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Latest OSSC Junior Mining Officer Exam Question (Objective Questions), MCQ in English
Subjects : Mining Engineering
Question Bank OSSC Junior Mining Officer Exam Paper I - English
Mining Engineering
Q 1 :
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
A.19.765 Ares
B.20.612 Ares
C.20.892 Ares
D.20.765 Ares
Q 2 :
​Point of tangency in a curve is the ______ .
A.location of the curves start point
B.location of the curves end point
C.curves midpoint
D.point joining two tangents of a curve
Q 3 :
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
A.two – theodalite method
B.Rankine's method
C.Jaderin's method
D.Teacheometric method
Q 4 :
​Name the equipment used in mining placer deposits.
A.Riffle box
B.Auger
C.Wagon drill
D.Rope Saw
Q 5 :
Every plan or section should be submitted on a scale having a representative factor of :
A.1330 : 1
B.1200 : 1
C.1100 : 2
D.1300 : 1
Q 6 :
​In which of the following baseline measuring method, tripods are used to hold the measuring tape ?
A.Wheeler's method
B.Rankine's method
C.Hunter's short base method
D.Jaderin's method
Q 7 :
​Stone dust barriers consists of :
A.Each plank is placed on above the other and loaded with stone dust
B.Shelves placed side by side and loaded with stone dust
C.Shelves placed side by side and each shelf consists of planks placed on above the other and loaded with stone dust
D.Shelves placed side by side and each shelf consists of another shelf placed on above the other and loaded with stone dust
Q 8 :
In an opencast mining blasting, ground vibration occurs due to :
A.Low current
B.Poor stemming
C.Improper delays
D.Excess charge
Q 9 :
In an opencast mining blasting, poor stemming results in :
A.Vibration
B.Misfire
C.Blow-out-shot
D.Cut-off- shot
Q 10 :
In an opencast mining blasting, improper delay results in :
A.Vibration
B.Misfire
C.Blow-out-shot
D.Cut-off-shot
Q 11 :
Which of the following is not 'Biparental' ?
A.Tidal Hypothesis
B.Planetesimal Hypothesis
C.Dynamic encounter theory
D.Protoplanet Hypothesis
Q 12 :
​The most accurately known physical parameter in the deep Earth is
A.Density
B.Elastic modulii
C.Seismic wave velocity
D.Gravity
Q 13 :
Which of the following are most radioactive ?
A.younger acidic rocks
B.Younger basic rocks
C.Older acidic rocks
D.Older basic rocks
Q 14 :
​The flattest portion of the Earth's surface is formed by
A.Abyssal Plains
B.Abyssal Hills
C.Sea Mounts
D.Oceanic Trenches
Q 15 :
​The African Plate is composed of
A.Continental Crust
B.Oceanic Crust
C.Combination of both continental as well as oceanic crust
D.None of the above
Q 16 :
Iceland is an exposed part of
A.Mid-oceanic ridges
B.Island arcs
C.Shield areas
D.Plateaus
Q 17 :
​Pahoehoe is a type of
A.Stony meterite
B.Volcanic crator
C.Ropy lava
D.Blocky lava
Q 18 :
The sand dunes migrate in the
A.Leeward direction
B.Windward direction
C.Both Leeward and Windward directions
D.None of the above
Q 19 :
Migmatites are mixed rocks which contain features of rock ?
A.Pyroclastic and sedimentary rocks
B.Plutonic and regional metamorphic rocks
C.Contact metamorphic and diagenetic rocks
D.Regional metamorphic and igneous extrusive
Q 20 :
​The primary mineral constituents of rocks of mafic ultramafic (more mafic than mafic) composition necessarily contain in the following elements.
A.magnesium, silicon, aluminium, oxygen
B.iron, aluminimum, silicon, oxygen
C.silicon, oxygen, iron, manganese
D.oxygen, magnesium, silicon, iron
Q 21 :
​SCAMP relates to ..............
A.Roof safety
B.Inundation
C.Mine fire
D.None of these
Q 22 :
​Maximum speed of explosive van, carrying explosive
A.20 KMPH
B.25 KMPH
C.30 KMPH
D.40 KMPH
Q 23 :
.................. Gas, relates to white Damp:
A.
CH4​
B.CO2
C.O2
D.CO
Q 24 :
In 2nd Degree gassy Underground Mine, for Electrical velding, written permission of .............. is required
A.Mining sirdar
B.Colliery Engineer
C.Assistant Management
D.Mine Manager
Q 25 :
​Reason for Blown out shots
A.Less Stemming
B.More explosive charge
C.High Burden and Spacing
D.All of these
Q 26 :
Priming catridge
A.In which detonator is engaged
B.Best Quality explosive catridge
C.Un exploded explosive catridge
D.All of these
Q 27 :
Powder Factor :
A.Yield of coal in Ton per KG of explosive consumed
B.Yield of coal in m³ per KG of explosive consumed
C.Both (a) and (b) above
D.None of these
Q 28 :
Formation of coal Mines Regulation has been principally based up on.
A.Railways Act
B.Explosive Act
C.L & R Act.
D.Mines Act.
Q 29 :
Surface plan is a .............. plan.
A.Statutory
B.non - statutory
C.working
D.none of these
Q 30 :
Safety management plan is applicable only for ................... mining.
A.opencast
B.underground
C.both (a) and (b)
D.none of these
Q 31 :
The reason behind broadening the river velley is
A.Attrition
B.Hydraulic action
C.Soil erosion
D.Corrosion
Q 32 :
​Anticline is a type of
A.Reverine
B.Fold structure
C.Eroded landmass
D.Delta
Q 33 :
​The reason behind Earthequake is
A.Land cruises
B.Rotation of earth
C.Tectonism
D.Denudation
Q 34 :
​The gap of a mountain which provides natural path is known as
A.Valley
B.Highway
C.Pass
D.Highland
Q 35 :
The longest lake of India is
A.pulicat
B.Pangong
C.Kolleru
D.Vembanad
Q 36 :
​Duncan passage is located between
A.North and South Andaman
B.North and Middle Andaman
C.South and Little Andaman
D.Andaman and Nicobar
Q 37 :
Which river forms estuary ?
A.Narmada
B.Kaveri
C.Krishna
D.Mahanadi
Q 38 :
​The driest part of India is
A.Western Rajasthan
B.J & K
C.Gujarat
D.M. P
Q 39 :
The soild of northern plain of India is formed by
A.Degradation
B.Aggradation
C.Erosion
D.None of these
Q 40 :
What does acid rain contain which destroys plants ?
A.Mitrate
B.ozone
C.Carbon Monoxide
D.Sulphuric acid
Q 41 :
The process of folding which is considered to be non – tactonic is
A.Tangential tension
B.Intrusion
C.Tangential compression
D.Differential compresion
Q 42 :
Which is considered as compound anticline ?
A.Depression
B.Basin
C.Valley
D.Dome
Q 43 :
Which rock is more prone to flexural slip ?
A.Shale
B.Basalt
C.Soft Clay
D.Limestone
Q 44 :
Grit is another name for
A.Sandstone
B.Shale
C.Granite
D.Breccia
Q 45 :
​Dolerite is an example of
A.Lopolith
B.Laccolith
C.Batholith
D.Dyke
Q 46 :
Volcanic eruptions occur due to
A.Conversion of rocks in the deeper layers earth's crust to a molten state of magma
B.Excessive heat inside the earth
C.Pressure in the baccolith
D.Lateral displacement of plates
Q 47 :
Which region contains doline land features ?
A.Volcanic
B.Deltaic
C.Karst
D.Glaciated
Q 48 :
​Mauna Loa is an example of
A.active volcano
B.extinct volcano
C.Plateau in a volcanic region
D.dormant valcono
Q 49 :
Plutonic earthquakes have their focus at a depth of
A.50 km
B.50 – 250 km
C.250 – 750 km
D.None of these
Q 50 :
​Tin is found in
A.Basic Igneous rocks
B.Metamorphic rocks
C.Placer deposits
D.All of these
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OSSC Junior Mining Officer Exam Question Bank Book Paper I - English
​Between crossed Polars, a colourless mineral show I order grey interference colours, but is not very distinct in plane polarised lights. The refractive index of the mienral should be around :
A.1.0082
B.1.2495
C.1.5356
D.1.7221
Q 62 :
Which of the following instruments can be used to identify quartz and microcline in a rock sample ?
A.Petrological microscope and XRF
B.Petrological microscope and XRD
C.Perological microscope and UV – VIS spectrophotometer
D.Petrological microscope and Atomic absorption spectro photometer
E.Petrological microscope and Flame photometer
Q 63 :
In a mineral the angle between the cleavage traces and one of the vibration direction is 90°, the mineral show which type of extinction ?
A.Parallel
B.Inclined
C.Symmetrical
D.Wavy
E.Comlete
Q 64 :
In a petrological microscope the optical tube commonly contain.
In a metric toposheet published by the SOI on 1:50,000 scale, the difference in longitude/ latitude from one end to the other is :
A.5'
B.10'
C.15'
D.30'
E.45'
Q 66 :
A person standing at 90°00'N latitude uses a Brunton compass as a guide and travels 320 Km due South then 450 km East and finally 320 Km North. His final position will be near :
A.90° 00'N
B.54°00'N:52°35E
C.74°15'N : 52°35'E
D.80°12'N:52°35'E
Q 67 :
An instrument used for studying a rock sample slide in different orentations is called :
A.Point counter
B.Dollar stage
C.Integrating stage
D.Universal stage
E.Gonio meter
Q 68 :
A mineral belonging to the Hexagonal system will show :
A.Interference colours; uniaxial interference figure and large 2V
B.Interference colours; behave sometimes as isotropic and show uniaxial interference figure
C.Always show high order Interference colours biaxial interference figure and small 2V
D.Always isotropic
E.Brigth colours
Q 69 :
According ot principle of cross-cutting relationship, itrusive body is
A.older than country rock
B.younger than country rock
C.of same age as the country rock
D.Sometime younger, at time older
E.none of the above
Q 70 :
The handling figures of the Mine for the year 2015-16 are as below.
The OB handling = 5,00,000 Tonnes, coal production = 2,00,000 Tonnes and densities of OB and Ore are 2.5 and 1.5 respectively. Find the stripping ratio for the year 2014 – 15.
A.1 : 2.5
B.1 : 1.5
C.1 : 2
D.1 : 1
Q 71 :
Permissible limit of respirabl concentration of coal dust should not be more than
A.6 mg/m3
B.10 mg/m3
C.15 mg/m3
D.3 mg/m3
Q 72 :
Blasting Gallery method is not suitable for working seam thickness
A.Less than 7 m
B.More than 7 m
C.Up to 11m
D.More than 11m
Q 73 :
Notice of accident causing death or serious bodily injury in connection with mining operations, in Form IV 'A' shall be sent to Regional Inspector within hours.
A.24
B.48
C.72
D.12
Q 74 :
What should be the minimum anchorage strength of root bolts after half an hour and after two hours
A.2 Te & 4 Te
B.1 Te & 3 Te
C.3 Te & 5 Te
D.5 Te & 10 Te
Q 75 :
Fires in live eletrical equipments is classified as
A.Class B fire
B.Class C fire
C.Class D fire
D.Class E fire
Q 76 :
Geothermal gradient in Indian coal fields is about
A.1°C/20m
B.1° C/92m
C.1° C/38m
D.1° C/72m
Q 77 :
A board and pillar panel will be developed with square pillars of size 25 m and an extraction ratio of 30%. The width of the gallery in m will be
A.4.2
B.4.6
C.4.8
D.26.2
Q 78 :
According to CMR 1957, if the width of the galler is 3.6 m and depth from surface is 75m then what will be the pillar size
A.15 m
B.18m
C.13.5m
D.16.5m
Q 79 :
As per CMR 1957, the breadth of the foot path in the quarries shall not be less than
A.0.5 m
B.0.75 m
C.1 m
D.0.9 m
Q 80 :
Which of the following term is not related to opencast mining ?
A.Box cut
B.High wall
C.Crest
D.Winze
Q 81 :
In surface mine, a box cut is defined as
A.The final cut of close the mine
B.The initial cut made to open a cut
C.Any cut which look as open box
D.The cut to extend haul road
Q 82 :
Which of the following factor is considered for calculation of cycle time of excavating machine.
A.Swell factor
B.Bucket factor
C.Swing factor
D.Powder factor
Q 83 :
In an open cast Coal Mine, bench failure has occurred in which a triangular portion has come out. The type of failure is _____
A.Curved failure
B.Wedge failure
C.Toppling failure
D.Linear failure
Q 84 :
Which of the following protects us from dust
A.Ear muff
B.Goggle
C.Mask
D.All of the above
Q 85 :
Maximum number of attempts for obtaining a statutory examination certificate of DGMS is :
A.8
B.9
C.7
D.Not fixed
Q 86 :
In signaling of shaft fitting what does TWO RAPS means :
A.Stop
B.Lower
C.Ascend
D.None of the above
Q 87 :
Examination of haulage and travelling roadways shall be done :
A.Once in a month
B.Twice in a week
C.Once in a Week
D.Once in every fortnight
Q 88 :
What does SMP means ?
A.Safe Man Power
B.Safe Machine Movement
C.Safety management Plan
D.Safety manual Planning
Q 89 :
Overall slope of spoil dump, if exceeding 30m in height shall be :
A.Exceeding 1 vertical to 1.5 horizontal
B.Exceeding 37.5 degree
C.Not exceeding 1 vertical to 1.5 horizontal
D.None of the above
Q 90 :
Every part of a mine shall be provided with at least :
A.One means of egress
B.One of two means of egrees
C.Three means of egress
D.Two means of egress
Q 91 :
DANGER ZONE in case of opencast mines kept as :
A.A radius of 300m from place of firing
B.A radius of 500m from place of firing
C.A radius of 200m from place of firing
D.None of the above
Q 92 :
Which of the following apparatus is suitable for drilling while approaching water logged underground working.
A.Auger Drill
B.Hand held electric drill
C.Burn side boring machine
D.None of these
Q 93 :
P-5 explosives are used for
A.Pre-cut blasting
B.Open cast blasting
C.Over burden blasting
D.Solid blasting
Q 94 :
Who is authorized to designate the Workmen Inspector in consultation with the registered trade union in the mine ?
A.DGMS
B.Mines Foreman
C.Owner/Agent
D.Mines Manager
Q 95 :
What percentage of roof bolts is tested for destructive test to know the efficacy of support ?
A.10%
B.5%
C.1%
D.8%
Q 96 :
Extraction of coal by method other than Board & Pillar method has been stipulated in.
A.CMR 100
B.CMR 100 A
C.CMR 103
D.CMR 103 A
Q 97 :
Duty of Mining Sirdar at his working place in below ground mine is to
A.Ascertain condition of ventilation
B.Presssure of gases
C.The state of roof and sides
D.All the above
Q 98 :
Binwa is a tributary of which river of H.P.?
A.Beas
B.Yamuna
C.Satluj
D.Chenab
Q 99 :
Nako lake is located in which district of H.P.?
A.Sirmour
B.Solan
C.Shimla
D.None of these
Q 100 :
In an opencast mining blasting, misfire occurs due to :
