1.
Which is/are the important raw material(s) required in cement industry?
A. Gypsum and Clay
B. Clay
C. Limestone and Clay
D. Limestone
Answer & Explanation
Answer: Option C
Explanation:
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2.
Which type of fire extinguisher is used for petroleum fire?
A. Powder type
B. Liquid type
C. Soda acid type
D. Foam type
Answer & Explanation
Answer: Option A
Explanation:
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3.
Which of the following is commonly called a ‘polyamide’?
A. Terylene B. Nylon
C. Rayon D. Orlon
Answer & Explanation
Answer: Option B
Explanation:
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4.
Epoxy resins are used as
A. detergents B. insecticides
C. adhesives D. moth repellents
Answer & Explanation
Answer: Option C
Explanation:
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5.
Detergents used for cleaning clothes and utensils contain?
A. bicarbonates B. bismuthates
C. sulphonates D. nitrates
Answer & Explanation
Answer: Option C
Explanation:
No answer description available for this question.