Related Questions

sabina must be a nurse. She is wearing an apron. The conclusion above is valid only if it is true that:
A all nurses wear apron
B only nurses wear apron
C nurses often wear apron
D only female nurses wear apron
If D is the depth of scour below original bed, then the width of launching apron is generally taken as
A 1.2 D
B 1.5 D
C 2.0 D
D 2.5 D
Trough of an apron conveyor is made of
A Lead lined concrete vessel
B Wood
C Metal
D Either B or C
For material transportation, conveyors are used when the prevailing conditions include
A Loads are uniform
B Routes do not vary
C Materials move relatively continuously
D All of these
If a D.C. motor is to be selected for conveyors, which rioter would be preferred?
A Series motor
B Shunt motor
C Differentially compound motor
D Cumulative compound motor
Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?
A Bucket conveyor
B Flight conveyor
C Screw conveyor
D Both B and C
Screw conveyors are
A run at very high rpm
B suitable for sticky materials
C suitable tor highly abrasive materials
D all A, B and C
If a D.C. motor is to be selected for conveyors, which motor would be preferred ?
A Series motor
B Shunt motor
C Differentially compound motor
D Cumulative compound motor
Which of the following mechanical conveyors does not come under the division 'carriers'?
A Belt conveyor
B Bucket elevator
C Screw conveyor
D Apron conveyor
Which of the follwoing mechanical conveyors does not come under the division 'scrapers'?
A Ribbon conveyor
B Flight conveyor
C Bucket elevators
D Drag conveyor

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