The volume of an ideal gas at a pressure of 77cmHg and temperature 60°C is 24cm³. If the temperature and pressure are increased to 98°C and 81cmHg respectively, calculate the new volume of the gas
A. 411.5cm³ B. 267.1cm³ C. 254.2cm³ D. 112.7cm³ Correct Answer: Option C C. 254.2cm³A given mass of an ideal gas has a pressure of 500Nm‾² at -13ºC. If its volume remains constant. Calculate its pressure at 247°C.
A. 25Nm‾² B. 50Nm‾² C. 500Nm‾² D. 1000Nm‾² Correct Answer: Option D D. 1000Nm‾²A resistance thermometer has a resistance of 20Ω at 0°C and 85Ω at 100°C. If its resistance is 52Ω in a medium, calculate the corresponding temperature
A. 49.2°C B. 60.6°C C. 80.0°C D. 84.7°C Correct Answer: Option A A. 49.2°C Explanation 85Ω ……..100°C 52Ω ……..θ°C 20Ω ……..0°C (52−20)/(85−20) = (θ−0)/(100−0) θ = (32×100)/65...A beam PQ pivoted at P carries a load of 80N as shown above. Calculate the effort E, required to keep it horizontal. [neglect the weight of the beam]
A. 32.0N B. 26.7N C. 16.0N D. 13.3N Correct Answer: Option D D. 13.3N Explanation E x 3 = 80 x 0.5 E3 = 40 E = 40/3=13.3NA screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the Tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [π=3.142]
A. 21 B. 38 C. 48 D. 151 Correct Answer: Option D D. 151 Explanation P = 25/50=0.5 V.R = 2πD/p =(2×3.142×12)/0.5 = 151Products
-
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.