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This set of Material Handling Multiple Choice Questions & Answers (MCQs) focuses on Material Handling Set 2
Q1 | A 90 HP tractor dozer working on a dozing distance of about 60 m will give an output of about
- 4000 cu-m/hr
- 4 cu-m/hr
- 40 cu-m/hr
- 400 cu-m/hr
Q2 | A 7.5 cu.m scraper working on a 150 m haul is expected to give an output of approximately
- 1 cu-m/hr
- 5 cu-m/hr
- 100 cu-m/hr
- 10 cu-m/hr
Q3 | The fuel consumption of a diesel engine per BHP per hour is nearly
- 300 cc
- 100 cc
- 400 cc
- 200 cc
Q4 | Jacks may be
- screw type
- rack-and-lever type
- hydraulic type
- Any of the above
Q5 | Pneumatic cranes are used where
- electricity could be hazardous
- advantage could be taken of existing air supply
- either of (A) or (B) above
Q6 | The horse power of electric motor for a 50 tonne locomotive should be around
- 5 HP
- 750 HP
- 7.5 HP
- 75 HP
Q7 | Which of the following condition of rail surface will offer the least resistance?
- Greasy
- Very dry
- Average dampness
- Very wet
Q8 | Which conveyor can be used for handling wood chips?
- Belt conveyor
- Pneumatic conveyor
- Screw conveyor
- Any of the above
Q9 | The permissible belt slope while transporting wood chips will be
- 27?
- 12?
- 20?
- 15?
Q10 | Alum is
- hygroscopic
- abrasive
- none of the above
Q11 | Hoisting and haulage ropes are frequently greased to
- minimize wear
- prevent corrosion
- both (A) and (B) above
Q12 | All of these form explosive dust except
- Starch
- Pulverized Mica
- Sulphur
- Soyabean flour
Q13 | All of the following could be the reasons for the formation of kinks in a rail EXCEPT
- Defect in gauge alignment
- Temperature variation
- Loose packing at joint
- Uneven wear of the rail head
Q14 | The pressure of air in case of pneumatic tools is generally in the range
- 4 to 6 kg/cm2
- 34 to 36 kg/cm2
- 24 to 26 kg/cm2
- 14 to 16 kg/cm2
Q15 | Most of the lifting magnets are
- not designed for continuous duty
- designed for continuous duty
Q16 | The maximum degree of curvature on metre gauge is
- 12?
- 16?
- 10?
- 8?
Q17 | Which of the following locomotive has the highest operational availability?
- Steam
- Diesel
- Electric
Q18 | Average weight/volume ration for ash is around
- 300 kg/m3
- 900 kg/m3
- 600 kg/m3
- 1200 kg/m3
Q19 | While dragging, the coefficient of friction (using steel plate) will be least in case of
- anthracite coal
- coke
- bituminous coal
- hog fuel
Q20 | The efficiency of diesel locomotive is in the range
- 40 to 50 percent
- 10 to 15 percent
- 60 to 70 percent
- 20 to 30 percent
Q21 | A 6 x 7 steel wire rope indicates
- The core wire has 6 mm diameter and it is covered by seven strands
- The rope has six strands and each strand is composed of seven wires
- The rope has 6 mm mean diameter and 7 mm outer diameter
- the rope has six wires and each wire has seven strands
Q22 | Kink' in a steel wire rope is produced
- when the rope is permanently elongated due to overloading
- when some strands are broken
- when a rope with a loop or twist in its length is pulled tight
- when the rope looses its springing action
Q23 | Cable ways are generally used in
- mining areas for transportation of minerals
- sleepers, pipes etc
- heavy machinery
- None of the above
Q24 | Which hoist is generally preferred for repetitive or high speed lifting?
- Magnetic lifting hoist
- Electric hoist
- Hand chain hoist
- None of the above
Q25 | Coarse salt is hygroscopic and corrosive in weight. It can be transported using
- belt conveyors
- flight conveyors
- pneumatic conveyors
- Any of the above