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This set of Material Handling Multiple Choice Questions & Answers (MCQs) focuses on Material Handling Set 3
Q1 | Highest density material is
- Damp sand
- Cement
- Coarse salt
- Lead salt
Q2 | Which of the following material has the lowest weight/volume ratio?
- Charcoal
- Wheat
- Lignite
- Oats
Q3 | Which hoist is often used in erection work?
- Magnetic lifting hoist
- Electric hoist
- Hand chain hoist
- all of the above
Q4 | Belt life is reduced by
- impact of loading
- conveying horizontally as compared to incline
- using pulverized materials
- all of the above
Q5 | In case ac motors are used on E.O.T. the type of motor used is
- synchronous motor
- wound roto-induction motor
- squirrel case induction motor
- Any of the above
Q6 | The number of sleepers per rail (n = length of rail in metres)
- is n + 1
- varies from n + 9 to n + 12
- varies from n + 3 to n + 6
- varies from n + 1 to n + 3
Q7 | Skip hoists used on blast furnaces are generally
- manually driven
- electric motor driven
- air motor driven
- steam engine driven
Q8 | The normal capacity of a one metre escalator is around
- 1000 passengers per hour
- 2000 to 3000 passengers per hour
- 5000 to 6000 passengers per hour
- 8000 to 10000 passengers per hour
Q9 | The angle of repose for anthracite coal is around
- 37?
- 27?
- 17?
- 11?
Q10 | Air hoists provide
- slow speeds only
- infinitely variable speeds
- stepped movement
- fast speeds only
Q11 | Tanker type wagons are used on railways for the transportation of
- oils
- powders
- fertilizers
- grains
Q12 | Lifting magnets cannot be used for
- handling materials above dull-red heat
- under water handling
- handling dust of magnetic materials
- handling ferrous castings
Q13 | Lift trucks are used in industries generally for the transportation of
- batches of material
- castings only
- non-ferrous materials
- heavy equipment
Q14 | Which of the following device is used for dragging the material?
- Skip hoists
- Escalators
- Winches
- Bucket elevators
Q15 | Practically all power shovels can be converted for operation as
- dragline excavators
- cranes
- both (A) and (B) above
- None of the above
Q16 | Which of the following shovel excavator has got the shortest cycle time?
- Backhoe
- Dipper shovel
- Drag line
- Clam shell
Q17 | Which one of the following shovel excavator is not suitable for operation in hard soil or rock?
- Drag line
- Back hoe
- Dipper shovel
- Clam shell
Q18 | In case of belt conveyors, a tripper is used to
- facilitate loading
- facilitate unloading
- prevent shock loading
- prevent damage to belt
Q19 | 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
- Slip ring induction motor
- dc series motor
- dc compound motor
- Ward Leonard system of control
Q20 | Bull headed rails are generally provided at
- points and crossings
- curved tracks
- bridges
- bifurcation of tracks
Q21 | The steam engine used on steam locomotive is
- condensing, variable speed type
- non-condensing, constant speed type
- condensing, constant speed type
- non-condensing, variable speed type
Q22 | Identify the incorrect statement, if any
- Crawler tractors are more compact and powerful
- Crawler tractors can travel faster than wheel tractors
- Crawler tractors are generally more costly than the wheeled tractors
- Wheeled tractors are liable to slip over very smooth or loose fittings when increased power is applied to the wheels.
Q23 | Which of the following has the lowest weight/volume ratio?
- Chalk
- Talc
- Silica flour
- Saw dust
Q24 | The method of speed control used on 25 kV, 50 Hz single phase traction is
- tap changing control of transformer
- reduced current method
- series parallel operation of motors
- Any of the above
Q25 | Which of the following is a hygroscopic material?
- Purnice
- Carbon black
- Ammonium nitrate
- Bone meal