BPSC – Combined Competitive Examination · প্রশ্ন 82
Consider the following statements regarding 'heat wave': 1. A heat wave is considered if the maximum temperature of a station reaches at least 30°C or more for plains. 2. A heat wave is considered if the maximum temperature reaches at least 40°C or more for hilly regions. Which of the above statements is/are correct?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Neither 1 nor 2
ব্যাখ্যা
IMD: heat wave if max temperature ≥ 40°C (plains), ≥ 37°C (coast) or ≥ 30°C (hills), with departure criteria.
- (A) ভুল
Wrong: the thresholds are swapped.
- (B) ভুল
Wrong: plains need 40°C, not 30°C.
- (C) ভুল
Wrong: hills need 30°C, not 40°C.
- (D) সঠিক
Correct: IMD thresholds are 40°C for plains and 30°C for hills, so both are wrong.