61.

In which of the following industries is mica as a raw material?
A. Cement B. Glass and Pottery
C. Iron and Steel D. Electrical
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
62.

Radiocarbon dating technique is used to estimate the age of
A. rocks B. monuments
C. soil D. fossils
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
63.

Identify the vector quantity from the following
A. Heat B. Angular momentum
C. Time D. Work
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
64.

Large astronomical telescopes always use as objective
A. lens B. mirror
C. combinations of lenses D. None of the above
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
65.

One should not connect a number of electrical appliances to the same power socket because
A. this can damage the appliances due to overloading B. this can damage the domestic wiring due to overloading
C. this can damage the electrical meter D. the appliance will not get full voltage
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.