Cement setting under water employs a/an _______________ process ?
A. Hydration
B. Decomposition
C. Oxidation
D. Reduction
Month: February 2019
Hydrogenation of vegetable oils is a/an _______________ reaction ?
Hydrogenation of vegetable oils is a/an _______________ reaction ?
A. Endothermic
B. Autocatalytic
C. Exothermic
D. Homogenous
Oxygen is produced by fractionation of air using _____________ process?
Oxygen is produced by fractionation of air using _____________ process?
A. Linde’s
B. Claude’s
C. Either A. or B.
D. None of these
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the _____________ process?
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the _____________ process?
A. Mechanical
B. Sulphate/Kraft
C. Sulphite
D. Neutral sulphite semi-chemical
Synthetic glycerine is produced from___________________?
Synthetic glycerine is produced from___________________?
A. Toluene
B. Phenol
C. Propylene
D. Naphthalene
Oil produced by solvent extraction________________?
Oil produced by solvent extraction________________?
A. Has low free fatty acid content
B. Is odourless
C. Both A. & B.
D. Neither A. nor B.
‘Hollander beater’ machine used in the paper manufacturing plant does not accomplish the task of____________________?
‘Hollander beater’ machine used in the paper manufacturing plant does not accomplish the task of____________________?
A. Final rolling out of paper
B. Cutting of fibres
C. Hydration of fibres
D. Fibrillation of fibre
Which of the following is a constituent of vinegar ?
Which of the following is a constituent of vinegar ?
A. Around 10% alcohol
B. Around 1% acetic acid
C. Both A. and B.
D. Neither A. nor B.
Dehydrogenation of Isopropanol produces ____________________?
Dehydrogenation of Isopropanol produces ____________________?
A. Propyl alcohol
B. Acetone
C. Trichloroethylene
D. Formaldehyde
Phthalic anhydride is made by the ______________________?
Phthalic anhydride is made by the ______________________?
A. Oxidation of naphthalene
B. Oxidation of benzene
C. Dehydrogenation of ethyl benzene
D. None of these