Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER–IV (NEW) EXAMINATION – SUMMER 2022
Subject Code:3140911 Date:23-06-2022
Subject Name:Economics for Engineers
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Simple and non-programmable scientific calculators are allowed.
Q.1
(a)
Define Engineering Economics. What is the scope of Engineering Economics?
03
(b)
Explain Variable cost.
04
(c)
Discuss different problems come in the way of Good Decision Making.
07
Q.2
(a)
Explain Opportunity Cost with suitable example.
03
(b)
What is Simple Interest and Compound Interest.
04
(c)
State types of Cost estimating Models. Explain Power-sizing Model.
07
OR
(c)
Write note on Time value of Money with suitable example.
07
Q.3
(a)
What is Cash Flow?
03
(b)
Explain Per unit Model of Cost estimating.
04
(c)
Explain the application of Single-Payment Present Worth Amount Interest Formulas.
07
OR
Q.3
(a)
State the different methods of Debt repayment.
03
(b)
What is the difference between Marginal Cost and Marginal Revenue?
04
(c)
Explain the application of Equal-Payment Series Compound Amount Interest
Formulas.
07
Q.4
(a)
What is Salvage value?
03
(b)
Define Inflation. What are the different types of Inflation?
04
(c)
Explain Sensitivity Analysis.
07
OR
Q.4
(a)
What are the different types of Price Indexes?
03
(b)
What is the use of Price Indexes in Engineering Economic analysis?
04
(c)
Explain Future worth Analysis.
07
Q.5
(a)
What is the importance of Internal Rate of Return method?
03
(b)
What is the difference between Inflation and Deflation?
04
(c)
Write note on Present Worth Analysis.
07
OR
Q.5
(a)
What is Life Cycle Costs?
03
(b)
State different steps for Effective Decision Making Process.
04
(c)
Explain Breakeven Analysis.
07
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