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Objective Questions

Latest HCL Junior Manager Exam Question (Objective Questions), MCQ in English

Subjects : Mining, General Knowledge

Question Bank HCL Junior Manager Exam - English
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Mining

Question 1Single 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. A19.765 Ares
  2. B20.612 Ares
  3. C20.892 Ares
  4. D20.765 Ares
Question 2Single Answer
​Point of tangency in a curve is the ______ .
  1. Alocation of the curves start point
  2. Blocation of the curves end point
  3. Ccurves midpoint
  4. Dpoint joining two tangents of a curve
Question 3Single 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. Atwo – theodalite method
  2. BRankine's method
  3. CJaderin's method
  4. DTeacheometric method
Question 4Single Answer
​Name the equipment used in mining placer deposits.
  1. ARiffle box
  2. BAuger
  3. CWagon drill
  4. DRope Saw
Question 5Single Answer
Every plan or section should be submitted on a scale having a representative factor of :
  1. A1330 : 1
  2. B1200 : 1
  3. C1100 : 2
  4. D1300 : 1
Question 6Single Answer
​In which of the following baseline measuring method, tripods are used to hold the measuring tape ?
  1. AWheeler's method
  2. BRankine's method
  3. CHunter's short base method
  4. DJaderin's method
Question 7Single Answer
​Stone dust barriers consists of :
  1. AEach plank is placed on above the other and loaded with stone dust
  2. BShelves placed side by side and loaded with stone dust
  3. CShelves placed side by side and each shelf consists of planks placed on above the other and loaded with stone dust
  4. DShelves placed side by side and each shelf consists of another shelf placed on above the other and loaded with stone dust
Question 8Single Answer
In an opencast mining blasting, ground vibration occurs due to :
  1. ALow current
  2. BPoor stemming
  3. CImproper delays
  4. DExcess charge
Question 9Single Answer
In an opencast mining blasting, poor stemming results in :
  1. AVibration
  2. BMisfire
  3. CBlow-out-shot
  4. DCut-off- shot
Question 10Single Answer
In an opencast mining blasting, improper delay results in :
  1. AVibration
  2. BMisfire
  3. CBlow-out-shot
  4. DCut-off-shot    
Question 11Single Answer
Which of the following is not 'Biparental' ?
  1. ATidal Hypothesis
  2. BPlanetesimal Hypothesis
  3. CDynamic encounter theory
  4. DProtoplanet Hypothesis
Question 12Single Answer
​The most accurately known physical parameter in the deep Earth is
  1. ADensity
  2. BElastic modulii
  3. CSeismic wave velocity
  4. DGravity
Question 13Single Answer
Which of the following are most radioactive ?
  1. Ayounger acidic rocks
  2. BYounger basic rocks
  3. COlder acidic rocks
  4. DOlder basic rocks
Question 14Single Answer
​The flattest portion of the Earth's surface is formed by
  1. AAbyssal Plains
  2. BAbyssal Hills
  3. CSea Mounts
  4. DOceanic Trenches  
Question 15Single Answer
​The African Plate is composed of
  1. AContinental Crust
  2. BOceanic Crust
  3. CCombination of both continental as well as oceanic crust
  4. DNone of the above
Question 16Single Answer
Iceland is an exposed part of
  1. AMid-oceanic ridges
  2. BIsland arcs
  3. CShield areas
  4. DPlateaus
Question 17Single Answer
​Pahoehoe is a type of
  1. AStony meterite
  2. BVolcanic crator
  3. CRopy lava
  4. DBlocky lava
Question 18Single Answer
The sand dunes migrate in the
  1. ALeeward direction
  2. BWindward direction
  3. CBoth Leeward and Windward directions
  4. DNone of the above
Question 19Single Answer
Migmatites are mixed rocks which contain features of rock ?
  1. APyroclastic and sedimentary rocks
  2. BPlutonic and regional metamorphic rocks
  3. CContact metamorphic and diagenetic rocks
  4. DRegional metamorphic and igneous extrusive
Question 20Single Answer
​The primary mineral constituents of rocks of mafic ultramafic (more mafic than mafic) composition necessarily contain in the following elements.
  1. Amagnesium, silicon, aluminium, oxygen
  2. Biron, aluminimum, silicon, oxygen  
  3. Csilicon, oxygen, iron, manganese
  4. Doxygen, magnesium, silicon, iron     
Question 21Single Answer
​SCAMP relates to ..............
  1. ARoof safety
  2. BInundation
  3. CMine fire
  4. DNone of these
Question 22Single Answer
​Maximum speed of explosive van, carrying explosive
  1. A20 KMPH
  2. B25 KMPH
  3. C30 KMPH 
  4. D40 KMPH       
Question 23Single Answer
.................. Gas, relates to white Damp:
  1. A
    CH4​
  2. BCO2
  3. CO2
  4. DCO
Question 24Single Answer
In 2nd Degree gassy Underground Mine, for Electrical velding, written permission of .............. is required
  1. AMining sirdar
  2. BColliery Engineer
  3. CAssistant Management
  4. DMine Manager
Question 25Single Answer
​Reason for Blown out shots
  1. ALess Stemming
  2. BMore explosive charge
  3. CHigh Burden and Spacing
  4. DAll of these     
Question 26Single Answer
Priming catridge
  1. AIn which detonator is engaged
  2. BBest Quality explosive catridge
  3. CUn exploded explosive catridge
  4. DAll of these
Question 27Single Answer
Powder Factor :
  1. AYield of coal in Ton per KG of explosive consumed
  2. BYield of coal in m³ per KG of explosive consumed 
  3. CBoth (a) and (b) above
  4. DNone of these
Question 28Single Answer
Formation of coal Mines Regulation has been principally based up on.
  1. ARailways Act
  2. BExplosive Act
  3. CL & R Act.
  4. DMines Act.
Question 29Single Answer
Surface plan is a .............. plan.
  1. AStatutory
  2. Bnon - statutory
  3. Cworking
  4. Dnone of these  
Question 30Single Answer
Safety management plan is applicable only for ................... mining.
  1. Aopencast
  2. Bunderground
  3. Cboth (a) and (b)
  4. Dnone of these
Question 31Single Answer
The reason behind broadening the river velley is
  1. AAttrition
  2. BHydraulic action
  3. CSoil erosion
  4. DCorrosion
Question 32Single Answer
​Anticline is a type of
  1. AReverine
  2. BFold structure
  3. CEroded landmass
  4. DDelta
Question 33Single Answer
​The reason behind Earthequake is
  1. ALand cruises
  2. BRotation of earth
  3. CTectonism
  4. DDenudation
Question 34Single Answer
​The gap of a mountain which provides natural path is known as
  1. AValley
  2. BHighway
  3. CPass
  4. DHighland
Question 35Single Answer
The longest lake of India is
  1. Apulicat
  2. BPangong
  3. CKolleru
  4. DVembanad
Question 36Single Answer
​Duncan passage is located between
  1. ANorth and South Andaman
  2. BNorth and Middle Andaman
  3. CSouth and Little Andaman
  4. DAndaman and Nicobar
Question 37Single Answer
Which river forms estuary ?
  1. ANarmada
  2. BKaveri
  3. CKrishna
  4. DMahanadi
Question 38Single Answer
​The driest part of India is
  1. AWestern Rajasthan
  2. BJ & K
  3. CGujarat  
  4. DM. P      
Question 39Single Answer
The soild of northern plain of India is formed by
  1. ADegradation
  2. BAggradation
  3. CErosion
  4. DNone of these
Question 40Single Answer
What does acid rain contain which destroys plants ?
  1. AMitrate
  2. Bozone
  3. CCarbon Monoxide
  4. DSulphuric acid
Question 41Single Answer
Process of excavating minerals for use of persons .
  1. AMining
  2. BGeology
  3. CPetrology
  4. DMetallurgy
Question 42Single Answer
Mining operations one should have working knowledge of
  1. APetrology
  2. BBasics
  3. CMetrology
  4. DGeology
Question 43Single Answer
Science of earth deals with nature and origin of rocks .
  1. AMining
  2. BGeology
  3. CPetrology
  4. DNeurology
Question 44Single Answer
Homogenious, naturally occuring substance, having physical properties and composition, expressed in chemical formula .
  1. ARock
  2. BMineral
  3. COre
  4. DOre deposit
Question 45Single Answer
One of the example of occurance of as a single element .
  1. AGraphite
  2. BLead
  3. CQuartz
  4. DHemotite
Question 46Single Answer
One of the example of occurance of as a single element .
  1. ALead
  2. BQuartz
  3. CHemotite
  4. DGold, Silver
Question 47Single Answer
Example of occurance of minerals in two or more elements .
  1. AGraphite
  2. BGold
  3. CSilver
  4. DHemotite
Question 48Single Answer
Oxides, chlorides, sulphides, carbonites, silicates are called .
  1. ARock forming minerals
  2. BOre forming minerals
  3. CBoth
  4. DNone
Question 49Single Answer
Aggregate of two or more minerals called .
  1. AMineral
  2. BRock
  3. CCoal
  4. DSeam
Question 50Single Answer
Aggregate of chemical elements called
  1. AMineral
  2. BRock
  3. CBed rock
  4. DSeam
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