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Latest RRB Junior Engineer Diesel Mechanical Exam Question (Objective Questions), MCQ in English

Subjects : General Awareness, Physics & Chemistry, Basics of Computer Application, Basics of Environment and Pollution Control, Technical Abilities (Diesel Mechanical)

Question Bank RRB Junior Engineer (Diesel Mechanical) CBT 2 Exam - English
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General Awareness

Question 1Single Answer
Yojna a weekly journal
  1. A
    Ministry of Finance        
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 2Single Answer
Kurukshetra a journal on rural development is published by
  1. A
    Ministry of Finance 
  2. B
    Ministry of Information and Broadcastin
  3. C
    Ministry of Rural Development
  4. D
    Planning Commission
Question 3Single Answer
Devaluation of a currency means
  1. A
    Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
  2. B
    Reduction in the value of a currency vis-à-vis major internationally traded currencies
  3. C
    Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
  4. D
    Permitting the currency to seek its worth in the international market
Question 4Single Answer

"Who said, 'India was a parrot unto itself'?

  1. A
    Malik Muhammad Joyce
  2. B
    Raskhan
  3. C
    Rich Khusrow
  4. D
    Rich Hasan
Question 5Single Answer
Which is the national game of Bhutan ?
  1. A
    badminton
  2. B
    basketball
  3. C
    football
  4. D
    archery
Question 6Single Answer
When was the Constituent Assembly of India formed?
  1. A
    1946
  2. B
    1947
  3. C
    1948
  4. D
    1950
Question 7Single Answer
Who is known as the "Father of the Indian Renaissance" ?
  1. A
    Raja Ram Mohan Roy
  2. B
    Swami Vivekananda
  3. C
    Rabindranath Tagore
  4. D
    Mahatma Gandhi
Question 8Single Answer
What is the study of ethics primarily concerned with ?
  1. A
    Economic behavior
  2. B
    Human values and moral principles
  3. C
    Physical health
  4. D
    Political systems
Question 9Single Answer
What is the lithosphere composed of ?
  1. A
    Water and gases
  2. B
    Rocks and minerals
  3. C
    Living organisms
  4. D
    Air and gases
Question 10Single Answer
Who is known as the "Missile Man of India"?
  1. A
    Dr. Homi J. Bhabha
  2. B
    Dr. Vikram Sarabhai
  3. C
    Dr. APJ Abdul Kalam
  4. D
    Dr. Satish Dhawan
Question 11Single Answer
On what date did India celebrate the 9th anniversary of the Goods and Services Tax (GST) implementation?
  1. A
    July 1, 2026
  2. B
    June 30, 2026
  3. C
    July 2, 2026
  4. D
    June 29, 2026
Question 12Single Answer
Which global event is India participating in with Sweden as a partner?
  1. A
    Venus Orbiter Mission 'Shukrayaan'
  2. B
    Chandrayaan-4
  3. C
    Gaganyaan crewed mission
  4. D
    Mars Orbiter Mission-2
Question 13Single Answer
Who became India's 97th Chess Grandmaster in late June 2026?
  1. A
    Gukesh D
  2. B
    Praggnanandhaa R
  3. C
    Harshavardhan G.B.
  4. D
    Arjun Erigaisi
Question 14Single Answer
What major merger was approved by the boards of PFC and REC Limited on June 30, 2026?
  1. A
    Merger with SBI
  2. B
    Merger into a single power financing entity
  3. C
    Merger with NTPC
  4. D
    Merger with IREDA
Question 15Single Answer
Which initiative was launched at the Rashtriya Gramin Vikas Sammelan 2026 for rural women SHGs?
  1. A
    Lakhpati Didi App
  2. B
    Digital India Rural Scheme
  3. C
    PM Kisan Drone Yojana
  4. D
    SARAS Shakti Collection and Coffee Table Book

Physics & Chemistry

Question 16Single Answer
Temperature can be expressed as derived quantity in terms of
  1. A
    length and mass
  2. B
    mass and time
  3. C
    length, mass and time
  4. D
    None of these
Question 17Single Answer
Electron volt is a unit of
  1. A
    potential difference
  2. B
    charge
  3. C
    energy
  4. D
    capacity
Question 18Single Answer
Dimensions of impulse are
  1. A
    [MLT –1]
  2. B
    [MLT²]
  3. C
    [MT–2]
  4. D
    [ML–1T–3]
Question 19Single Answer
Potential is measured in
  1. A
    joule/coulomb
  2. B
    watt/coulomb
  3. C
    newton–second
  4. D
    None of these
Question 20Single Answer
One Nanometer is equal to
  1. A
    10–9m
  2. B
    10–6m
  3. C
    10–10m
  4. D
    10–3m
Question 21Single Answer
Maxwell is the unit of
  1. A
    magnetic susceptibility
  2. B
    intensity of Magnetisation
  3. C
    magnetic Flux
  4. D
    magnetic Permeability
Question 22Single Answer
Which of the following is derived physical quantity ?
  1. A
    Mass
  2. B
    Velocity
  3. C
    Length
  4. D
    Time
Question 23Single Answer
What are the units of magnetic permeability ?
  1. A
    Wb A–1 m–1
  2. B
    Wb–1 Am
  3. C
    Wb A m–1
  4. D
    Wb A–1 m
Question 24Single Answer
Which of the following is not a synthetic fibre:
  1. A
    Anygora
  2. B
    Rayon
  3. C
    Nylon
  4. D
    Polyster
Question 25Single Answer
Which one of the following is not contained in Portland cement ?
  1. A
    Ca3Al2O6
  2. B
    Ca3SiO5
  3. C
    Ca2Si­O4
  4. D
    Ca3(PO4)2
Question 26Single Answer
What is the reson for white cement to be white ?
  1. A
    It does not contain carbon
  2. B
    It does not contain silicon
  3. C
    It does not contain iron
  4. D
    It does not contain calcium
Question 27Single Answer
Which fertilizer is assimilated directly by the plant ?
  1. A
    Super phosphate
  2. B
    Nitrolim
  3. C
    Muriate of Potash
  4. D
    Humus
Question 28Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
  1. A
    Aluminium sulphate
  2. B
    Copper sulphate
  3. C
    Cobalt sulphate
  4. D
    Nickel sulphate 
Question 29Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
  1. A
    Glass
  2. B
    Cement
  3. C
    paint
  4. D
    Gun powder
Question 30Single Answer
Which one of the following chemicals is used in beauty parlours for hair – setting ?
  1. A
    Sulphur based
  2. B
    Phosphorus based
  3. C
    Silicon based
  4. D
    Iron based 

Basics of Computer Application

Question 31Single Answer
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
  1. A
    Window
  2. B
    Pop-up menu
  3. C
    Message box
  4. D
    Taskbar
Question 32Single Answer
What is active desktop ?
  1. A
    a term that is synonymous with viewing your desktop as web page
  2. B
    a feature to customize your desktop to display informating you can update from the internet
  3. C
    both a and b above mentioned
  4. D
    A software
  5. E
    None of these
Question 33Single Answer
What is meant by an active window?
  1. A
    A window that is minimized
  2. B
    The window currently receiving user input
  3. C
    Any window currently open
  4. D
    The window opened first
Question 34Single Answer
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
  1. A
    An online service providing Internet access and proprietary online content
  2. B
    A computer operating system
  3. C
    A spreadsheet application
  4. D
    A database management system
Question 35Single Answer
An application is
  1. A
    word processing, accounting and engineering programs are example of application programs
  2. B
    computer program designed to enable users to perform specific job functions
  3. C
    Both a and b above mentioned
  4. D
    a document
  5. E
    None of these
Question 36Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
  1. A
    Window program
  2. B
    Spreadsheet program
  3. C
    Graphics program
  4. D
    Word program
  5. E
    None of these
Question 37Single Answer
The term Briefcase is used for
  1. A
    a special folder on the windows desktop used to keep documents up to date when shared between computers
  2. B
    a window that us currently open
  3. C
    A folder which keeps deleted, files for a while and can be retrieved from it
  4. D
    All of the above
  5. E
    None of these
Question 38Single Answer
In a graphical user interface, what is a button primarily used for?
  1. A
    Executing a command or initiating an action
  2. B
    Permanently storing data
  3. C
    Displaying the computer's IP address
  4. D
    Formatting a disk automatically
Question 39Single Answer
A channel (in windows terminology) is
  1. A
    a widely used online service that offers access to the internet
  2. B
    a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
  3. C
    an area on the computer memory where text or graphics can be temporarily stored
  4. D
    All of the above
  5. E
    None of these
Question 40Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
  1. A
    The associated option is enabled or selected
  2. B
    The application has closed
  3. C
    The file has been deleted
  4. D
    The computer is offline

Basics of Environment and Pollution Control

Question 41Single Answer
Which of the following defines an ecosystem?
  1. A
    A group of similar organisms
  2. B
    The interaction between living organisms and their physical environment
  3. C
    A community of plants
  4. D
    A population of animals
Question 42Single Answer
What is biodiversity?
  1. A
    The number of individuals in a population
  2. B
    The variety of life in a particular habitat or ecosystem
  3. C
    The amount of rainfall in a region
  4. D
    The average temperature of an area
Question 43Single Answer
Which of the following is an abiotic factor?
  1. A
    Bacteria
  2. B
    Plants
  3. C
    Sunlight
  4. D
    Animals
Question 44Single Answer
Which of the following is a biotic factor?
  1. A
    Water
  2. B
    Soil
  3. C
    Fungi
  4. D
    Air
Question 45Single Answer
What is sustainable use of natural resources?
  1. A
    Using resources without considering future needs
  2. B
    Using resources in a way that meets current needs without compromising future availability
  3. C
    Exploiting resources for maximum profit
  4. D
    Ignoring resource depletion
Question 46Single Answer
Which of the following is an example of a natural resource?
  1. A
    Plastic
  2. B
    Steel
  3. C
    Coal
  4. D
    Synthetic fibers
Question 47Single Answer
What is the role of decomposers in an ecosystem?
  1. A
    To produce food
  2. B
    To consume living organisms
  3. C
    To break down dead organic matter
  4. D
    To provide shelter
Question 48Single Answer
Which level of the food chain do plants occupy?
  1. A
    Primary consumers
  2. B
    Secondary consumers
  3. C
    Producers
  4. D
    Decomposers
Question 49Single Answer
What is the significance of biodiversity?
  1. A
    It increases vulnerability to diseases
  2. B
    It provides ecosystem stability and resilience
  3. C
    It reduces the number of natural resources
  4. D
    It has no impact on the environment
Question 50Single Answer
What is the primary source of energy for most ecosystems?
  1. A
    Chemical energy
  2. B
    Geothermal energy
  3. C
    Solar energy
  4. D
    Nuclear energy
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