Water in an open container boils at a lower temperature when heated at the top of a mountain than at sea-level because at the top of a mountain the?
A. relative humidity is higher than at sea-level B. rays of the sun add more heat to the water C. temperature is lower than that at sea-level D. pressure is lower than that at sea-level E. pressure is more than that at sea-level Correct Answer: Option D –...
Which of the following statements is/are not correct?
A. Evaporation takes place only at the surface of the liquid B. Boiling takes place throughout the volume of the liquid C. Evaporation takes place at all temperatures D. Boiling takes place at a particular temperature for a liquid at a fixed external pressure E. The...
Which of the following surfaces will radiate heat energy best?
A. Red B. White C. Black D. Yellow E. Blue Correct Answer: Option C – Black
A thermometer has its stem marked in millimeter instead of degree Celsius. The lower fixed point is 30mm and the upper is 180mm. Calculate the temperature in degree celsius when the thermometer reads 45mm.
A. 67.5°C B. 30.0°C C. 25.0°C D. 15.0°C E. 10.0°C Correct Answer: Option E – 10.0°C Explanation θ = (x/y) x 100. where x = UFP -LFP -another scale, and y = UFP – LFP for celsius scale. => {(45-30)/(180-30)} x 100 =...Products
-
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Co-Ownership Structures and Land Acquisition Methods in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Rights in Community Land and Fundamental Land Concepts in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Customary Land Control and the Origins of Nigeria's Land Use Act
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Land Ownership Principles and Transaction Laws in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.