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Latest RSSB PHED Support Engineer Chemist Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge, Concerned Subject - Support Engineer (Chemist)

Question Bank RSSB PHED Support Engineer (Chemist) Exam - English
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General Knowledge

Question 1Single Answer
In ruby laser, the stimulated emission is due to transition from
  1. A
    metastable state to any lower state
  2. B
    any higher state of lower state
  3. C
    metastable state to ground state
  4. D
    any higher state to ground state
Question 2Single Answer
A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is
  1. A
    uniform throughout the pipe not zero
  2. B
    zero only along the axis of the pipe
  3. C
    zero at any point inside the pipe
  4. D
    maximum at the centre and minimum at the edge
Question 3Single Answer
10-6 M NaOH is diluted 100 times. The pH of the diluted base is
  1. A
    between 7 and 8
  2. B
    between 5 and 6
  3. C
    between 6 and 7
  4. D
    between 10 and 11
Question 4Single Answer
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is
  1. A
    1.93 A         
  2. B
    9.65 A
  3. C
    19.3 A        
  4. D
    0.965 A
Question 5Single Answer
The respiratory quotient during cellular respiration would depend on
  1. A
    the nature of enzymes involved
  2. B
    the nature of the substrate
  3. C
    the amount of carbon dioxide released
  4. D
    the amount of oxygen utilised
Question 6Single Answer
What fraction of India's total area is covered by Rajasthan?
  1. A
    Around 5%
  2. B
    Around 15%
  3. C
    Around 10%
  4. D
    Around 20%
Question 7Single Answer
Which of the following statements is NOT TRUE?
  1. A
    Rajasthan's total geographical area is around 3.42 Lakh Sq. Km.
  2. B
    Total Populations of Rajasthan is around 10 crore.
  3. C
    Out of total population of Rajasthan, 24.9% people live in urban regions.
  4. D
    All of the above
Question 8Single Answer
Which district has highest population in Rajasthan?
  1. A
    Jaipur
  2. B
    Jaisalmer
  3. C
    Udaipur
  4. D
    Ajmer
Question 9Single Answer
What fraction of Rajasthan's total area is covered by Thar Desert?
  1. A
    Around 30%
  2. B
    Around 40%
  3. C
    Around 60%
  4. D
    Around 70%
Question 10Single Answer
The temple city of Osean in Rajasthan was established by which of the following Rajputs?
  1. A
    Gurjar Pratiharas
  2. B
    Chauhans
  3. C
    Solankis
  4. D
    Sisodias
Question 11Single Answer
The Jhamarkotra mines of Rajasthan are best known for which among the following minerals?
  1. A
    Mica
  2. B
    Zinc
  3. C
    Rock Phosphate
  4. D
    Lime Stone
Question 12Single Answer
What is the population of Scheduled Caste in Rajasthan?
  1. A
    20.3%
  2. B
    21%
  3. C
    17.8%
  4. D
    21.6%
Question 13Single Answer
According to census 2011, what is the literacy rate in Rajasthan?
  1. A
    60%
  2. B
    78%
  3. C
    66%
  4. D
    55%
Question 14Single Answer
How many people are working in Rajasthan (in percentage)?
  1. A
    56%
  2. B
    23%
  3. C
    43.6%
  4. D
    52.4%
Question 15Single Answer
The word 'Rajputana' for Rajasthan was first used by:
  1. A
    James Todd
  2. B
    George Thomas
  3. C
    Geogra Greeson
  4. D
    Kushal Labh
Question 16Single Answer
Which of the following best describes the nature of the Indian Constitution ?
  1. A
    Rigid
  2. B
    Flexible
  3. C
    Semi-rigid
  4. D
    Static
Question 17Single Answer
The Indian Constitution is largely based on the model of which country's constitution ?
  1. A
    United States
  2. B
    United Kingdom
  3. C
    Canada
  4. D
    Australia
Question 18Single Answer
Which part of the Indian Constitution deals with the distribution of powers between the Union and the States ?
  1. A
    Preamble
  2. B
    Fundamental Rights
  3. C
    Union List
  4. D
    Federal Structure
Question 19Single Answer
What does the Preamble of the Indian Constitution declare India as ?
  1. A
    A Socialist Republic
  2. B
    A Sovereign Socialist Secular Democratic Republic
  3. C
    A Secular State
  4. D
    A Federal Republic
Question 20Single Answer
The words "Socialist" and "Secular" were added to the Preamble by which Constitutional Amendment ?
  1. A
    42nd Amendment
  2. B
    44th Amendment
  3. C
    52nd Amendment
  4. D
    73rd Amendment
Question 21Single Answer
What does the Preamble to the Indian Constitution declare India as?
  1. A
    A Sovereign, Socialist, Secular, Democratic Republic
  2. B
    A Union of States
  3. C
    A Welfare State
  4. D
    A Communist State
Question 22Single Answer
How many fundamental rights are enshrined in the Indian Constitution?
  1. A
    6
  2. B
    7
  3. C
    8
  4. D
    5
Question 23Single Answer
Which Article of the Indian Constitution provides the right to equality?
  1. A
    Article 14
  2. B
    Article 19
  3. C
    Article 21
  4. D
    Article 32
Question 24Single Answer
Which schedule of the Indian Constitution deals with the allocation of seats in the Rajya Sabha?
  1. A
    Fourth Schedule
  2. B
    Second Schedule
  3. C
    Sixth Schedule
  4. D
    Eighth Schedule
Question 25Single Answer
Who appoints the Chief Justice of India?
  1. A
    Prime Minister
  2. B
    President
  3. C
    Parliament
  4. D
    Attorney General
Question 26Single Answer
What is the primary objective of the Rajasthan government's Raj Shree Yojana?
  1. A
    To provide financial assistance for women's entrepreneurship
  2. B
    To improve the health and education of girl children
  3. C
    To offer skill development training to women
  4. D
    To provide safety and security to women in distress
Question 27Single Answer
The Indira Mahila Shakti Udyam Protsahan Yojana in Rajasthan is primarily focused on:
  1. A
    Providing financial assistance to women for starting their own businesses
  2. B
    Offering healthcare benefits to women
  3. C
    Supporting the education of women in higher studies
  4. D
    Ensuring the safety of women in public spaces
Question 28Single Answer
Which of the following benefits related to women's health is covered under the Mukhyamantri Chiranjeevi Swasthya Bima Yojana in Rajasthan?
  1. A
    Free skill development training for women in the healthcare sector
  2. B
    Comprehensive health insurance coverage for women and their families
  3. C
    Financial assistance for women to pursue medical education
  4. D
    Special health camps organized exclusively for women
Question 29Single Answer
Mahila Suraksha Kendras in Rajasthan are established with the aim of:
  1. A
    Providing employment opportunities to women in security services
  2. B
    Offering legal aid and counseling to women facing violence
  3. C
    Promoting women's participation in decision-making bodies
  4. D
    Facilitating access to higher education for women
Question 30Single Answer
Which of the following categories of children?
  1. A
    Children of single working mothers
  2. B
    Children with disabilities
  3. C
    Orphaned and uncared for children
  4. D
    Children from economically weaker sections attending private schools
Question 31Single Answer
What is the name of the campaign launched by CM Bhajanlal Sharma for water conservation in June 2025?
  1. A
    Jal Jeevan Mission
  2. B
    Vande Ganga
  3. C
    Narmada Abhiyan
  4. D
    Save Water Initiative
Question 32Single Answer
Which policy did the Rajasthan government aim to implement to train 1.5 lakh youth in the next two years?
  1. A
    Skill Policy
  2. B
    Education Policy
  3. C
    Health Policy
  4. D
    Tourism Policy
Question 33Single Answer
What was the duration of the ‘Vande Ganga’ water conservation campaign launched in June 2025?
  1. A
    June 1–15
  2. B
    June 10–25
  3. C
    June 5–20
  4. D
    June 15–30
Question 34Single Answer
Who was assigned special responsibilities for the ‘Vande Ganga’ campaign across 41 districts in Rajasthan?
  1. A
    District Collectors
  2. B
    Village Panchayats
  3. C
    Local NGOs
  4. D
    State Ministers
Question 35Single Answer
Which new exploration module was set to be launched by the Ministry of Coal on July 4, 2025, affecting Rajasthan’s coal sector?
  1. A
    Mining Safety Module
  2. B
    Coal Extraction Module
  3. C
    Digital Approval Module
  4. D
    Environmental Clearance Module
Question 36Single Answer
Which site in Rajasthan has provided evidence of prehistoric stone tools?
  1. A
    Kalibangan
  2. B
    Tilwara
  3. C
    Chittorgarh
  4. D
    Jodhpur
Question 37Single Answer
The archaeological site Bagor is located in which district of Rajasthan?
  1. A
    Bikaner
  2. B
    Bhilwara
  3. C
    Udaipur
  4. D
    Chittorgarh
Question 38Single Answer
The excavation at Kalibangan revealed remains of which ancient civilization?
  1. A
    Mesopotamian
  2. B
    Egyptian
  3. C
    Roman
  4. D
    Harappan
Question 39Single Answer
The evidence of early agriculture in Rajasthan has been found at:
  1. A
    Bagor
  2. B
    Ganeshwar
  3. C
    Tilwara
  4. D
    Chirwa
Question 40Single Answer
Kalibangan is situated on the bank of which river?
  1. A
    Ghaggar
  2. B
    Luni
  3. C
    Yamuna
  4. D
    Chambal

Concerned Subject - Support Engineer (Chemist)

Question 41Single Answer
Which element in the periodic table has the highest ionization enthalpy due to its stable electronic configuration?
  1. A
    Fluorine
  2. B
    Neon
  3. C
    Helium
  4. D
    Argon
Question 42Single Answer
What is the primary reason for the decrease in atomic radii across a period from left to right?
  1. A
    Increase in electron-electron repulsion
  2. B
    Decrease in electron shielding
  3. C
    Increase in nuclear charge
  4. D
    Decrease in principal quantum number
Question 43Single Answer
Which element in Group 17 exhibits the highest electron gain enthalpy?
  1. A
    Fluorine
  2. B
    Bromine
  3. C
    Chlorine
  4. D
    Iodine
Question 44Single Answer
Why does electronegativity increase across a period in the periodic table?
  1. A
    Decrease in nuclear charge
  2. B
    Increase in electron shielding
  3. C
    Decrease in atomic size
  4. D
    Increase in principal quantum number
Question 45Single Answer
Which lanthanide element deviates from the general trend of decreasing atomic radii due to lanthanide contraction?
  1. A
    Europium
  2. B
    Cerium
  3. C
    Lutetium
  4. D
    Gadolinium
Question 46Single Answer
What is the trend in ionization enthalpy down Group 1 elements?
  1. A
    Increases
  2. B
    Fluctuates irregularly
  3. C
    Remains constant
  4. D
    Decreases
Question 47Single Answer
Which element in the d-block has the highest third ionization enthalpy?
  1. A
    Zinc
  2. B
    Chromium
  3. C
    Scandium
  4. D
    Copper
Question 48Single Answer
What is the primary factor affecting electron gain enthalpy in halogens?
  1. A
    Hybridization
  2. B
    Nuclear charge
  3. C
    Electron shielding
  4. D
    Atomic size
Question 49Single Answer
Which element in the f-block shows anomalous electron configuration due to stability of half-filled orbitals?
  1. A
    Uranium
  2. B
    Curium
  3. C
    Neptunium
  4. D
    Thorium
Question 50Single Answer
What is the relationship between electronegativity and reactivity in Group 17 elements?
  1. A
    Inversely proportional
  2. B
    Directly proportional
  3. C
    No relation
  4. D
    Fluctuates irregularly
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