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Q #21
⏰ :

Directions: These questions are based on the information and table given below.

  • Table A provides data about the wind speed reading and the corresponding increase in the Beaufort Number over the Beaufort Number of the immediately preceding Wind Speed Reading. 
  • Table B gives the Sea Disturbance Number and its corresponding Beaufort Number given in parentheses and the associated Average Wave Height. Table C gives the observable wind characteristics – i.e. the common name assigned to the wind, for the corresponding Beaufort Number.
  • Beaufort Number is 0 for Wind Speed Reading of less than 1 km/hr and for all wind speeds in excess of 1 km/hr. The Beaufort Number is calculated over that of the immediate preceding wind speed reading.
  • The number in brackets in Table B are the corresponding Beaufort Number for the given Sea Disturbance Number.

What is the range over which the Average Wave Height can very when the wind speed reading varies between 20 and 74 km/hr.

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Here an accurate interpretation of Table A would enable one to solve the entire set very easily. The Beaufort number is 0 when wind speed is less than 1 km/hr. Now let us construct a table for Beaufort numbers with the corresponding wind speed reading (i.e. cumulative of the column reading given in the second column of table A). When the Wind Speed Reading is 20 the Beaufort Number is 5. The corresponding sea Disturbance Number is 3 for which the average wave height is 0.6. When the Wind Speed Reading is 74. The Beaufort Number is 13 for which the average wave height is 4. ∴ The average wave height range is 0.6 – 4.

Q #22
⏰ :

Directions: These questions are based on the information and table given below.

  • Table A provides data about the wind speed reading and the corresponding increase in the Beaufort Number over the Beaufort Number of the immediately preceding Wind Speed Reading. 
  • Table B gives the Sea Disturbance Number and its corresponding Beaufort Number given in parentheses and the associated Average Wave Height. Table C gives the observable wind characteristics – i.e. the common name assigned to the wind, for the corresponding Beaufort Number.
  • Beaufort Number is 0 for Wind Speed Reading of less than 1 km/hr and for all wind speeds in excess of 1 km/hr. The Beaufort Number is calculated over that of the immediate preceding wind speed reading.
  • The number in brackets in Table B are the corresponding Beaufort Number for the given Sea Disturbance Number.

Which of the following is not a possible Wind Speed Reading (in km/hr) when the wind is either Light Breeze, Gentle Breeze, Moderate, Fresh or Strong?

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When the wind is either Light Breeze, Gentle, Moderate, Fresh or Strong the Beaufort numbers are 2, 4, 5, 8 or 10. The corresponding wind speeds for those Beaufort numbers are in the range of 6-61. ∴ 72 is not in any of the possible readings.

Q #23
⏰ :

Directions: These questions are based on the information and table given below.

  • Table A provides data about the wind speed reading and the corresponding increase in the Beaufort Number over the Beaufort Number of the immediately preceding Wind Speed Reading. 
  • Table B gives the Sea Disturbance Number and its corresponding Beaufort Number given in parentheses and the associated Average Wave Height. Table C gives the observable wind characteristics – i.e. the common name assigned to the wind, for the corresponding Beaufort Number.
  • Beaufort Number is 0 for Wind Speed Reading of less than 1 km/hr and for all wind speeds in excess of 1 km/hr. The Beaufort Number is calculated over that of the immediate preceding wind speed reading.
  • The number in brackets in Table B are the corresponding Beaufort Number for the given Sea Disturbance Number.

The coast guard of Bangladesh raises cautionary signal 1 for a Storm, 2 for a Gale and 3 for a Hurricane in times of inclement weather. On 5th June 2003, the wind speeds at Coastal Bangladesh were in excess of 94 km/hr. Which of the following is true regarding the cautionary signal raised?

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When the wind speeds are in excess of 94 km/hr. The corresponding Beaufort Number is 18 or 19. The wind type for Beaufort Number 18 or more is Hurricane and in times of a Hurricane the coast guard of Bangladesh raises cautionary single 3

Q #24
⏰ :

Directions: These questions are based on the information and table given below.

  • Table A provides data about the wind speed reading and the corresponding increase in the Beaufort Number over the Beaufort Number of the immediately preceding Wind Speed Reading. 
  • Table B gives the Sea Disturbance Number and its corresponding Beaufort Number given in parentheses and the associated Average Wave Height. Table C gives the observable wind characteristics – i.e. the common name assigned to the wind, for the corresponding Beaufort Number.
  • Beaufort Number is 0 for Wind Speed Reading of less than 1 km/hr and for all wind speeds in excess of 1 km/hr. The Beaufort Number is calculated over that of the immediate preceding wind speed reading.
  • The number in brackets in Table B are the corresponding Beaufort Number for the given Sea Disturbance Number.

What is the increase in the Sea Disturbance Number when the Wind Speed Reading has increased from 17 km/hr to 83 km/hr?

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When the Wind Speed Reading is 17 km/hr. The corresponding Beaufort Number is 4. The corresponding Sea Disturbance Number for this reading is 2. When the Wind Speed Reading is 83 km/hr the Beaufort Number is 16. For this Beaufort reading the corresponding Sea Disturbance Number is 7. ∴ The increase is Sea Disturbance Number is 5.

Q #25
⏰ :

Directions: These questions are based on the following tables which show the statistics of ‘Madras Textile Co.’

In which year over the past 5 years did Madras Textiles experience the highest total profit?

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Explanation: By inspection we can see that the production of Type 1 and Type 2 is highest in the year 2002 and the profits per meter are also the highest. Thus, obviously, no other year comes close to it. Alternative method : Profit in 1998 is 3456700 x 0.1 + 234900 x 0.3 + 140000 x 0.75 = 5,21,140/- Profit in 1999 is 4598700 x 0.5 + 765740 x 0.5 + 19000 x 0.25 = 6,17555/- Profit in 2001 is 6578900 x 0.1 + 345780 x 0.5 + 35900 x 1 = 8,66,680/- Profit in 2002 is 6754300 x 0.2 + 987400 x 1 + 2700 x 1.5 = 23,78,760/- ∴ Highest profit is in 2002