A tap supplies water at 30°C while another supplies at 86°C. If a man wishes to bath with water at 44°C, calculate the ratio of mass of hot water to that of cold water required
A. 1:3 B. 3:1 C. 3:7 D. 7:3 E. 15:8 Correct Answer: Option A – 1:3
The instrument used in the measurement of atmospheric pressure is?
A. Hydrometer B. Ratemeter C. Barometer D. Photometer E. Manometer Correct Answer: Option C – Barometer
A gas occupies a certain volume at 27°C. At what temperature will its volume be three times the original volume assuming that its pressure remains constant?
A. 81°C B. 162°C C. 354°C D. 627°C E. 900°C Correct Answer: Option D – 627°C
What temperature is recorded in degree Celsius when the length of the mercury thread is 33.6mm above the ice point mark?
The ice and steam points on a mercury in glass thermometer are found to be 90mm apart. What temperature is recorded in degree Celsius when the length of the mercury thread is 33.6mm above the ice point mark? A. 33.6°C B. 35.0°C C. 37.3°C D. 52.7°C E. 62.7°C Correct...Products
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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