Estimating Costing and Contracting previous year question paper | 3351905 |

What advantage can you take with gtu previos Exam Papers?

Exams appear to be a mystery to most students but some may find it exciting by looking at it as a competition. They pray about having a perfect dream about the coming test so that they already know it but that is not a reality truth is if you wants to succeed you have to prepare well for the exams.

Studying past papers are a valuable part of exam preparation and help keep revision focused on important themes whilst practicing exam style questions.

One of the simplest ways to prepare for the exams is to manage your study according to a well-defined time table and allot time to every subject. It is a good practice to compare the questions of the examiners because it will give a better idea about what the examiner is looking for in the exam.

 Technique for Studying gtu previos Exam Papers

Most of the universities keep copies of the past exams in their libraries or they can also be accessed from the university websites available on the internet. A good practice is to take past five year papers and, instead of going through the past exam paper year by year, find questions about the same topic and prepare that topic really well. This technique can be very helpful for preparing the exam.

Advantages of Studying gtu previos Exam Papers

One of the most important part of exam preparation is going through past exams. It is important  to revise your entire syllabus quickly. They can provide you the general idea of the upcoming paper and you could easily guess the important topics of a particular subject. Past exam papers give you the idea of number of questions and the available choices. It is therefore necessary for students to give some time to go through the past paper while revising a subject.

Past exam papers are one of the most helpful tools available to prepare for both internal and external examinations as they provides students with practical insight into how the forthcoming exam paper is likely to look and the key themes or subject areas most likely to be covered. Before starting revision for a subject it is always worth taking time to seek out past papers.

Winter 2014 Estimating Costing and Contracting Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–V • Examination – WINTER • 2014
Subject Code: 3351905  Date: 08-12-2014
Subject Name: Estimating Costing and Contracting
Time: 10:30 am - 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.  English version is considered to be Authentic.

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

Q.1  (a)  List methods of overhead allocation .Explain machine hour rate method of overhead allocation.  07

(b)  Define Depreciation and Obsolescence .State types of Depreciation in detail.  07

Q.2  (a)  Define breakeven point and derive expression for BEP analytically.  07

(b)  Calculate selling price of a steel cup board to earn profit of 20%,if prime cost of 3000 cup board is Rs.1,50,000,F.O.H.is 60% of prime cost, office  over head cost is 40% of factory cost, selling over head is 30% of office cost.  07

OR

(b)  List Arc welding cost elements and procedure of cost estimation in Arc welding processes.  07

Q.3  (a)  Four plates each of size 500×250×5 mm are to be gas cut from M.S. plate of size 1000×500×5 mm. Find gas cutting cost for the following data.Oxygen consumption: 5 m3/hr, Acetylene consumption: 2 m3/hr, Cutting speed: 12 m/hr, Cost of oxygen: Rs. 10/m3, Labour cost: Rs. 30/hr, Cost of acetylene: Rs. 25/m3    07

(b)  List and explain pattern allowances.  07

OR 

Q.3  (a)  Estimate the cost of 500 pulleys. Each weigh 8 kg. Use following data.Material cost: Rs.100/kg, Mould prepared per day per moulder: 25, Melting charges: 20 % of material cost, Wages of labour: Rs. 50/day, Ovehead cost: 20 % of material cost.   07

(b)  Define following terms which are linked with machining.(1)  Cutting speed (2) Feed (3) Depth of cut (4) Approach (5) Over travel   07

Q.4  (a)  Define different operations performed on lathe machines and machining time for each operatio n with some figure.  07

(b)  Calculate the boring time for a C.I. cylinder to be machined in a single cut which is 300 mm long and 200 mm internal diameter. Cutting speed is 12 m/min, Feed is 0.25 cm/rev, Approach and over travel is 0.5 cm each, Set up time is 0.5 min.  07

OR 

Q. 4  (a)  Find the weight of 50 m long chain to be made from links of iron rod diameter 1 cm and weigh 6.6 gm/cm. I f the outer dimensions of a link are 10cm and 6 cm.   07

(b)  Give definition of contract and its characteristics.  07

Q.5  (a)  Give provision of different conditions in contract.  07

(b)  Enlist benefits of budget.  07

OR 

Q.5  (a)  A thermal power plant produces 80MW to satisfy the maximum demand. Load factor of plant is 40 %.Estimate power cost per unit for power produced by this plant. Operating cost is Rs. 1.94/ kWh. Take capital cost per kW is Rs. 1800 and interest and depreciation at 12 %.   07

(b)  Write the procedure of estimating cost of power produced by diesel generating set.   07

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

Summer 2015 Estimating Costing and Contracting Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER –  EXAMINATION – Summer 2015
Subject Code: 3351905  Date:19/05/2014
Subject Name: Estimating Costing and Contracting
Time: 2:30 pm to 5:00 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.  Define estimating.

2.  Write equation of finding depreciation by straight line method.

3.  List the elements of cost in gas welding.

4.  Define Breakeven Point.

5.  Explain any two forging operations.

6.  Give the definition of fixed cost and variable cost.

7.  Give the definition of budget.

8.  List different types of tenders.

9.  Write down the equation for finding overhead cost as per unit rate method.

10.  Explain scale loss in forging.

Q.2  (a)  Explain effect on Breakeven Point while increasing the fixed cost.  03

OR

(a)  Write the assumptions made in construction of Breakeven chart.  03

(b)  Derive an equation for Breakeven Point analytically,  03

OR

(b)  The fixed cost of an industry is Rs. 50000 and its production capacity is 1000 units per month if each product is sold at Rs. 600, variable cost per product is Rs. 350, find Breakeven number.  03

(c)  Write down factors affecting arc welding cost.  04

OR

(c)  Estimate the time required for making an open tank of size 25 cm x 25 cm x 25 cm by gas welding, welding is to be done on inner side only. Assuming fatigue allowance is to be 10%, welding speed is 12 minute per meter of welding for 3 mm thick plate.  04

(d)  Define the following terms.  1. Approach 2. Overhead travel 3. Feed 4. Cutting speed.   04

OR

(d)  Estimate the milling time to prepare a square prism from 90 mm long and 40 mm diameter cylinder. Take feed of 25 mm per minute and set up and indexing time assume 15 minute.   04

Q.3  (a)  Write a short note on different types of weight in forging.  03

OR

(a)  Write the procedure for finding direct material cost in foundry.  03

(b)  Explain any two pattern allowances.  03

OR

(b)  Explain any two types of forging in details.  03

(c)  A square bar of 2 cm side and 25 cm length is to be converted by hand forging in to a bar of hexagonal section having each sides = 1 cm, calculate the length of hexagonal bar produced. Consider scale loss to be 7% of total volume.  04

OR

(c)  A round bar of 25 mm diameter and 500 mm length is being converted in to a square bar of 25 mm sides by forging. Considering 5% scale loss only Estimate the length of square bar formed.04

(d)  Calculate the cost of C. I. pulley of 1200 cm3using material cost = Rs. 10 per Kg, wages paid to the worker = 50 per day, density of C. I. = 8 gm per cm3, overhead charges = 20% of material cost, melting charges = 20% of material cost, number of mould prepared = 25 /day / molder.  04

OR

(d)  Find the cost of C. I. pulley of 1000 cm3 .Take cost of cast iron = 25 Rs. / Kg rate of molder = Rs.150/day, over head charges = 10% of material cost, total number of moulds made = 30 / day / molder, density of casting = 7.2 gm / cm3, molding charges = 15% of material cost.   04

Q.4  (a)  A 15 cm long M.S. bar is to be turned from 4cm dia. In a single cut to 3.8 cm dia. For first 5 cm length and to 3.4 cm for next 10 cm length. If cutting speed is 45 m / min and feed is 0.02 cm / rev, and required setting and mounting time of job in three jaw chuck is 45 sec, estimate the total time required for turning.   07

OR

(a)  Estimate the time required to cut 6 threads per cm on a M. S. bar 20 mm diameter for a length of 10 mm. Take cutting speed is 10 meter per minute and assume 6 cuts.  07

(b)  One  ammonia  refrigerant  ice  plant  produce  160  kw  refrigerating  effect. The heat rejection theoretically by evaporator is 1000 KJ / kg. Theoretical compressor input is 185 KJ/kg. Mechanical efficiency of compressor is 85 %.Actual heat absorption in cold chamber is 80 %. If Power cost per unit is Rs. 10 and labor cost is Rs 2000/day and overhead cost = Rs. 5000/day find out ice production rate per kg. Plant is working for 24 hours.   07

Q.5  (a)  List various types of budget. Explain any two in detail.    04

(b)  Write difference between manual tendering and E – tendering.  04

(c)  The market price of a lathe is Rs. 50000.The distributor is given 10 % discount. Selling expenses are equal to factory expenses. If material cost, labor cost and factory over heads are in the ratio of 1:4:2 and material cost is Rs. 4000, find the profit released on the lathe machine.   06

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

Winter 2015 Estimating Costing and Contracting Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V-EXAMINATION – WINTER 2015
Subject Code: 3351905  Date: 16/12/2015
Subject Name: Estimating, Costing & Contracting
Time: 10:30 AM TO 1:00 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.  Define tendering and list the types of tendering.

2.  List the disadvantages of contracting.

3.  Explain unit rate method for overhead allocation.

4.  List the causes of depreciation.

5.  Define forging and list the types of forging.

6.  Explain shrinkage allowance for pattern making.

7.  Write down the importance of cost analysis.

8.  Define budgetary control.

9.  Explain  breakeven point.

10.  Explain variable cost with example.

Q.2  (a)  Write down the difference between estimating   and costing.  03

OR

(a)  Explain Labour contract and Piece rate contrat.  03

(b)  Write down the different welding techniques in gas welding.  03

OR

(b)    List the elements of cost in arc welding.  03

(c)  Find selling price of a steel table if the prime cost 3000 tables is Rs. 1,50,000.Factory overheads are 60% of prime cost, administrative overheads are 40 % of factory cost and selling over heads are 30 % of office cost, and 20 % profit on total cost.   04

OR

(c)  A machine was purchased for Rs. 50,000. It was commissioned on 1st Jan 1992. The erection and installation charges are Rs. 5000.This machine was removed on 31st Dec.2012. And its residual value is Rs. 15000. Find Depreciation rate.   04

(d)  Two 1 meter long M.S. plate of 1 cm thickness are to be welded by a lap joint with 6mm electrode. Calculate the cost of welding. Consider current used = 250 Amp. , voltage = 30 volts, welding speed = 10 m /hr, electrode used = 0.1 kg/m of welding, labour charges = Rs. 5/hr, power charges = Rs. 10/ kW h , cost of electrode = Rs. 40 / Kg , Efficiency of machine = 60 %   04

OR

(d)  A firm produces 1000 pens per day. The material cost is found to be Rs. 1600, the direct labour cost is Rs. 2000 and factory on cost chargeable is Rs. 2500. If the selling on cost is 40% of the factory cost, what must be the price of each pen to release the profit of 14.6% of the selling price.  04

Q.3  (a)  Define (1) Shape weight (2) Net weight (3) Gross weight  03

OR

(a)  List the various types of forging losses and explain any one.  03

(b)  Determine the total cost of 400 pulleys of 1000 cm3 volume .Consider (1) Pattern cost = Rs. 700 (2) Cost of C.I. = Rs. 20/kg (3) Wages of moulder = Rs. 60/day (4) No. of moulds prepared = 25/day/moulder (5) process scrap = 10 % of Net weight (6) Cost of process scrap = Rs. 4/ kg , (7) Melting charges = 20 % material cost (8) Overhead charges = 25 % of material cost

(9) Density of C.I. = 7.8 gm /c.c. find the rate of casting per kg.    07

OR

(b)  100 numbers of rings are to be forged from a soft steel rod of 1 cm diameter. The ring has internal diameter of 8 cm and its outer diameter is 10 cm. If the scale loss is 6% and shear loss 2mm of the length of rod for each ring , find the total material cost if the rod is available at Rs. 3 per meter length.   07

(c)  The total  sales of an industry is Rs. 2,50,000.The fixed cost of the industry is Rs. 60,000 and variable cost is Rs. 1,25,000.Find the breakeven point for the iindustry. Industy.

OR

(c)  Define following terms. (1) Breakeven point (2) Profit – volume ratio (3) Fixed cost (4) Variable cost.  04

Q.4  (a) Explain how will you estimate machine time in case of shaping and planning operation.  03

OR

(a)  Define (1) cutting speed (2) depth of cut (3) over run.  03

(b)  It is required to produce threads of  2mm pitch in a hole of 20 mm dia. and 20 mm depth by tapping. Taking three cuts and cutting speed of 5m/min for M.S. Estimate the tapping time.   04

OR

(b)  A steel rod of 60mm diameter and 120 mm length is to be reduced to 55mm in one cut by turning. Its length is to be reduced to 100 mm. If cutting speed is 25 m/min and feed 0.1mm/revolution, find the time required to finish the job.   04

(c)  Write the procedure of estimating cost of power produced by diesel generating set.  07

Q.5  (a)  State the limitations of break even chart.  04

(b)  List the types of budgets and explain any one in detail.  04

(c)List the modern tools and techniques of cost reduction.   03

(d)  Write a short note on E- tendering.  03

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

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

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

Winter 2016 Estimating Costing and Contracting Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V • EXAMINATION – WINTER- 2016
Subject Code:3351905  Date: 01- 12- 2016
Subject Name: ESTIMATING, COSTING AND ENGINEERING CONTRACTING
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.  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.  State the quality of Estimator.

2.  Define 1) Feed 2) Depth of cut 3) Batch Preparation Time 4) Approach.

3.  List factors which are affecting welding cost.

4.  State different types of sheet metal operations.

5.  List different elements of Cost.

6.  Define depreciation and obsolescence.

7.  State the conditions of contract.

8.  State six objective of budget.

9.  List types of sheet metal joints.

10.  Define 1) Salvage value 2) Cost Accounting 3) Non Productive cost 4) Book Value.

Q.2  (a)  Define costing, State at least six advantages of costing.  03

OR

(a)  List the modern tools and technique of cost reduction.  03

(b)    Explain various elements of cost in case of Gas welding.  03

OR

(b)  Explain the procedure for estimation of material cost in case of Gas welding.  03

(c)  Market price of a pattern is Rs.300. Discount offered on market price is nil. Material cost, labour and overheads are in proportion of 1:2:3. If labour cost is Rs.60 per pattern then calculate the profit per pattern.   04

OR

(c)  A lathe machine is purchased at a price of Rs.60,000 has its useful life of 15 years. Its scrap value is Rs.10,000. Calculate the depreciation per year by sinking fund method. Rate of interest for depreciation fund is 12 percent.    04

(d)  Find out the Break-even point analytically(mathematically) from the following data:
i)  Total Sales = Rs.70,000
ii)  Variable cost = Rs.49,00,000
iii)  Fixed cost = Rs.12,00,000
iv)  No. of components = 35,000.      04

OR

(d)  Explain the cost elements in Gas cutting.   04

Q.3  (a)  Explain estimation of flash loss and sprue loss in forging.   03

OR

(a)  Explain various forging operations.  03

(b)  Explain various pattern allowances.  03

OR

(b)  How to calculate turning time in machining shop?  03

(c)  A square bar of 25mm sides is to be produced from a round bar of 25mm diameter and 500mm length. Considering only 5% scale loss, calculate the length of square bar produced.  04

OR

(c)  Determine time required for preparing M.S. bolt M20 x 3 mm by single point cutting tool with a cutting speed 8m/min and length of threaded portion is 40mm. Consider No.of cuts required for threading is 8.   04

(d)    Estimate the time required to drill 4 holes of 1 cm diameter in a plate. Hole depth is 2 cm, cutting speed is 15 m/min and feed is 0.01 cm/rev.   04

OR

(d)  A slot of 2 cm deep and 10cm long is to be cut in a M.S. job with a miling cutter of 8 cm diameter & rotating at  120 rpm. If milling is done in 2 cut and feed per revolution is 0.05 cm., then calculate the milling time.   04

Q.4  (a)  Explain cost estimation per pouch for pouch packaging.  03

OR

(a)  List various cost elements of an ice plant.  03

(b)  Write down Steps for cost estimation for producing power using diesel generating set.   04

OR

(b)  A therm al power plant produces 80 Mw to satisfy maximum demand. Load factor of plant is 40%. Estimate power cost per unit for power produced by this plant. Operating cost Rs. 1.94/kwh. (Assume capital cost as Rs.1800 per kw and depreciation is 12%).   04

(c)  The cost of active wheel washing powder packed in 1 kg. pouch is Rs.26. The  07 plastic material for pouch cost Rs.1 per pouch. An operator is packing 500 pouch in a shift of 8 hours. If operator is paid Rs.150 per 8 hours shift. Estimate pouch packaging cost assuming interest & depreciation. Power cost per pouch is Rs.0.15.

Q.5  (a)  Explain sales budget.  04

(b)  Explain full contract and schedule contract.  04

(c)  List various types of tenders and explain any one.  03

(d)  Write a short note on e-tendering.  03

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