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Objective Questions

Latest BCCL Junior Overman Exam Question (Objective Questions), MCQ in English

Subjects : General Awareness, Aptitude, Mining Engineering

Question Bank BCCL Junior Overman 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
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 4Single 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 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
Which city is the host of the second edition of ‘The Africa-India Field Training Exercise’ AFINDEX-2023 ?
  1. A
    Pune
  2. B
    Panaji
  3. C
    Cairo
  4. D
    Nairobi
Question 7Single Answer
‘New India Literacy Programme’ will be implemented as which type of scheme ?
  1. A
    Central Sector Scheme
  2. B
    Centrally sponsored Scheme
  3. C
    Core Scheme
  4. D
    Core of the Core Scheme
Question 8Single Answer
Which state/UT recently released the ‘Lake Development Programme’ ?
  1. A
    Tamil Nadu
  2. B
    Telangana
  3. C
    Odisha
  4. D
    West Bengal
Question 9Single Answer
A ‘Space System Design Lab’ has been recently inaugurated in which state/UT ?
  1. A
    Gujarat
  2. B
    Karnataka
  3. C
    Andhra Pradesh
  4. D
    Kerala
Question 10Single Answer
India recently signed a ‘Defence Cooperation Agreement’ with which European country ?
  1. A
    Malta
  2. B
    Romania
  3. C
    Finland
  4. D
    Denmark

Aptitude

Question 11Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A
    51:52
  2. B
    52:53
  3. C
    51:53
  4. D
    52:55
Question 12Single Answer
Which of the following numbers is irrational ?
  1. A
    √49
  2. B
    0.125
  3. C
    √2
  4. D
    22/7
Question 13Single Answer
356 x 936 – 356 x 836 = ?
  1. A
    35600  
  2. B
    34500
  3. C
    9630
  4. D
    93600
Question 14Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
  1. A
    3/4 > 7/10 > 5/8
  2. B
    7/10 > 3/4 > 5/8
  3. C
    3/4 > 5/8 > 7/10
  4. D
    5/8 > 7/10 > 3/4
Question 15Single Answer
What is (3^{4} times 9^{2}) ?
  1. A
    36
  2. B
    38
  3. C
    310
  4. D
    96
     
Question 16Single Answer
If 34X-2 = 729, then find the value of X.
  1. A
    4     
  2. B
    3
  3. C
    2 
  4. D
    5
Question 17Single Answer
Convert 0.6 into fraction ?
  1. A
    3/5
  2. B
    2/3
  3. C
    4/5
Question 18Single Answer
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
  1. A
    169  
  2. B
    36
  3. C
    196 
  4. D
    Can not say
Question 19Single Answer
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
  1. A
    16   
  2. B
    25
  3. C
    28  
  4. D
    30
Question 20Single Answer
If x*y = x2 + y2 – xy, then value of 9*11 is
  1. A
    93     
  2. B
    103
  3. C
    60.5
  4. D
    121

Mining Engineering

Question 21Single Answer
The following perpendicular offsets were taken from a chian line to an irregular boundary.The area between the chian line, the boundaryand the offsets is :
 
Chainage(m) 0 10 25 42 60 75
Offsets   15.5 26.2 31.8 25.6 29.0 31.5
  1. A
    19.765 Ares
  2. B
    20.612 Ares
  3. C
    20.892 Ares
  4. D
    20.765 Ares
Question 22Single Answer
Point of tangency in a curve is the ______ .
  1. A
    location of the curves start point
  2. B
    location of the curves end point
  3. C
    curves midpoint
  4. D
    point joining two tangents of a curve
Question 23Single Answer
Name of method in which the deflection angle is equal to half the angle substended by the arc at the centre, and it is assumed that the length of the arc is approximately equal to length of the chord
  1. A
    two – theodalite method
  2. B
    Rankine's method
  3. C
    Jaderin's method
  4. D
    Teacheometric method
Question 24Single Answer
Name the equipment used in mining placer deposits.
  1. A
    Riffle box
  2. B
    Auger
  3. C
    Wagon drill
  4. D
    Rope Saw
Question 25Single Answer
Every plan or section should be submitted on a scale having a representative factor of :
  1. A
    1330 : 1
  2. B
    1200 : 1
  3. C
    1100 : 2
  4. D
    1300 : 1
Question 26Single Answer
In which of the following baseline measuring method, tripods are used to hold the measuring tape ?
  1. A
    Wheeler's method
  2. B
    Rankine's method
  3. C
    Hunter's short base method
  4. D
    Jaderin's method
Question 27Single Answer
Stone dust barriers consists of :
  1. A
    Each plank is placed on above the other and loaded with stone dust
  2. B
    Shelves placed side by side and loaded with stone dust
  3. C
    Shelves placed side by side and each shelf consists of planks placed on above the other and loaded with stone dust
  4. D
    Shelves placed side by side and each shelf consists of another shelf placed on above the other and loaded with stone dust
Question 28Single Answer
In an opencast mining blasting, ground vibration occurs due to :
  1. A
    Low current
  2. B
    Poor stemming
  3. C
    Improper delays
  4. D
    Excess charge
Question 29Single Answer
In an opencast mining blasting, poor stemming results in :
  1. A
    Vibration
  2. B
    Misfire
  3. C
    Blow-out-shot
  4. D
    Cut-off- shot
Question 30Single Answer
In an opencast mining blasting, improper delay results in :
  1. A
    Vibration
  2. B
    Misfire
  3. C
    Blow-out-shot
  4. D
    Cut-off-shot    
Question 31Single Answer
Which of the following is not 'Biparental' ?
  1. A
    Tidal Hypothesis
  2. B
    Planetesimal Hypothesis
  3. C
    Dynamic encounter theory
  4. D
    Protoplanet Hypothesis
Question 32Single Answer
The most accurately known physical parameter in the deep Earth is
  1. A
    Density
  2. B
    Elastic modulii
  3. C
    Seismic wave velocity
  4. D
    Gravity
Question 33Single Answer
Which of the following are most radioactive ?
  1. A
    younger acidic rocks
  2. B
    Younger basic rocks
  3. C
    Older acidic rocks
  4. D
    Older basic rocks
Question 34Single Answer
The flattest portion of the Earth's surface is formed by
  1. A
    Abyssal Plains
  2. B
    Abyssal Hills
  3. C
    Sea Mounts
  4. D
    Oceanic Trenches  
Question 35Single Answer
The African Plate is composed of
  1. A
    Continental Crust
  2. B
    Oceanic Crust
  3. C
    Combination of both continental as well as oceanic crust
  4. D
    None of the above
Question 36Single Answer
Iceland is an exposed part of
  1. A
    Mid-oceanic ridges
  2. B
    Island arcs
  3. C
    Shield areas
  4. D
    Plateaus
Question 37Single Answer
Pahoehoe is a type of
  1. A
    Stony meterite
  2. B
    Volcanic crator
  3. C
    Ropy lava
  4. D
    Blocky lava
Question 38Single Answer
The sand dunes migrate in the
  1. A
    Leeward direction
  2. B
    Windward direction
  3. C
    Both Leeward and Windward directions
  4. D
    None of the above
Question 39Single Answer
Migmatites are mixed rocks which contain features of rock ?
  1. A
    Pyroclastic and sedimentary rocks
  2. B
    Plutonic and regional metamorphic rocks
  3. C
    Contact metamorphic and diagenetic rocks
  4. D
    Regional metamorphic and igneous extrusive
Question 40Single Answer
The primary mineral constituents of rocks of mafic ultramafic (more mafic than mafic) composition necessarily contain in the following elements.
  1. A
    magnesium, silicon, aluminium, oxygen
  2. B
    iron, aluminimum, silicon, oxygen  
  3. C
    silicon, oxygen, iron, manganese
  4. D
    oxygen, magnesium, silicon, iron     
Question 41Single Answer
SCAMP relates to ..............
  1. A
    Roof safety
  2. B
    Inundation
  3. C
    Mine fire
  4. D
    None of these
Question 42Single Answer
Maximum speed of explosive van, carrying explosive
  1. A
    20 KMPH
  2. B
    25 KMPH
  3. C
    30 KMPH 
  4. D
    40 KMPH       
Question 43Single Answer
.................. Gas, relates to white Damp:
  1. A
    CH4
  2. B
    CO2
  3. C
    O2
  4. D
    CO
Question 44Single Answer
In 2nd Degree gassy Underground Mine, for Electrical velding, written permission of .............. is required
  1. A
    Mining sirdar
  2. B
    Colliery Engineer
  3. C
    Assistant Management
  4. D
    Mine Manager
Question 45Single Answer
Reason for Blown out shots
  1. A
    Less Stemming
  2. B
    More explosive charge
  3. C
    High Burden and Spacing
  4. D
    All of these     
Question 46Single Answer
Priming catridge
  1. A
    In which detonator is engaged
  2. B
    Best Quality explosive catridge
  3. C
    Un exploded explosive catridge
  4. D
    All of these
Question 47Single Answer
Powder Factor :
  1. A
    Yield of coal in Ton per KG of explosive consumed
  2. B
    Yield of coal in m³ per KG of explosive consumed 
  3. C
    Both (a) and (b) above
  4. D
    None of these
Question 48Single Answer
Formation of coal Mines Regulation has been principally based up on.
  1. A
    Railways Act
  2. B
    Explosive Act
  3. C
    L & R Act.
  4. D
    Mines Act.
Question 49Single Answer
Surface plan is a .............. plan.
  1. A
    Statutory
  2. B
    non - statutory
  3. C
    working
  4. D
    none of these  
Question 50Single Answer
Safety management plan is applicable only for ................... mining.
  1. A
    opencast
  2. B
    underground
  3. C
    both (a) and (b)
  4. D
    none of these
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