Power Engineering 4A Exam Questions And Answers 2024

Power Engineering 4A Exam Questions And Answers 2024 C - answer1. One cubic metre is equal to: A. 1 cubic decimetre B. 1000000 litres C. 1000 litres D. 100 cubic decimeters E. 1000 cubic centimetres C - answer2. One watt is equal to: A. 1 joule B. 1 newton metre C. 1 joule/s D. 1 ampere E. 1 coulomb D - answer3. Which of the following numbers are integers: 1. 5 2. 10 3. 15 4. 25 A 1, 2, 3 B 1, 3, 4 C 2, 3, 4 D 1, 2, 3, 4 E 1, 2 E - answer4. Which of the following are prime numbers? 1. 2 2. 5 3. 7 4. 13 5. 29 A 1, 2, 3, 5 B 1, 3, 4 C 2, 3, 4 D 1, 2, 3, 4 E 1, 2, 3, 4, 5 C - answer5. Solve: b2 x b-2 A. b B. b4 + 1 C. 1 D. -4b E. b4 B - answer6. Distance is: A. always a vector quantity B. a scalar quantity C. measured in a straight line D. always measured in a circular path E. velocity /time E - answer7. When a simply supported beam is loaded with a mass of 1 tonne acting at the centre of the beam, the reaction at each end of the beam is: A. 0.4905 kN B. 9.81 kN C. 49.05 kN D. 98.1 kN E. 4.905 kN B - answer8. An example of a vector quantity is: A. speed B. velocity C. time D. magnitude E. distance B - answer9. Thermodynamics is that branch of physics which deals with the: A. measurement of heat B. transfer of heat into other forms of energy C. relationship between temperature and the electrical condition in metals D. conversion of energy into heat E. movement of heat through solids B - answer10. When the Fahrenheit reading is 312 °F the Celsius reading is: A. 148.6 °C B. 155.5 °C C. 156.26 °C D. 157.39 °C E. 158.8 °C A - answer11. The temperature of a body is a measure of: A. the quantity of heat in the body B. the quantity of cold in the body C. the quality of heat in the body D. the quality of cold in the body E. the quantity of electrons in the body B - answer12. The evaporation of a liquid: A. takes place at any temperature B. is a physical change C. increases as the pressure upon the liquid increases D. is a chemical change E. all of the above E - answer13. Where more than one view is shown in a drawing A. width is common to the front and top views B. height is common to the front and side views C. depth is common to the top and side views