Related Questions

A heat treated glass generally used in automobiles bursts into ________ upon cracking,
A Sharp edged fragments
B Small particles
C Large particles
D None of these
Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than
A 5
B 10
C 20
D 35
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
A 100
B 200-300
C 1000-10000
D 10
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
A Gives higher yield of petrol
B Lower octane number of petrol
C Higher sulphur content in the product
D Higher gum forming material in petrol
In distributing milk at a summer camp it is found that a quart of milk will fill either 3 large glass tumblers. How many small glass tumblers can be filled with one large glass tumbler ?
A 11/5
B 7/5
C 5/3
D 7/3
In distributing milk at a summer camp it is found that a quart of milk will fill either 3 large glass tumblers or 5 small lass tumblers. How many small glass tumblers can be filled with one large glass tumbler?
A 11/5
B 7/5
C 5/3
D 7/3
A glass when full of milk, weighs 1 kg. It weighs 0.75 kg when the glass is half full. What is weight of the empty glass?
A 0.25 kg
B 0.35 kg
C 0.40 kg
D 0.50 kg
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is
A Polyvinyl alcohol
B Polyvinyl acetale
C Polyvinyl butyral
D PVC
Laminated cores, in electrical machines, are used to reduce
A Copper loss
B Eddy current loss
C Hysteresis loss
D All of the above
The armature of D.C. generator is laminated to
A reduce the bulk
B provide the bulk
C insulate the core
D reduce eddy current loss

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