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কোন এক বৃষ্টির দিনে ফাউজিয়া জানালার পাশে দাঁড়িয়ে দেখছিল বৃষ্টি উলম্বভাবে 6 km/hr বেগে পতিত হচ্ছে। ফাউজিয়া লক্ষ্য করল, রাস্তায় একজন লোক 4 km/hr বেগে হাঁটছে এবং অপরজন 8 km/hr বেগে সাইকেলে যাচ্ছে। হেঁটে চলা লোকটির সাপেক্ষে পড়ন্ত বৃষ্টির লব্ধি বেগ কত? (On a rainy day, Faoziya observed that rain was falling with a vertical velocity of 6 km/hr. She also saw that a person was walking with 4 km/hr and another person was riding a bi- cycle with 8 km/hr. What is the resultant velocity of rain with respect to the walking person?)
"It has a gauge that tells you when you are running low on gases"Which pair fits to label the (gauge,low) parts of the sentence?
The standard length of rail for Broad Gauge and Meter Gauge are respectively
To ensure exact gauge, the gauge tie plates are provided at
Tipping bucket used in the rain gauge will turn under the action of --------.
In India, which of the following is adopted as standard recording rain-gauge?
From 7 : 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
What is the position of the Indian Railway under one management are also credited with having a multi gauge and multi traction system?