AP Class 12 Model Paper 2027 Civil Engineering Technician

IIYEAR, PAPERI
Water Supply Engineering
TIME: 3 Hours Max. Marks: 50

Note : () Answer all the questions.
(ii) Each question carries two marks 10x2-20
1. Define wholesome water
2. Name any four water-borne diseases.
3. Define sedimentation.
4. Define pre-chlorination.
5 List any two advantages of P.V.C pipes.
6. List any three types of pipe materials used as water mains.
7. Name any four types of valves.
8 What are the purposes of 'stop cock'?
9 What is water hammer?
10. What is capillarity?
Note: () Answer any 5questions.
(ii) Each question carries 6 marks 5x6=30
11. Mention and discuss the factors that influence per capita demand.
12. Explain the classification of wells.
13. Explain the different characteristics of water.
14. Explain slow sand filter with aneat sketch, :
15. Draw the neat sketch of centrifugal pump and explain operation.
16. Write short notes on the following
a. Fire hydrants b. Air valves
17. Draw the neat sketch of underground reservoir and explain.
18. Describe any three losses of head in pipes.

WYEAR, PAPERII
PART-E, Estimating and Costing
TIME:3 Hours Max. Marks: 50

Note : i) Answer all the questions.
(ii) Each question carries two marks 10x2=20
1. Write the Units of Measurements For
A. Earth Work B. Plastering
2. Write the Abstract Estimate Format
3 Estimate the Quantity of Brick Work for A Wall of Length 5 Mt Width 20 Cm and
Height 2.8 Mt

4. Write the Centre Line Method for ASingle Room Taking Quantities.
5 Write the Specification for Plastering
6. Define Lead and Lift:
7. Estimate the Quántity of Cement, Sand Required for Cm (1:8) For 1Cum
8. ACave s in Cutting and Has A Width Of4 MtAt Bottom. Ifthe Depth of Cutting Is 2.0 Mand Side
Slopes 1.5.1. Find the Area of Cross Section.
9. Write the Trapezoidal Formula for Calculation of Earth Work.
10. Write Any 4 Component Parts of a Fixed Septic Tank.

Note : () Answer any five of the following.
5X6=30
(ii) Each question carries six marks
With the
11. Prepare on Approximate Estimate of The Building with A Plinth. Area Of 1600 Sam
Following Data.
1. Plinth Area Rate 3000/ Sqm

2. Add for Architectural Work 2.5%0f the Cost.

3. Add for Water Supply and Sanitary Installation 5% Of the Cost
4. Contingencies 3% of the Cost.
5. Super Vision Charges 29% Ofthe Cost

217
Cetimate the Quantities of The Following Items of A Given
12. Two Room Building Shown In Figure
A. Earth Work Excavation B. Flooring
Calculate the Quantities OfTheFollowing Items By Centre Line
13.
Method For The Building Shown
In Figure
A. Brick Work in Super Structure B. Cc Bed
Estimate the Quantities of the Following Items of
14. Work for Compound Wall 70m Length, 3Ocm
Width And 2 Mt height.
A. Brick Work in Cm (1:4) Above Plinth
B. Plastering Work
15 Estimate the Materials Required For
A. CC(1:2:4) B. Brick Work Cm (1:1:5:3)
16. Calculate the Rate Of CC (1:2:4) Of 1Cum Take
10 Cum. Assume The Rates Of
Labour Materials And
17 The Ground Levels along Centre Line ofA
RoadAll Given Below.
Chain age In Mt 50 100 150
R1 Of Ground 97 96.5 96 97.5 The Road Is to Be
Formed in Embankment with The Formation
Level At 100.00 M Throughout the
Width of The Road Is 10.00 M and The Side Length. If the
Slopes 2:1. Calculate the Quantity of Earth
Required By Work
1)Trapezoidal 2) Prisamoidal Rule.
Assume the Transverse Slope as Level.
18. Prepare the Detail Estimate for The
Cenment Concrete Road Of 1.0KM Length for The
Items of Work As Shown In Figure Following
A. Wearing Coat CC (1:2:4) With 20mm Size
HBG Metal 100rmin Thick
B. Base Eourse Cc (1:4:8) With 40mm Size HBG
Metal 150mm Thick

IIYEAR- PAPER II
PART-B,Highways and Construction Management
TIME: 3 Hours Max. Marks: 50

Note: ) Answer all the questions.
10x2-20
(i) Each question carries two markS
1.
State any four advantages of roads.
2. Write any three objects of reconnaissance survey.
3. What are the objects of traffic signs?
4. Write the materials used in the construction of WBM road.
5. Write the stages in construction.
6. Define contract planning.
7. Write the types of labour.
8. Define quality control
9 Define contract.
10. Define work order.

Note : ) Answer any fivèof the following.
(ii) Each question carries six marks 5x6=30

11. Explain thefunctions of thecomponent Parts of Road Structure with sketch
12. Explain the Different Jünctions with Sketches
13. Explain the steps Involved in the Construction of Cement Concrete Roads.
14. What is meant By Seal Coat and Write Three Functions of Providing It.?
15. What are the Methods of Scheduling? Explain Them Briefly.
16. Write Short Notes On
A. Minimum Wage Act B. Contract Labour Act
17. Explain Various Types of Contracts.
18. Write Short Notes On
A. Work Order. B. Tender Notice.