Related Questions

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
A Dilute H2SO4
B Oleum
C Ultraviolet light
D None of these
If 15 men working independently and at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men working independently and at the same rate manufacture in 40 minutes?
A 27
B 35
C 40
D 54
If 15 men working at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?
A 27
B 54
C 35
D 40
Which of the following materials is used in the manufacture of resistance grids to be used in the starters of largemotors ?
A Copper
B Aluminium
C Steel
D Cast-iron
Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
A Sulphuric acid
B Phosphoric acid
C Hydrochloric acid
D Hydroflouric acid
Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its
A High co-efficient of thermal expansion
B Low thermal conductivity
C High corrosion resistance
D All of the above
____ the passage of light, many new plastics are processed using technologies rivaling those used in the manufacture of computer chips.
A To better permit
B For the better of
C Permitting better
D It is better for
Which of the following is used for removing air bubbles from glass during its manufacture?
A Arsenous oxide
B Potassium carbonate
C Soda ash
D Feldspar
Which of the following metals is used for the manufacture of heating elements provided in electric iron ?
A Nickel
B Chromium
C Nichrome
D Tungsten
The gas used in the manufacture of vanaspati from vegetable oil is
A hydrogen
B oxygen
C nitrogen
D carbon dioxide

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