least cost method briefly with example. 04
(c) Differentiate fire tube and water tube boilers. 07
OR
Q.4 (a) What do you understand by scale and sludge formation in boilers? 03
(b) List down the various techniques of work measurement. 04
(c) A small maintenance project consist of the following jobs, whose
precedence relationships are given below
Job 1-2 1-3 2-3 2-5 3-4 3-6 4-5 4-6 5-6
6-7
Duration
(days)
15 15 3 5 8 12 1 14 3
14
Find the critical path and total project duration.
07
Q.5 (a) Define the boiler. List essential parts of boiler. 03
(b) State the rules of constructing project network in CPM and PERT
method.
04
(c) Describe the algorithm for the solution of assignment problem. 07
OR
Q.5 (a) What are the internal and external feed water treatments of water? 03
(b) What is man and machine chart? How it is to make a method analysis? 04
(c) A project is represented by the network .The activity times are given
below. Determine expected time, variance and critical path
Activity 1-2 1-3 1-4 2-5 2-6 3-5 4-7 5-7 6-7
Optimistic
Time
5 18 26 15 16 6 7 3 7
Most
Likely
Time
8 20 33 20 18 9 10 4 8
Pessimistic
Time
10 22 40 25 20 12 12 5 9
07
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This post was last modified on 20 February 2020