Exam Details

Subject Heat Power Technology
Paper
Exam / Course Diploma in Civil Engineering (DCLE)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2016
City, State new delhi,


Question Paper

1. Attempt all seven parts

In a four-stroke engine, the working cycle is completed in

One revolution of the crank-shaft

Two revolutions of the crank-shaft

Three revolutions of the crank-shaft

Four revolutions of the crank-shaft

A petrol engine has compression ratio from

6 to 10

10 to 15

15 to 25

25 to 40

The number of instantaneous centres for a mechanism consisting of n links is

n/2

n



n(n

Two pulleys of diameters d1 and d2 and at distance x are connected by means of an open belt drive. The length of the belt is









Which of the following is not related to a spark ignition engine?

Ignition coil

Spark plug

Distributor

Fuel injector

A spark plug gap is kept from

0.3 to 0.7 mm

0.2 to 0.8 mm

0.4 to 0.9 mm

0.6 to 1.0 mm

When the sleeve of a porter governor moves upwards, the speed of the governor

increases

decreases

remains unaffected

None of these

Explain the working of four-stroke compression ignition engine with the help of a neat sketch.

Define the following terms

Stroke

Swept Volume

Total Cylinder Volume

Compression Ratio

Mean Effective Pressure

A six-cylinder two-stroke engine produces a torque of 1100 Nm at a speed of 2100 rpm. It has a bore of 123 mm and a stroke of 127 mm. What is its bmep

What do you understand by the term carburetion State the function of a carburettor in a petrol engine.

Write the advantages and disadvantages of water cooling systems.

What are the different modes of heat transfer that occur in an Internal Combustion Engine?

5. Power is transmitted by a 5 mm thick open belt drive at a speed of 1700 m1minute. Find the maximum stress developed in the belt when the effective tension developed in the belt should not exceed 6.87 N/mm width of the belt. Angle of lap 8 m =0·3 and the density of the belt material is 9800 N/m^3.

With the help of a neat sketch, explain the working of a battery ignition system.

State the main function of a spark plug. Draw a neat sketch of a spark plug and label its components.


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Advanced Survey
  • Applied Mechanics
  • Chemistry
  • Computer Basics
  • Concrete Technology
  • Construction Drawing
  • Construction Technology- I
  • Construction Technology- II
  • E/M Engineering
  • Electrical Technology
  • Electronics
  • Elementary Civil Engineering
  • Elements of Survey
  • Engineering Drawing
  • Engineering Materials
  • Environmental Engineering
  • Estimating & Quantity Surveying- I
  • Estimating & Quantity Surveying- II
  • Fluid Mechanics
  • Heat Power Technology
  • Industrial Management
  • Machine Drawing
  • Mathematics-I
  • Mathematics-II
  • Physics
  • Refrigeration & Air-Conditioning
  • Strength of Materials
  • Theory of Structures- I
  • Theory of Structures- II
  • Workshop Technology