661: Paraffin is a by-product of

(a) Petroleum refining

(b) Processing of agricultural wastes

(c) Cottage industries involving beekeeping

(d) Leather industry
662: With reference to "Aam Admi Bima Yojana", consider the following statements:

1. The member insured under the scheme must be the head of the family or an earning member of the family in a rural landless household.

2. The Member insured must be in the age group of 30 to 65 years.

3. There is a provision for free scholarship for up to two children of the insured who are studying between classes 9 and 12.

Which of the statements given above is/ are correct?

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
Explanation:
Aam Aadmi Bima Yojana (AABY) covers death and disability insurance for the benefit of rural landless households in the country. To entail the benefits of the scheme the member should be aged between 18 and 59 years and should be either the head of the rural landless household or an earning member in the family. The scheme also provides scholarship benefit for the children of the members. A scholarship at the rate of Rs. 100/- per month will be given to maximum two children studying between 9th to 12th standard. This scholarship is payable half yearly-on 1st July and on 1st January each year. Hence option 1 and 3 are only correct
663: In the context of global oil prices. "Brent crude oil" is frequently referred to in the news. What does this term imply?

1. it is a major classification of crude oil.

2. It is sourced from north sea.

3. It does not contain sulphur.

which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
Brent Crude is one of the basis of the classifications of crude oil and is sourced from North Sea and used to price two thirds of the world's internationally traded crude oil supplies. Other classifications are Brent Sweet Light Crude, Oseberg, Ekofisk, Forties, OPEC Reference Basket, Dubai Crude and West Texas Intermediate. In many countries, including those in Europe, Brent Crude is used as a benchmark for pricing other classifications of oil. And it contains approximately 0.37 per cent of sulphur.
664: What does the term Dolby B, or Dolby C printed on tape recorders and other sound system refer to?

(a) Frequency modulated system

(b) Amplitude modulated system

(c) Noise reduction circuit

(d) Both DC and AC power can be used.
Explanation:
Term 'Dolby B' or 'Dolby C' refers to 'Noise reduction circuit', developd by 'Dolby Laboratories'.
665: Which one of the following ports of India handles the highest tonnage of import cargo ?

(a) Calcutta
(b) Kandla
(c) Mumbai
(d) Visakhapatnam