Related Questions

Nylon, a synthetic →adonefrom →b a combination of water, air and a by -product→c of coal was frist →dintroduced in 1938.
A a
B b
C c
D d
Nylon threads are made of
A Polyester polymer
B Polyamide polymer
C Polyvinyl polymer
D Polysaccharide
Dacron (or terylene) fibres as compared to nylon fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
Dacron (or terylene) fibres as compared to nylon's fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
Nylon is a type of
A Polyamide
B Polyolefin
C Polyester
D Acrylic
Nylon is made up of :
A Polyamide
B Polyester
C Polyethylene
D Polypropylene
Nylon 6: 6 উৎপাদনে প্রভাবক কোনটি?
A TiCl4
B TiCl3
C TiO2
D TiO
If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day?
A P
B Q
C R
D S
Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
A Cresylic acid
B Xanthaies
C Pine oil
D All of the above
Read the following passage carefully and then choose the right word to complete the sentence that follows. Rockets are very expensive as it can be used only once. Appled scientists have therefore develped a reusable space craft called a space shuttle which takes off like a rocket; however, does no get destroyed as it returns to earth. It can also be used to lunch satellired into space, retrieve them from space if any repairing os required and allow around 8 scientists to crryout experiments in space. The space shuttle does not get.
A flattened
B enlarged
C ruined
D developed

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