JNTU
JNTU B.Tech III FUNDAMENTALS OF MECHANICAL ENGINEERING Previous Question Paper (March - 2024 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Label concept of force.
Answer
Force is an external agent capable of changing the state of rest or uniform motion of a body, or changing its shape or size. It is a vector quantity defined by its magnitude, direction, and point of application.
List Prime movers and its types.
Answer
A prime mover is a machine that converts energy from a natural source (like fuel, water, or wind) into mechanical energy. Types include: 1) Thermal prime movers (Steam engines, steam turbines, internal combustion engines) and 2) Hydraulic prime movers (Water wheels, water turbines).
Define dryness fraction of steam.
Answer
Sign in to view the complete answer paper.
State combined gas law.
Answer
Sign in to view the complete answer paper.
What is the significance of internal combustion engine?
Answer
Sign in to view the complete answer paper.
Draw the p-ν diagram for Otto cycle engine.
Answer
Sign in to view the complete answer paper.
Outline domestic refrigerator.
Answer
Sign in to view the complete answer paper.
Explain priming of pumps in brief.
Answer
Sign in to view the complete answer paper.
What is the function of clutch and brake?
Answer
Sign in to view the complete answer paper.
List the applications of polymers.
Answer
Sign in to view the complete answer paper.
Part B
Explain the concept of heat, temperature and specific heat capacity.
Answer
Sign in to view the complete answer paper.
Discuss Zeroth Law and First law statements.
Answer
Sign in to view the complete answer paper.
Explain applications of solar and wind energy.
Answer
Sign in to view the complete answer paper.
Explain the Global warming and Ozone depletion.
Answer
Sign in to view the complete answer paper.
Interpret gas constant and relation between Cp and Cv.
Answer
Sign in to view the complete answer paper.
What are the different types of steam?
Answer
Sign in to view the complete answer paper.
Apply the functioning of different mountings and accessories for steam boilers in detail.
Answer
Sign in to view the complete answer paper.
Explain the classification of heat engines.
Answer
Sign in to view the complete answer paper.
Explain the working of four-stroke cycle diesel engine with neat diagram.
Answer
Sign in to view the complete answer paper.
Explain the types and operation of Rotary and Centrifugal pumps.
Answer
Sign in to view the complete answer paper.
Illustrate the working of vapor absorption refrigeration system.
Answer
Sign in to view the complete answer paper.
Judge various types of clutches.
Answer
Sign in to view the complete answer paper.
Explain the construction and applications of couplings.
Answer
Sign in to view the complete answer paper.
Analyze the applications of timber, abrasive material, silica, ceramics and glass.
Answer
Sign in to view the complete answer paper.