B.TechSemester 12025-26Fundamentals Of Mechanical EngineeringBME101

Fundamentals Of Mechanical Engineering (BME101) - AKTU Question Paper 2025-26

B.Tech · Semester 1 · Free PDF Download

This is the official AKTU Fundamentals Of Mechanical Engineering Previous Year Question Paper for B.Tech Semester 1, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 1
Session:2025-26
University:AKTU / UPTU

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Questions Asked in 2025-26

Fundamentals Of Mechanical Engineering (BME101) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    What is the difference between a moment and a couple?
  • b
    Difference between true strain and engineering strain
  • c
    What do you mean by scavenging?
  • d
    Write down any two differences between efficiency and COP
  • e
    A liquid has a density of 850 kg/m³. Calculate its specific gravity
  • f
    Define the term priming in the pump
  • g
    Write the application of the mechatronics?
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Find the resultant of forces 2, √3, 5, √3 & 2N that act at an angular point of regular hexagon towards the other angular point taking in an order
  • b
    What is a Hybrid Electric Vehicle (HEV)? Describe the drive train components of an HEV and explain how energy is managed and transferred between the engine and electric motor
  • c
    What are the factors affecting the performance of a domestic refrigerator? Discuss methods to improve or optimize its performance
  • d
    Draw the diagram and explain the working of a suspended hydraulic lift
  • e
    Explain the construction and working of Bourdan Tube with neat diagram for measuring the pressure
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Determine the reaction at the support A and D in the structure shown in Figure
  • b
    A beam 8m long is hinged at A and supported on rollers over a smooth surface inclined at 300C to the horizontal at B. The beam is loaded as shown in fig. Determine the support reaction
  • a
    Explain the construction and working principle of a 4-Stroke Diesel engine also draw the Pressure (P)-Volume(V) & Temperature (T) -Entropy (S) diagram with
  • b
    Explain any seven differences between a spark -ignition (SI) engine and compression-ignition (CI) engine with the help of a Pressure-Volume (P-V) and Temperature-Entropy (T-S) diagram
  • a
    A Carnot refrigerator operates between temperatures of –5°C and 35°C. If the refrigerator requires 3 kW of power input, determine: (i) Coefficient of Performance (COP) (ii) Refrigeration capacity in tons
  • b
    It is proposed to heat a house using a heat pump outside air at 00C is used as the heat source. Inside temperature of house is maintained at 300C. The heating load estimated as 205600 KJ/hrs. Calculate the minimum power to drive the heat pump
  • a
    A pipe of diameter 55 cm carrying water at an average velocity of 5 m/s branches into two pipes of diameters 40 cm and 30 cm. Find the discharge in the main pipe and the velocity in the 30 cm diameter pipe, given that the velocity in the 40 cm pipe is 5 m/s
  • b
    Explain the construction working principle of the Pelton wheel turbine with a neat sketch
  • a
    Explain the construction working of an optical pyrometer with a neat labeled sketch
  • b
    Define the term ‘Mechatronics’ and explain . Also, write the advantages and disadvantages of mechatronics

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — BME101

Questions that appeared in more than one session, found by comparing 4 years of Fundamentals Of Mechanical Engineering papers (2022-23, 2023-24, 2024-25, 2025-26)

2x

What is the difference between a moment and a couple?

Appeared in: 2024-25 · 2025-26

2x

What do you mean by scavenging?

Appeared in: 2023-24 · 2025-26

2x

A beam 8m long is hinged at A and supported on rollers over a smooth surface inclined at 300C to the horizontal at B. The beam is loaded as shown in fig. Determine the support reaction

Appeared in: 2023-24 · 2025-26

2x

Explain the construction working principle of the Pelton wheel turbine with a neat sketch

Appeared in: 2024-25 · 2025-26