Related Questions

Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
Melt : Liquid :: Freeze:?
A Ice
B Condense
C Solid
D Crystal
Identify one of the quotation parts that must be changed to make the sentence correct. Rocks can be 'broken apart' by water that seeps into the cracks and 'freeze' in low 'temperatures'. 'No Error'
A broken apart
B freeze
C temperatures
D no error
"Freeze Windows Panes" is an Excel command which helps in :
A Saving of freezing a document so that unauthorised changes couldn't be made
B Reviewing a worksheet by holding dome columns and sliding other
C Passward protection
D None of above
In a very low temperature which form the following will freeze at last?
A River water
B Canal water
C Sea water
D Water in Lake
In a very low temperature which from the following will freeze at last?
A River water
B Canal water
C Sea water
D Water in a lake
Substance used as an anti freeze in radiators of automobiles is :
A Methyl alcohol and H2O
B Methyl alcohol
C Ethyl alcohol
D Ethyl alcohol and H2O
Which one of the following is used as an anti-freeze for the automobile engines ?
A Propyl alcohol
B Ethanol
C Methanol
D Ethylene glycol
Surface water of a lake is about to freeze. What will be the temperature (in °C) of water at the bottom of the lake?
A 0
B -1
C 1
D 4
Mechanism of moisture removal in case of freeze drying of food stuff is by
A Evaporation
B Sublimation
C Dehydration
D Adsorption

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