Category Code: 124/2017
Exam: Assistant Crane Driver (Electrical)
Date of Test 03-11-2020
Department Port
Alphacode A
Q.No. 1:-The tool, which is used for laying large circles
[a] Trammel
[b] Jenny Caliper
[c] Divider
[d] Scriber
Correct Answer:- Option-A
Q.No. 2:-'V' groove of 'V' Block is usually
[a] 60°
[b] 30°
[c] 120°
[d] 90°
Correct Answer:- Option-D
Q.No. 3:-The point angle of centre punch is
[a] 120°
[b] 60°
[c] 30°
[d] 90°
Correct Answer:- Option-D
Q.No. 4:-'V' Blocks are available in grade of
[a] 𝐴1 and 𝐴2
[b] A and B
[c] 𝐵1 and 𝐵2
[d] 0 and 1
Correct Answer:- Option-B
Q.No. 5:-The least count of Vernier Bevel Protractor is
[a] 1′
[b] 10′
[c] 5′
[d] 15′
Correct Answer:- Option-C
Q.No. 6:-Brass is an alloy of
[a] Copper and Tin
[b] Copper and Zinc
[c] Lead and Tin
[d] Copper and Silver
Correct Answer:- Option-B
Q.No. 7:-Galvanised iron, which is coated with
[a] Zinc
[b] Lead
[c] Tin
[d] Copper
Correct Answer:- Option-A
Q.No. 8:-Which one of the following is a part of combination set ?
[a] Stock
[b] Square head
[c] Thimble
[d] Beam
Correct Answer:- Option-B
Q.No. 9:-The size of a parallel jaw bench vice indicates
[a] Maximum opening of jaws
[b] Width of the jaw
[c] Length of the body
[d] Weight of the vice
Correct Answer:- Option-B
Q.No. 10:-The value of one micron is
[a] 1 mm
[b] 0.1 mm
[c] 0.01 mm
[d] 0.001 mm
Correct Answer:- Option-D
Q.No. 11:-'Watt' is the unit of
[a] Work
[b] Power
[c] Energy
[d] Force
Correct Answer:- Option-B
Q.No. 12:-The least count of a steel rule is
[a] 1 mm
[b] 2 mm
[c] 0.5 mm
[d] 0.2 mm
Correct Answer:- Option-C
Q.No. 13:-In a metric Vernier Caliper, 25 VSD is equal to 24 MSD. Then the least count will be
[a] 0.01 mm
[b] 0.02 mm
[c] 0.03 mm
[d] 0.04 mm
Correct Answer:- Option-D
Q.No. 14:-1 cubic meter is equal to
[a] 1 Ltr
[b] 100 Ltrs
[c] 10000 Ltrs
[d] 1000 Ltrs
Correct Answer:- Option-D
Q.No. 15:-Cupola furnace is used for producing
[a] Pig iron
[b] Mild steel
[c] Cast iron
[d] Stainless steel
Correct Answer:- Option-C
Q.No. 16:-Setting of Hacksaw Blade, is done
[a] To prevent breakage of blade
[b] To get straight cutting
[c] To prevent binding when penetrating into the material
[d] To avoid wearing of blade
Correct Answer:- Option-C
Q.No. 17:-A twist drill of diameter 'd' mm rotates with an rpm of 'n'. Then the cutting speed of drill in m/mint is
[a] 𝜋𝑑𝑛 / 1000
[b] Π 𝑑𝑛
[c] 𝜋𝑑 / 𝑛
[d] 𝜋𝑑 /1000𝑛
Correct Answer:- Option-A
Q.No. 18:-Which one of the following is an artificial abrasive ?
[a] Aluminium oxide
[b] Emery
[c] Sand stone
[d] Corundum
Correct Answer:- Option-A
Q.No. 19:-The process of re-conditioning the grinding wheel to make it cut better is known as
[a] Truing
[b] Honing
[c] Dressing
[d] Reaming
Correct Answer:- Option-C
Q.No. 20:-Name the forging operation by which the length of workpiece is reduced and cross section area is increased.
[a] Up setting
[b] Drawing
[c] Bending
[d] Twisting
Correct Answer:- Option-A
Q.No. 21:-Name the property of a material by which, it can be drawn into thin wires.
[a] Malleability
[b] Hardness
[c] Stiffness
[d] Ductility
Correct Answer:- Option-D
Q.No. 22:-Carburising is a process of
[a] Normalising
[b] Case hardening
[c] Annealing
[d] Tempering
Correct Answer:- Option-B
Q.No. 23:-The process of removing metal from the surface around a drilled hole to form a seat for a bolt head or nut is
[a] Counter sinking
[b] Counter boring
[c] Spot facing
[d] Tapping
Correct Answer:- Option-C
Q.No. 24:-The tool used to remove the taper shank drill from the machine spindle is
[a] Sleeve
[b] Socket
[c] Punch
[d] Drift
Correct Answer:- Option-D
Q.No. 25:-As per BIS, a grinding wheel is specified as '51 A 46 L 5 V 23'. The term 'V' denotes
[a] Type of Abrasive
[b] Type of Bond
[c] Grain size
[d] Grade
Correct Answer:- Option-B
Q.No. 26:-Which one of the following term is related to slip gauge ?
[a] Glazing
[b] Wringing
[c] Second cut
[d] Loading
Correct Answer:- Option-B
Q.No. 27:-As per Indian Standard, there are four grades of slip gauge. They are
[a] Grade 1, 2, 3, 4
[b] Grade 0, 1, 2, 3
[c] Grade A, B, C, D
[d] Grade 00, 0, 1, 2
Correct Answer:- Option-D
Q.No. 28:-The size based on which all the dimensional deviations are given
[a] Basic size
[b] Actual size
[c] Upper deviation
[d] Lower deviation
Correct Answer:- Option-A
Q.No. 29:-The size of a component is given as 25 ±0.08 _0.05 in a drawing. The tolerance of the component is
[a] 0.13
[b] 25.08
[c] 0.03
[d] 24.95
Correct Answer:- Option-A
Q.No. 30:-Which one of the following is a solid lubricant ?
[a] Grease
[b] Graphite
[c] Castor oil
[d] Lard oil
Correct Answer:- Option-B
Q.No. 31:-In a single start thread, the lead is equal to
[a] Half of pitch
[b] Double the pitch
[c] Pitch
[d] None of the above
Correct Answer:- Option-C
Q.No. 32:-The angle of acme thread is
[a] 55°
[b] 29°
[c] 60°
[d] 47°
Correct Answer:- Option-B
Q.No. 33:-Which one of the following tool angle is provided to avoid rubbing of the body of the tool with the workpiece ?
[a] Clearance angle
[b] Helix angle
[c] Rake angle
[d] Lip angle
Correct Answer:- Option-A
Q.No. 34:-For good gripping and appearance, which one of the lathe operation is performed ?
[a] Step turning
[b] Finishing
[c] Knurling
[d] Taper turning
Correct Answer:- Option-C
Q.No. 35:-TPI of a thread is 10. Then pitch is
[a] 1 inch
[b] 1.1 inch
[c] 0.01 inch
[d] 0.1 inch
Correct Answer:- Option-D
Q.No. 36:-The 'change gears' for cutting single start thread on a lathe is given by
[a] Pitch to be cut / Pitch of lead screw = Driver / Driven
[b] Pitch of lead screw / Pitch to be cut = Driver / Driven
[c] Depth of lead screw thread / Depth of thread to be cut = Driver / Driven
[d] Depth of thread to be cut / Depth of lead screw thread = Driver / Driven
Correct Answer:- Option-A
Q.No. 37:-A device which holds and locate a workpiece and guides the cutting tool is called
[a] Fixture
[b] Clamps
[c] Jig
[d] Vice
Correct Answer:- Option-C
Q.No. 38:-To provide protective coating on Aluminium, which one of the following is suitable ?
[a] Galvanising
[b] Cladding
[c] Anodizing
[d] Bluing
Correct Answer:- Option-C
Q.No. 39:-Vice clamps are used to
[a] Protect the serrated jaws of the vice
[b] Protect the file
[c] Hold the job firmly
[d] Protect the finished surface of the job
Correct Answer:- Option-D
Q.No. 40:-Which one of the following indicates the grade of file ?
[a] Second cut
[b] Single cut
[c] Double cut
[d] Rasp cut
Correct Answer:- Option-A
Q.No. 41:-Which of the following is an example of linear measuring instrument ?
[a] Straight edge
[b] Steel rule
[c] Spirit level
[d] Bevel protractor
Correct Answer:- Option-B
Q.No. 42:-Caliper with one leg is bent and the other leg is straight called
[a] Hermaphrodite caliper
[b] Inside caliper
[c] Outside caliper
[d] Vernier caliper
Correct Answer:- Option-A
Q.No. 43:-Any mineral body from which metal can be economically recovered is called
[a] Alloy
[b] Element
[c] Flux
[d] Ore
Correct Answer:- Option-D
Q.No. 44:-Furnace used for the production of cast iron is
[a] Blast furnace
[b] Electric furnace
[c] Cupola furnace
[d] Reverberatory furnace
Correct Answer:- Option-C
Q.No. 45:-Hand file is also known as
[a] Safe edge file
[b] Square file
[c] Flat file
[d] Needle file
Correct Answer:- Option-A
Q.No. 46:-High carbon steel contains
[a] 0.15% to 0.45% carbon
[b] 0.03% to 0.05% carbon
[c] 0.8% to 1.5% carbon
[d] 0.03% to 0.10% carbon
Correct Answer:- Option-C
Q.No. 47:-Galena is the ore of
[a] Aluminium
[b] Lead
[c] Copper
[d] Tin
Correct Answer:- Option-B
Q.No. 48:-Least count of Metric Vernier Caliper
[a] 0.02 mm
[b] 0.01 mm
[c] 0.10 mm
[d] 0.20 mm
Correct Answer:- Option-A
Q.No. 49:-Centre punch is ground to an angle of
[a] 30°
[b] 45°
[c] 60°
[d] 90°
Correct Answer:- Option-D
Q.No. 50:-In 18-4-1 H.S.S. tool, 18 represent the part of
[a] Chromium
[b] Molybdenum
[c] Tungsten
[d] Vanadium
Correct Answer:- Option-C
Q.No. 51:-Tool used for cutting internal thread into a hole
[a] Reamer
[b] Tap
[c] Die
[d] Stud extractor
Correct Answer:- Option-B
Q.No. 52:-A wedge like tool used to remove the taper shank drill from the nose of drilling machine spindle is
[a] Drill chuck key
[b] Chisel
[c] Allen key
[d] Drill drift
Correct Answer:- Option-D
Q.No. 53:-The direction of filing stroke is perpendicular to the axis of file in
[a] Straight filing
[b] Cross filing
[c] Draw filing
[d] None of these
Correct Answer:- Option-C
Q.No. 54:-The chisel used for cutting oil grooves in bearing is
[a] Round nose chisel
[b] Cross cut chisel
[c] Flat chisel
[d] Cold chisel
Correct Answer:- Option-A
Q.No. 55:-Thread usually found in screw jack
[a] V-Thread
[b] Acme thread
[c] Knuckle thread
[d] Square thread
Correct Answer:- Option-D
Q.No. 56:-A headless bolt threaded at both end is called
[a] Screw
[b] Stud
[c] Rivet
[d] Thread extractor
Correct Answer:- Option-B
Q.No. 57:-Fit adopted in cart wheel fixing
[a] Shrink fit
[b] Running fit
[c] Push fit
[d] sliding fit
Correct Answer:- Option-A
Q.No. 58:-Which file has 100 to 120 teeth per 25 mm ?
[a] Rough file
[b] Second cut file
[c] Dead smooth file
[d] Bastard file
Correct Answer:- Option-C
Q.No. 59:-Liquid carburising is also known as
[a] Nitriding
[b] Cyaniding
[c] Hardening
[d] Annealing
Correct Answer:- Option-B
Q.No. 60:-Temperature at which oil turn into steam and evaporate is called
[a] Fire point
[b] Viscosity
[c] Pour point
[d] Flash point
Correct Answer:- Option-D
Q.No. 61:-Nut used in Hacksaw frame
[a] Wing nut
[b] Cap nut
[c] Castle nut
[d] Ring nut
Correct Answer:- Option-A
Q.No. 62:-A uniform increase or decrease in diameter along the length of a cylinder is called
[a] Step cut
[b] Chamfer
[c] Thread
[d] Taper
Correct Answer:- Option-D
Q.No. 63:-Teeth of similar shapes are cut parallel to shaft in
[a] Bevel gear
[b] Spur gear
[c] Helical gear
[d] Worm gear
Correct Answer:- Option-B
Q.No. 64:-A natural abrasive is
[a] Aluminium oxide
[b] Silicon carbide
[c] Emery
[d] None of these
Correct Answer:- Option-C
Q.No. 65:-Fixtures used for
[a] Holding and locating workpiece
[b] Control the machine
[c] Guide the cutting tool
[d] Holding the workpiece and guide the cutting tool
Correct Answer:- Option-A
Q.No. 66:-The distance from a point on one thread to the corresponding point on the next thread is
[a] Lead
[b] Start
[c] Pitch
[d] Crest
Correct Answer:- Option-C
Q.No. 67:-A tin base alloy containing 88% tin, 8% antimony and 4% copper is called
[a] Gun metal
[b] Y-alloy
[c] Monel metal
[d] Babbit metal
Correct Answer:- Option-D
Q.No. 68:-When rotating a nut over a bolt, if the nut advance axially when rotating the nut in an anticlockwise direction it indicate
[a] Left hand thread
[b] Right hand thread
[c] Multi start thread
[d] Error in thread
Correct Answer:- Option-A
Q.No. 69:-In order to change the properties and characteristics of metals either heated or cooled is known as
[a] Carburising
[b] Nitriding
[c] Heat treatment
[d] Cyaniding
Correct Answer:- Option-C
Q.No. 70:-While filing, the teeth of files are clogged by particles of metal is known as
[a] Glazing
[b] Pinning
[c] Piercing
[d] Spinning
Correct Answer:- Option-B
Q.No. 71:-In which foundation bolt, one side is straight and the other is in taper
[a] Rag type foundation bolt
[b] Lewis type foundation bolt
[c] Eye type foundation bolt
[d] Cotter foundation bolt
Correct Answer:- Option-B
Q.No. 72:-The property of a metal by virtue of which they can be drawn into wires is known as
[a] Toughness
[b] Malleability
[c] Brittleness
[d] Ductility
Correct Answer:- Option-D
Q.No. 73:-The act of joining the slip gauges together while building up to size is known
[a] Wringing
[b] Honing
[c] Setting
[d] Lapping
Correct Answer:- Option-A
Q.No. 74:-The taper generally used on taper shank of drills and reamers is
[a] Jarno taper
[b] Brown and sharp taper
[c] Morse taper
[d] Metric taper
Correct Answer:- Option-C
Q.No. 75:-A neutral flame have
[a] Excess of oxygen than acetylene
[b] Equal volume of oxygen and acetylene
[c] Excess of acetylene than oxygen
[d] No oxygen
Correct Answer:- Option-B
Q.No. 76:-The process of finishing round holes by bonded abrasive stone is called
[a] Lapping
[b] Reaming
[c] Boring
[d] Honing
Correct Answer:- Option-D
Q.No. 77:-A Vernier metric micrometer shows the reading 6.214 mm. In this reading the number of Vernier scale coincide with thimble division
[a] 4
[b] 6
[c] 21
[d] 14
Correct Answer:- Option-A
Q.No. 78:-Gauge used to check the outside diameter of shaft
[a] Plug gauge
[b] Feeler gauge
[c] Snap gauge
[d] Depth gauge
Correct Answer:- Option-C
Q.No. 79:-To locate pulleys or gears on a shaft and prevent relative movement between them, we use
[a] Nuts
[b] Keys
[c] Washers
[d] Couplings
Correct Answer:- Option-B
Q.No. 80:-A hole is to be drilled in an M. S. plate with a drill of size 15 mm, R.P.M. is 700. Find the cutting speed.
[a] 23 meter/minute
[b] 30 meter/minute
[c] 15 meter/minute
[d] 33 meter/minute
Correct Answer:- Option-D
Q.No. 81:-The typical forward voltage of a yellow colour LED is
[a] 2.1 V
[b] 1.8 V
[c] 2.2 V
[d] 2.4 V
Correct Answer:- Option-A
Q.No. 82:-The light of Mercury Vapour Lamp is
[a] Redish orange
[b] Greenish
[c] Redish blue
[d] White with bluish green
Correct Answer:- Option-D
Q.No. 83:-To get pink colour in Neon sign Lamp _____________ chemical powder coated in the inner side of the tube.
[a] Cadmium silicate
[b] Zinc silicate
[c] Cadmium borate
[d] Calcium silicate
Correct Answer:- Option-C
Q.No. 84:-Drop test of an armature is used for testing
[a] Number of turns
[b] Correct resistance
[c] Short and open circuits
[d] All of the above
Correct Answer:- Option-D
Q.No. 85:-Humming sound produced by a motor is due to
[a] Low voltage
[b] Shorted field or armature winding
[c] Dirty conductor
[d] Open field conductor
Correct Answer:- Option-B
Q.No. 86:-Current sensing single phasing preventers are suitable for
[a] Constant voltage application motor
[b] Constant load motors
[c] Variable voltage application motors
[d] All of the above
Correct Answer:- Option-B
Q.No. 87:-The Terminals of a GTO are
[a] Anode, Cathode, Gate
[b] Collector, Emitter, Gate
[c] Source, Drain, Gate
[d] Collector, Base, Emitter
Correct Answer:- Option-A
Q.No. 88:-In DC generator metal graphite brushes are used for
[a] High current and high voltage application
[b] Low current and low voltage application
[c] High current and low voltage application
[d] Low current and high voltage application
Correct Answer:- Option-C
Q.No. 89:-Which of the following is not a standard accuracy class of potential transformers ?
[a] 0.6
[b] 0.1
[c] 0.5
[d] 1.0
Correct Answer:- Option-A
Q.No. 90:-In Electrician Solder the percentage of Tin and Lead is
[a] 60% Lead 40% Tin
[b] 40% Tin 60% Copper
[c] 60% Tin 40% Lead
[d] 40% Zinc 60% Tin
Correct Answer:- Option-C
Q.No. 91:-The instrument used for measuring speed is
[a] Tong Tester
[b] Tachometer
[c] Hydrometer
[d] Growler
Correct Answer:- Option-B
Q.No. 92:-The armature current in DC motor is maximum when
[a] When motor has picked up maximum speed
[b] The motor has intermediate stage
[c] The motor has just switched off
[d] The motor has just started moving
Correct Answer:- Option-D
Q.No. 93:-A series RL circuits has a R = 30 Ω and L = 40 Ω the Z is
[a] 70 Ω
[b] 10 Ω
[c] 20 Ω
[d] 50 Ω
Correct Answer:- Option-D
Q.No. 94:-The Magnetic field produced in the stater of a three phase induction motor is at
[a] Slip speed
[b] Synchronous speed
[c] Asynchronous speed
[d] Rotor speed
Correct Answer:- Option-B
Q.No. 95:-The heat proof insulating material used for heater base is
[a] Mica
[b] Glass wool
[c] Cotton
[d] Porcelain
Correct Answer:- Option-A
Q.No. 96:-A 4 Pole 1200 rpm alternator will generate emf at the frequency of
[a] 25 Hz
[b] 50 Hz
[c] 40 Hz
[d] 60 Hz
Correct Answer:- Option-C
Q.No. 97:-Conductivity of copper is approximately
[a] 90%
[b] 98%
[c] 89%
[d] 85%
Correct Answer:- Option-A
Q.No. 98:-Nichrome is an alloy of
[a] Nickel and cobalt
[b] Nickel and Carbon
[c] Nickel and chromium
[d] Nickel and copper
Correct Answer:- Option-C
Q.No. 99:-The unit of Magneto Motive Force (MMF) is
[a] Weber
[b] Henry
[c] At/Wb
[d] Ampere turns
Correct Answer:- Option-D
Q.No. 100:-The charging of a cell at high rate is called
[a] Trickle charging
[b] Boost charging
[c] Potential charging
[d] Current charging
Correct Answer:- Option-B
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