190+ Material Handling Solved MCQs

1.

Which of the following resistance depends on the train speed?

A. Journal friction
B. Track resistance
C. Frictional resistance
D. all of the above
Answer» D. all of the above
2.

In case of electric traction, power supply frequency for 25 kV single phase system is

A. 60 Hz
B. 16? Hz
C. 25 Hz
E. 50 Hz
Answer» E. 50 Hz
3.

The number of cylinders in case of steam locomotives is

A. Eight
B. Four
D. Two
E. One
Answer» D. Two
4.

In case of screw conveyors, cut flights are used for

A. grains
B. cereals
C. light materials
D. all of the above
Answer» D. all of the above
5.

Which one of the following shovel excavators is considered most efficient in loading carriers?

A. Dipper shovel
C. Clam shell
D. Back hoe
E. Drag line
Answer» A. Dipper shovel
6.

In screw conveyors, ribbon screws are used for

A. wet and sticky materials
B. granular materials
C. none of the above
Answer» A. wet and sticky materials
7.

A jack having 2 cm as the diameter of the screw at the root of the thread, may be expected to safely lift a load of about

A. 25 to 30 tonnes
C. 5 to 7 tonnes
D. 35 to 40 tonnes
E. 40 to 50 tonnes
Answer» C. 5 to 7 tonnes
8.

Automatic scales can be used with

A. belt conveyors
B. apron conveyors
C. pivoted bucked carriers
D. Any of the above
Answer» D. Any of the above
9.

The angle of repose depends on

A. shape of the material
B. smoothness of the material
C. degree of fineness of the material
D. all of the above
Answer» D. all of the above
10.

Car shakers are often used for

A. unloading of coal
B. loading of granular materials
C. both (A) and (B) above
D. None of the above
Answer» A. unloading of coal
11.

A four wheel drive has

A. differential on rear side only
B. differential on front side only
C. both front as well as rer differentials
D. no differential
Answer» C. both front as well as rer differentials
12.

The maximum degree of broad gauge line is

B. 10?
C. 12?
D. 14?
E. 8?
Answer» B. 10?
13.

In case of flight conveyors the angle of flight is seldom allowed to exceed

B. 75?
C. 70?
D. 60?
E. 40?
Answer» E. 40?
14.

In case of pneumatic system, a receiver is

A. a device for storing compressed air
B. a divice for storing atmospheric air
C. a device for cleaning air
D. a device for cooling air
Answer» A. a device for storing compressed air
15.

Flight conveyors are mainly used for conveying

B. iron ore
C. bauxite
D. coal
E. grains
Answer» D. coal
16.

A chain link while in use may be subjected to

A. bending
B. shear
C. tension
D. Any of the above
Answer» D. Any of the above
17.

In case of a single girder overhead travelling crane, the section used is

A. I-beam
B. Z-section
D. angle iron
E. a channel
Answer» A. I-beam
18.

The distance between the rails of a metre gauge railway line is

A. One metre
C. 4 ft, 6
D. 3 ft, 9
E. 0.692 metre
Answer» A. One metre
19.

Pneumatic conveyors are generally used for conveying

A. package goods
B. granular material
C. mineral ores
E. heavy goods
Answer» B. granular material
20.

Electric motor used for skip hoists may be

A. dc motor
B. Slip ring type induction motor
C. Ward Leonard system
D. Any of the above
Answer» D. Any of the above
21.

We know that acid phosphate (damp) adheres to the belt of belt conveyor. Which of the following conveyor will be preferred for conveying this material?

A. Screw conveyor
B. Flight conveyor
C. pneumatic conveyor
D. Any of the above
Answer» A. Screw conveyor
22.

In case of an overhead travelling crane, the hoisting unit is supported on

A. a pillar
B. a bridge
C. a tower
D. Any of the above
Answer» B. a bridge
23.

Which of the following material has the highest weight/volume ratio?

A. Barley
B. Coke
C. Limestone
D. Charcoal
Answer» C. Limestone
24.

The expected life of a light commercial vehicle is nearly

B. 250,000 km
C. 150,000 km
D. 50,000 km
E. 350,000 km
Answer» C. 150,000 km
25.

In electric traction, the torque exerted is

A. continuous, pulsating
B. pulsating, continuous
D. pulsating, pulsating
E. continuous, continuous
Answer» A. continuous, pulsating
26.

A 90 HP tractor dozer working on a dozing distance of about 60 m will give an output of about

A. 4000 cu-m/hr
B. 4 cu-m/hr
D. 40 cu-m/hr
E. 400 cu-m/hr
Answer» D. 40 cu-m/hr
27.

A 7.5 cu.m scraper working on a 150 m haul is expected to give an output of approximately

A. 1 cu-m/hr
C. 5 cu-m/hr
D. 100 cu-m/hr
E. 10 cu-m/hr
Answer» D. 100 cu-m/hr
28.

The fuel consumption of a diesel engine per BHP per hour is nearly

A. 300 cc
B. 100 cc
C. 400 cc
E. 200 cc
Answer» E. 200 cc
29.

Jacks may be

A. screw type
B. rack-and-lever type
C. hydraulic type
D. Any of the above
Answer» D. Any of the above
30.

Pneumatic cranes are used where

A. electricity could be hazardous
B. advantage could be taken of existing air supply
C. either of (A) or (B) above
Answer» C. either of (A) or (B) above
31.

The horse power of electric motor for a 50 tonne locomotive should be around

A. 5 HP
B. 750 HP
C. 7.5 HP
D. 75 HP
Answer» B. 750 HP
32.

Which of the following condition of rail surface will offer the least resistance?

A. Greasy
B. Very dry
D. Average dampness
E. Very wet
Answer» A. Greasy
33.

Which conveyor can be used for handling wood chips?

A. Belt conveyor
B. Pneumatic conveyor
C. Screw conveyor
D. Any of the above
Answer» D. Any of the above
34.

The permissible belt slope while transporting wood chips will be

B. 27?
C. 12?
D. 20?
E. 15?
Answer» B. 27?
35.

Alum is

A. hygroscopic
B. abrasive
C. none of the above
Answer» B. abrasive
36.

Hoisting and haulage ropes are frequently greased to

A. minimize wear
B. prevent corrosion
C. both (A) and (B) above
Answer» C. both (A) and (B) above
37.

All of these form explosive dust except

A. Starch
C. Pulverized Mica
D. Sulphur
E. Soyabean flour
Answer» C. Pulverized Mica
38.

All of the following could be the reasons for the formation of kinks in a rail EXCEPT

B. Defect in gauge alignment
C. Temperature variation
D. Loose packing at joint
E. Uneven wear of the rail head
Answer» C. Temperature variation
39.

The pressure of air in case of pneumatic tools is generally in the range

B. 4 to 6 kg/cm2
C. 34 to 36 kg/cm2
D. 24 to 26 kg/cm2
E. 14 to 16 kg/cm2
Answer» B. 4 to 6 kg/cm2
40.

Most of the lifting magnets are

A. not designed for continuous duty
B. designed for continuous duty
Answer» A. not designed for continuous duty
41.

The maximum degree of curvature on metre gauge is

B. 12?
C. 16?
D. 10?
E. 8?
Answer» C. 16?
42.

Which of the following locomotive has the highest operational availability?

A. Steam
B. Diesel
C. Electric
Answer» C. Electric
43.

Average weight/volume ration for ash is around

A. 300 kg/m3
C. 900 kg/m3
D. 600 kg/m3
E. 1200 kg/m3
Answer» D. 600 kg/m3
44.

While dragging, the coefficient of friction (using steel plate) will be least in case of

A. anthracite coal
B. coke
C. bituminous coal
D. hog fuel
Answer» A. anthracite coal
45.

The efficiency of diesel locomotive is in the range

B. 40 to 50 percent
C. 10 to 15 percent
D. 60 to 70 percent
E. 20 to 30 percent
Answer» E. 20 to 30 percent
46.

A 6 x 7 steel wire rope indicates

A. The core wire has 6 mm diameter and it is covered by seven strands
C. The rope has six strands and each strand is composed of seven wires
D. The rope has 6 mm mean diameter and 7 mm outer diameter
E. the rope has six wires and each wire has seven strands
Answer» C. The rope has six strands and each strand is composed of seven wires
47.

Kink' in a steel wire rope is produced

A. when the rope is permanently elongated due to overloading
B. when some strands are broken
D. when a rope with a loop or twist in its length is pulled tight
E. when the rope looses its springing action
Answer» D. when a rope with a loop or twist in its length is pulled tight
48.

Cable ways are generally used in

A. mining areas for transportation of minerals
B. sleepers, pipes etc
C. heavy machinery
D. None of the above
Answer» A. mining areas for transportation of minerals
49.

Which hoist is generally preferred for repetitive or high speed lifting?

A. Magnetic lifting hoist
B. Electric hoist
C. Hand chain hoist
D. None of the above
Answer» B. Electric hoist
50.

Coarse salt is hygroscopic and corrosive in weight. It can be transported using

A. belt conveyors
B. flight conveyors
C. pneumatic conveyors
D. Any of the above
Answer» D. Any of the above
51.

Highest density material is

A. Damp sand
C. Cement
D. Coarse salt
E. Lead salt
Answer» E. Lead salt
52.

Which of the following material has the lowest weight/volume ratio?

A. Charcoal
B. Wheat
C. Lignite
D. Oats
Answer» A. Charcoal
53.

Which hoist is often used in erection work?

A. Magnetic lifting hoist
B. Electric hoist
C. Hand chain hoist
D. all of the above
Answer» C. Hand chain hoist
54.

Belt life is reduced by

A. impact of loading
B. conveying horizontally as compared to incline
C. using pulverized materials
D. all of the above
Answer» A. impact of loading
55.

In case ac motors are used on E.O.T. the type of motor used is

A. synchronous motor
B. wound roto-induction motor
C. squirrel case induction motor
D. Any of the above
Answer» B. wound roto-induction motor
56.

The number of sleepers per rail (n = length of rail in metres)

A. is n + 1
C. varies from n + 9 to n + 12
D. varies from n + 3 to n + 6
E. varies from n + 1 to n + 3
Answer» D. varies from n + 3 to n + 6
57.

Skip hoists used on blast furnaces are generally

A. manually driven
C. electric motor driven
D. air motor driven
E. steam engine driven
Answer» C. electric motor driven
58.

The normal capacity of a one metre escalator is around

B. 1000 passengers per hour
C. 2000 to 3000 passengers per hour
D. 5000 to 6000 passengers per hour
E. 8000 to 10000 passengers per hour
Answer» D. 5000 to 6000 passengers per hour
59.

The angle of repose for anthracite coal is around

A. 37?
C. 27?
D. 17?
E. 11?
Answer» C. 27?
60.

Air hoists provide

A. slow speeds only
B. infinitely variable speeds
C. stepped movement
D. fast speeds only
Answer» B. infinitely variable speeds
61.

Tanker type wagons are used on railways for the transportation of

A. oils
C. powders
D. fertilizers
E. grains
Answer» A. oils
62.

Lifting magnets cannot be used for

B. handling materials above dull-red heat
C. under water handling
D. handling dust of magnetic materials
E. handling ferrous castings
Answer» B. handling materials above dull-red heat
63.

Lift trucks are used in industries generally for the transportation of

A. batches of material
B. castings only
C. non-ferrous materials
D. heavy equipment
Answer» A. batches of material
64.

Which of the following device is used for dragging the material?

A. Skip hoists
B. Escalators
C. Winches
D. Bucket elevators
Answer» C. Winches
65.

Practically all power shovels can be converted for operation as

A. dragline excavators
B. cranes
C. both (A) and (B) above
D. None of the above
Answer» C. both (A) and (B) above
66.

Which of the following shovel excavator has got the shortest cycle time?

A. Backhoe
B. Dipper shovel
C. Drag line
D. Clam shell
Answer» B. Dipper shovel
67.

Which one of the following shovel excavator is not suitable for operation in hard soil or rock?

A. Drag line
B. Back hoe
D. Dipper shovel
E. Clam shell
Answer» E. Clam shell
68.

In case of belt conveyors, a tripper is used to

A. facilitate loading
B. facilitate unloading
C. prevent shock loading
D. prevent damage to belt
Answer» B. facilitate unloading
69.

In case of skip hoists, complete control of speed from standstill to maximum for all values of load from maximum positive to maximum negative is obtainable while using

A. Slip ring induction motor
B. dc series motor
C. dc compound motor
E. Ward Leonard system of control
Answer» E. Ward Leonard system of control
70.

Bull headed rails are generally provided at

A. points and crossings
C. curved tracks
D. bridges
E. bifurcation of tracks
Answer» A. points and crossings
71.

The steam engine used on steam locomotive is

A. condensing, variable speed type
B. non-condensing, constant speed type
C. condensing, constant speed type
E. non-condensing, variable speed type
Answer» E. non-condensing, variable speed type
72.

Identify the incorrect statement, if any

A. Crawler tractors are more compact and powerful
B. Crawler tractors can travel faster than wheel tractors
C. Crawler tractors are generally more costly than the wheeled tractors
E. Wheeled tractors are liable to slip over very smooth or loose fittings when increased power is applied to the wheels.
Answer» B. Crawler tractors can travel faster than wheel tractors
73.

Which of the following has the lowest weight/volume ratio?

A. Chalk
B. Talc
D. Silica flour
E. Saw dust
Answer» E. Saw dust
74.

The method of speed control used on 25 kV, 50 Hz single phase traction is

A. tap changing control of transformer
B. reduced current method
C. series parallel operation of motors
D. Any of the above
Answer» A. tap changing control of transformer
75.

Which of the following is a hygroscopic material?

A. Purnice
B. Carbon black
D. Ammonium nitrate
E. Bone meal
Answer» D. Ammonium nitrate
76.

A shovel having dipper capacity of one cubic metre working on good common earth will handle approximately

A. 100 cubic metres/hour
B. 175 cubic metres/hour
C. 15 cubic metes/hour
E. 45 cubic metres/hour
Answer» B. 175 cubic metres/hour
77.

Which of the following material is corrosive?

A. Sulphur
C. Starch
D. Soap flakes
E. Zinc oxide
Answer» A. Sulphur
78.

Which one of the following is not a excavating and moving type machine?

A. Clam shell
B. Drag line
C. Scraper
E. Dump truck
Answer» E. Dump truck
79.

Boiler plant ash is generally handled using

A. hydraulic conveyors
B. belt conveyors
C. screw conveyors
D. any of the above
Answer» A. hydraulic conveyors
80.

The overall efficiency of steam locomotive system is

A. 5 to 10 percent
C. 35 to 45 percent
D. 15 to 25 percent
E. 25 to 35 percent
Answer» A. 5 to 10 percent
81.

The phenomenon of misalignment of rails due to temperature changes is known as

A. Buckling
C. Cropping
D. Hogging
E. Creeping
Answer» A. Buckling
82.

Derricks are generally used

A. in quarries
B. for construction work
C. for outdoor works
D. Any of the above
Answer» D. Any of the above
83.

Wood preferred for sleepers is

A. Chir
B. Shesham
C. Deodar
E. Sal
Answer» A. Chir
84.

The overload capacity of a diesel engine is around

A. 10 percent
B. 50 percent
C. 1 percent
D. 25 percent
Answer» A. 10 percent
85.

Which of the following key is not used in railway tracks?

A. Stuart key
B. Woodruff key
D. Cotter key
E. Morgan key
Answer» B. Woodruff key
86.

In case of excalators, the angle of incline from horizontal is

B. 10?
C. 15?
D. 30?
E. 45?
Answer» D. 30?
87.

Which of the following item can be conveyed using pneumatic conveyors?

A. soda ash
B. salt cake
C. carbon black
D. all of the above
Answer» D. all of the above
88.

Which of the following has lubricating action?

B. Graphite
C. Saw dust
D. Cottonseed
E. Rubber scrap
Answer» B. Graphite
89.

A 25 mm wire rope sling can safely take a load of

A. 40 to 50 tonnes
C. 4 to 5 tonnes
D. 25 to 30 tonnes
E. 90 to 100 tonnes
Answer» C. 4 to 5 tonnes
90.

While dragging, the coefficient of friction (using steel plate) will be maximum in case of

B. coke
C. bituminous coal
D. anthracite
E. hog fuel, dry
Answer» C. bituminous coal
91.

Welded link wheel chains are surface hardened to

A. increase shock absorption capacity
B. increase load carrying capacity
C. provide adequate wear life
D. all of the above
Answer» C. provide adequate wear life
92.

In case of skip hoists, the hoisting speed generally ranges from

A. 20 to 30 m/s
B. 6 to 15 m/s
C. 1 to 5 m/s
E. 30 to 50 m/s
Answer» B. 6 to 15 m/s
93.

In case of hand powered cranes, the capacity is generally restricted to

A. 250 tonnes
B. 150 tonnes
C. 1 tonne
D. 50 tonnes
Answer» D. 50 tonnes
94.

Skip hoists are generally used where

A. the lift is too high
B. the lumps to be lifted are large
C. the material is pulverized
D. all of the above
Answer» D. all of the above
95.

Arsenic salts are heavy as well as poisonous. Which of the following conveyor is preferred for its handling?

A. Belt conveyor
B. Screw conveyor
C. Flight conveyor
D. Any of the above
Answer» B. Screw conveyor
96.

Which braking system is not used in case of earth moving machinery?

A. Hydraulic braking system
B. Vacuum braking system
C. Pneumatic braking system
D. Mechanical braking system
Answer» B. Vacuum braking system
97.

As compared to anthracite coal, the angle of repose for coke will be

B. more
C. less
E. same
Answer» B. more
98.

In case of broad gauge track the distance between the rails is

A. 1.562 metre
B. 1.0 metre
C. 0.762 metre
E. 1.676 metre
Answer» E. 1.676 metre
99.

Braking system is invariably incorporated in case of

A. Electric hoists
B. Magnetic hoists
C. Hand chain hoists
D. all of the above
Answer» A. Electric hoists
100.

Jacks are portable, hand-operated devices for moving

B. heavy
C. heavy
D. light
E. light
Answer» C. heavy
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