Related Questions

Vulcanizing means
A Heating rubber urider pressure
B Spraying with special paint
C Melting rubber while stirring it
D None of these
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
A Ammonium alum
B Potassium alum
C Both A & B
D Neither A nor B
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A Poorer tensile strength
B Poorer resistance to oxidation
C Greater amount of heat build-up under heavy loading
D All of the above
Styrene butadiene rubber (SBR) as compared to natural rubber has
A Poor tensile strength
B Poorer resistance
C Greater amount of heat build up heavy loading
D All of the above
Identify the sentence in which the word element (s) refers to 'suitable or favourable environment. (1) There is an element of truth in your story. (2) Water is composed of elements of hydrogen and oxygen. (3) I feel out of my elements in political discussions. (4) Water is a natural element for fish
A (4)
B (3)
C (1) and (2)
D (1)
The __________ element must reference either an ‘altGlyphDef’ element or a ‘glyph’ element.
A href
B src
C animate
D altGlyph
__________ rubber is generally used for making 'O' rings used for vacuum sealings.
A Natural
B Neoprene
C Butadiene
D Nitrile
Which of the following is used as filler in tyre of rubber ?
A Carbon black
B Coal
C Coke
D Graphite
Which of the following is used for the concentration of rubber latex?
A Agitated film evaporator
B Long tube vertical evaporator
C Short tube evaporator
D Calendria
Which of the following is generally not used as eord for synthetic rubber tyre casing?
A Dacron
B Nylon
C Cellulose
D None of these

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