Summer 2016 Estimating Costing and Contracting Question Paper

***************

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V• EXAMINATION – SUMMER 2016
Subject Code: 3351905  Date:26/05/2016
Subject Name:  Estimating, Costing & Contracting
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.
4.  Use of programmable & Communication aids are strictly prohibited.
5.  Use of only simple calculator is permitted in Mathematics.
6.  English version is authentic.

***************

Q.1 Answer any seven out of ten.14

1.What is factory cost?

2.  Explain the profit/loss at breakeven point.

3.Give five examples of variable cost.

4.Explain the flash loss in forging.

5.Define “book value”.

6.  List three welding consumables.

7.List reasons for Depreciation.

8.  Define costing and estimation.

9.  What is economic batch quantity?

10.Explain “rate contract”.

Q.2  (a)  List and explain the assumptions made in breakeven analysis.   03

OR

(a)  Explain procedure for constructing breakeven chart.  03

(b)  ‘Breakeven analysis is a management tool’-Explain it.  03

OR

(b)  Drive relation for profit-volume ratio.  03

(c)  What is ‘margin of safety’ in breakeven analysis?  04

OR

(c)Discuss effect of various parameters on the breakeven point.   04

(d)  Fixed cost in a factory is Rs 10,000 per year, the variable costs are 2.00 Rs per unit and the selling price is Rs 4.00 per unit, Calculate Breakeven point.   04

OR

(d)  Fixed cost of a firm is estimated as Rs. 5.00 lacs. The firm is selling a product manufactured by it at a rate of Rs 50 per item. The variable cost/unit are estimated at Rs 25. Determine (i) breakeven point in units (ii) breakeven point in rupees.  04

Q.3  (a) Explain how cost of a forged component is estimated.   03

OR

(a) Drive formula for finding machining time for shaping operation.   03

(b)  Determine formula for economic batch quantity.   03

OR

(b)  Explain (1) cutting speed (2) depth of cut (3) over travel  03

(c)Explain the procedure of estimating the cost of machined part.   04

OR

(c) List and explain benefits of budget.  04

(d) Estimate the time required for cutting 3 mm pitch threads on a mild steel bar of 2.8 cm dia. and 8 cm long. Assume the cutting speed for threading as 15 m/min  04

OR

(d)  Find the time required to drill 6 holes in a casted flange each of 1 cm depth, ifthe  hole  dia  is  1.5cm.Assume  cutting  speed  as  20  m/min  and  feed  as  0.02 cm/rev.  04

Q.4  (a)  Give definition of contract and list various types of contracts.  03

OR

(a)  What is tendering? Explain its types.  03

(b)  Write short note on Pattern Allowances.  04

OR

(b)  Explain cost estimation in (any one)

(1) Diesel generating set   (2) ice plant   04

(c) List and discuss different methods of overhead allocation.   07

Q.5  (a)  Explain cost estimation in gas cutting.   04

(b)  Explain cost estimation steps in arc welding.  04

(c)  Explain cost estimation in foundry.  03

(d)  Discuss the skills required for an engineer to become good cost estimator.  03

***************