Power Engineering 4A

POWER ENGINEERING 4A COMPLETE
DETAILED CASE STUDY

i 1. 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



2. One watt is equal to:



A. 1 joule

B. 1 newton metre

C. 1 joule/s

D. 1 ampere

E. 1 coulomb - C



3. 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 - D



4. 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 - E



5. Solve: b2 x b-2



A. b

B. b4 + 1

C. 1

D. -4b

E. b4 - C



6. 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 - B



7. 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 - E



8. An example of a vector quantity is:



A. speed

B. velocity

C. time

D. magnitude

E. distance - B



9. 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