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Latest NFC Chemical Plant Operator Exam Question (Objective Questions), MCQ in English

Subjects : Mathematics, Science, General Awareness

Question Bank NFC Chemical Plant Operator Prelims Exam - English
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Mathematics

Question 1Single Answer
When the present age of mother is added to the present age of the daughter, the total is 40 years. What will be their total age in years after 5 years?
  1. A
    45         
  2. B
    50
  3. C
    40        
  4. D
    55
  5. E
    None of these 
Question 2Single Answer
The average age of a brother and sister was 35 years, 5 years ago. What will be their average age (in years) at present ?
  1. A
    37.5   
  2. B
    42
  3. C
    80    
  4. D
    40.5
  5. E
    None of these
Question 3Single Answer
Ram’s present age is one-sixth of his father’s age. If the difference between their present ages is 35 years, what is his father’s present age ?
  1. A
    32 years 
  2. B
    42 years
  3. C
    52 years   
  4. D
    44 years
  5. E
    None of these
Question 4Single Answer
The average age of five officers in a department is 32 years. If the age of their supervisor is added the average increased by
1. What is the supervisor’s age?
  1. A
    32 years   
  2. B
    48 years
  3. C
    38 years   
  4. D
    42 years
  5. E
    None of these
Question 5Single Answer
The average of 5 consecutive numbers A,B,C,D and E is 48.
What is the product of A and E?
  1. A
    2162       
  2. B
    2208
  3. C
    2024   
  4. D
    2300
  5. E
    None of these
Question 6Single Answer
Find the average of the following set of scores:
341, 292, 254, 375, 505, 639
  1. A
    401     
  2. B
    399
  3. C
    405    
  4. D
    397
  5. E
    None of these
Question 7Single Answer
Find the average of the following set of numbers.
637,      885,      692,      348,
213,      109,      505,      751
  1. A
    518       
  2. B
    521.5
  3. C
    515.5       
  4. D
    517
  5. E
    None of these
Question 8Single Answer
The average of 5 consecutive even numbers A,B,C,D and E is 106. What is the product of B and D?
  1. A
    11440      
  2. B
    11024
  3. C
    10608     
  4. D
    11232
  5. E
    None of these
Question 9Single Answer
Find the average of the following set of scores:
125,   133,  298,            345, 446, 507
  1. A
    312    
  2. B
    309
  3. C
    315      
  4. D
    306
  5. E
    None of these
Question 10Single Answer
The average of 60 boys in a class was calculated as 12 years.
It was later realised that the actual age of one of the boys in the class was 12.5 years but it was calculated as 14 years. What is the actual average age of the boys in the class?
  1. A
    11 years   
  2. B
    11.275 years
  3. C
    11.50 years 
  4. D
    11.975 years
  5. E
    None of these
Question 11Single Answer
Find the average of the following set of scores.
746 1020 321 12 63 426 226 144
  1. A
    367.5        
  2. B
    370
  3. C
    360
  4. D
    368.75
  5. E
    None of these
Question 12Single Answer
A,B,C,D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E?
  1. A
    6888 
  2. B
    6720
  3. C
    7052         
  4. D
    7224
  5. E
    None of these
Question 13Single Answer
The average of 5 consecutive odd numbers A,B,D,D and E respectively in ascending order is 37. What is the product of B and D?
  1. A
    1365   
  2. B
    2035
  3. C
    1935        
  4. D
    1585
  5. E
    None of these
Question 14Single Answer
Find the average of the following set of numbers:
354, 281, 623, 518, 447, 702, 876
  1. A
    538     
  2. B
    555
  3. C
    568 
  4. D
    513
  5. E
    None of these
Question 15Single Answer
Find the average of the following set of scores:
456, 328, 489, 453, 511, 328, 222, 205
  1. A
    374   
  2. B
    388
  3. C
    362          
  4. D
    391
  5. E
    None of these
Question 16Single Answer
Find the average of the following set of scores:
568, 460, 349, 987, 105, 178, 426
  1. A
    442    
  2. B
    441
  3. C
    440     
  4. D
    439
  5. E
    None of these
Question 17Single Answer
The average of five consecutive odd numbers is 41. What is the largest number?
  1. A
    47        
  2. B
    45
  3. C
    43
  4. D
    49
  5. E
    None of these
Question 18Single Answer
Average age of 36 children of the class is 15 years. 12 more children joined whose average age is 16 years. What is the average age of all the 48 children together?
  1. A
    15.25 years 
  2. B
    15.5 years
  3. C
    15.3 years 
  4. D
    15.4 years
  5. E
    None of these
Question 19Single Answer
Find the average age of the following set of scores:
746, 348, 1163, 49, 214, 358, 79, 163
  1. A
    384    
  2. B
    396
  3. C
    382     
  4. D
    390
  5. E
    None of these
Question 20Single Answer
If 36a + 36b = 576, then what is the average of a and b ?
  1. A
    16  
  2. B
    8
  3. C
    12    
  4. D
    6
  5. E
    None of these

Science

Question 21Single 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 22Single Answer
Electron volt is a unit of
  1. A
    potential difference
  2. B
    charge
  3. C
    energy
  4. D
    capacity
Question 23Single Answer
Dimensions of impulse are
  1. A
    [MLT –1]
  2. B
    [MLT²]
  3. C
    [MT–2]
  4. D
    [ML–1T–3]
Question 24Single Answer
Potential is measured in
  1. A
    joule/coulomb
  2. B
    watt/coulomb
  3. C
    newton–second
  4. D
    None of these
Question 25Single Answer
One Nanometer is equal to
  1. A
    10–9m
  2. B
    10–6m
  3. C
    10–10m
  4. D
    10–3m
Question 26Single Answer
Maxwell is the unit of
  1. A
    magnetic susceptibility
  2. B
    intensity of Magnetisation
  3. C
    magnetic Flux
  4. D
    magnetic Permeability
Question 27Single Answer
Which of the following is derived physical quantity ?
  1. A
    Mass
  2. B
    Velocity
  3. C
    Length
  4. D
    Time
Question 28Single Answer
Which of the following is not a synthetic fibre:
  1. A
    Anygora
  2. B
    Rayon
  3. C
    Nylon
  4. D
    Polyster
Question 29Single 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 30Single 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 31Single 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 32Single 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 33Single 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 34Single 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 
Question 35Single Answer
Which of the following contain enzymes for cellular respiration ?
  1. A
    Dictyosomes
  2. B
    Endoplasmic reticulum
  3. C
    lysosomes
  4. D
    Mitochondria
Question 36Single Answer
Which one among the following nutrients is a strctural
  1. A
    Cell membrane
  2. B
    Plasma membrane
  3. C
    Cell wall
  4. D
    Nucleus
Question 37Single Answer
Which one among the following nutrients is a structural component of the cell wall of plants ?
  1. A
    Manganese
  2. B
    Potassium
  3. C
    Phosphorus
  4. D
    Calcium
Question 38Single Answer
Which of the following groups is present in animal cells ?
  1. A
    Mitochondria, Cell membrane, Cell wall, Cytoplasm
  2. B
    Chloroplasts, Cytoplasm, Vacuole, Nucleus
  3. C
    Nucleus, Cell membrane, Mitochondria, Cytoplasm
  4. D
    Vacuole, cell membrane, Nucleus, Mitochondria
Question 39Single Answer
For which among the following is not a true fruit ?
  1. A
    Apple
  2. B
    Date
  3. C
    Grape
  4. D
    Plum
Question 40Single Answer
Which one of the following is not a constituent of cell membrane ?
  1. A
    Cholesterol
  2. B
    Glycoplids
  3. C
    Proline
  4. D
    Phospholipids

General Awareness

Question 41Single 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 42Single 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 43Single 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 44Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
            1. a large number of farmers are illiterate and know little about scientific agriculture
            2. prices of primary products are lower than those of manufactured products
            3. Investments in agriculture has been low when compared to investment in industry
  1. A
    1 and 3
  2. B
    2 and 3
  3. C
    1 and 2
  4. D
    1,2 and 3
Question 45Single Answer
Which of the following programmes aims at the promotion of savings among rural women
  1. A
    Rashtriya Mahila Kosh
  2. B
    Indira Mahila Yojna
  3. C
    Jawahar Rozgar Yojna
  4. D
    Mahila Samridhi Yojna
Question 46Single Answer
Which disease is caused when a person is infected by 'flavivirus' and transmitted by Culex mosquitoes ?
  1. A
    Dengue fever
  2. B
    Japanese Encephalitis
  3. C
    Chikungunya
  4. D
    Zika virus
Question 47Single Answer
Which institution has announced to hold a hackathon, for innovative ideas, for the first time in 2022 ?
  1. A
    Indian Institute of Technology (IIT) Delhi
  2. B
    Indian Institute of Science (IISc) Bangalore
  3. C
    Indian Institute of Management (IIM) Ahmedabad
  4. D
    All India Institute of Medical Sciences (AIIMS) Delhi
Question 48Single Answer
Which Indian state has become the first to establish a separate government department for 'divyang' (differently abled) people ?
  1. A
    Maharashtra
  2. B
    Karnataka
  3. C
    Tamil Nadu
  4. D
    Andhra Pradesh
Question 49Single Answer
The approximate current GDP of India is ?
  1. A
    4 trillion
  2. B
    3.7 trillion
  3. C
    5.2 trillion
  4. D
    2.66 trillion
Question 50Single Answer
Which country has recently launched a new three - year economic development plan, aiming to achieve an average annual growth rate of 6.5% to 7.5% ?
  1. A
    China
  2. B
    India
  3. C
    Japan
  4. D
    South Korea
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