SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Power Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. For making steal is done in a pear shaped vessel that refines molten iron from a blast furnace and scrap into steel
Dividing the ultimate strength by the factor of safety
basic oxygen process
Celsius
hexagon
2. A quadrilateral with no parallel sides
Purpose of P & IDs
Sulfuric acid
Trapezium
A number with the necessary unit
3. Orthographic projection means...
Isosceles triangle
Permanent and removable
Sulfuric acid
View of a cutting plane
4. Sine Rule
Coefficient of friction
Adiabatic
Details of P & IDs
A / SinA = b / SinB = c / SinC
5. A straight line that joins 2 points or circumference
As a ratio
Chord
Relative density
benefits of nickel
6. The heat required to raise the temperature of water at a pressure of 225 kPa from 0
45 kN
As a ratio
520.72 kJ/kg
A
7. 1.not showing temperatures or pressures 2. piping ID numbers and sizing 3. all instrumentation 4. piping details
Details of P & IDs
A. sine of 90
Dividing the ultimate strength by the factor of safety
Calorimetry
8. coefficient of expansion
Scalene triangle
A Greek letter alpha linear
latent heat of evaporation (vaporation)
4.4 m/s
9. H2SO4 is the chemical formula for...
elasticity
Sulfuric acid
26.81 m/s
Toughness
10. 1. In a right angle triangle - the sine of an acute angle is equal to...
Scalene triangle
Celsius
Opposite side / hypotenuse
Total heat required for change of state
11. Resistance to wear - abrasion and penetration
Opposite side / hypotenuse
Mensuration
57.48 mm
hardness
12. Acute angle
Process flow drawing
polytropic
Less than 90 degrees
Areas of sectors (bounded by 2 radii and arc between them)
13. The temperature of saturated steam vapor at 980 kPa is...
179.02
elasticity
Process flow drawing
benefits of copper
14. Of a process or change taking place at constant temperature - PV = C
520.72 kJ/kg
Under deposit corrosion - enhanced oxygen generation - contact of live organisms
dryness fraction
Isothermal
15. A quadrilateral with two parallel sides
The elastic limit of the material is not exceeded
1 cm
Trapezoid
Heat engines
16. coefficient of superficial (area) expansion
elasticity
Sulfuric acid
Gamma - coefficient of superficial = 2x coefficient of linear expansion
Continuity flow
17. Refers to the length of the actual path over which a body travels - not concerned with direction - magnitude only
Complementary angles
More than 90 degrees
General gas law
distance
18. The act or process of measuring
Permanent and removable
Isothermal
Boyle's law
Mensuration
19. Expansion of a gas is said to be adiabatic when expansion takes place at...
Falling temperature
Continuity flow
1. have a basic effect 2. have an acid effect 3. be neutral 4. change red litmus paper blue
0.0723
20. If 10 m3 of a gas at a pressure of 20 kPa (gauge) and a temperature of 10
linear motion relationships
M x g x h (kg x 9.81 m/s/s x height (m))
110.6 kPa
displacement
21. Aka stray current electrolysis - caused be an external source of current - non intended paths due to poor electrical conductor
Stray current corrosion
The equilibrant
Power
Conditions required to produce sulphide corrosion cracking
22. Protons have a mass number of...
Hooke's Law
26.81 m/s
Malleability
One
23. The most common scale in use is the...
Resultant
distance
70 MPa
Celsius
24. When classifying beams - the term simple beam refers to a beam
Process flow drawing
Heat engines
That is supported at two ends
Tangent
25. In the equation 0.004 + D = 0.0042 - the value of D is...
Process flow drawing
Stray current corrosion
Composite material
0.0002
26. Right angle
Naperian (Natural) logarithms
elasticity
Calorimetry
One angle is exactly 90 degrees
27. u = initial velocity (m/s) - v = final velocity (m/s) - t = time (s) - s = distance (m) - a = acceleration (m/s/s) - g = acceleration due to gravity (m/s/s)
Naperian (Natural) logarithms
linear motion relationships
A. sine of 90
A
28. The relationship between the pressure and volume of a gas at constant temperture; when volume increase - pressure decreases.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
29. A automobile travels at 60 miles per hour. Expressed in metres per second - this would be equivalent to...
A twisting or turning effect
Increase
26.81 m/s
polygon
30. Potential energy (Ep)
White metal and bronze
White
M x g x h (kg x 9.81 m/s/s x height (m))
Toughness
31. Work per second
Pm x A x L x N
70 MPa
White metal and bronze
benefits of copper
32. A = arc length x radius / 2 - A = (pi/360) x pir2 - length of radii and angle between radii known
Areas of sectors (bounded by 2 radii and arc between them)
Rhomboid
Chord
effective pressure
33. P & IDs
Details of P & IDs
Specific heat
Resultant
Mechanical flow diagrams
34. Is a number that appears naturally in some higher- level mathematics is 2.71828 (correct to 5 decimal places)
The equilibrant
Naperian (Natural) logarithms
Continuity flow
Transformed to different forms
35. The amount of heat required to completely melt 25 kg of ice from a temperature of -10
Adiabatic
Chlorides
As a ratio
8908 kJ
36. Velocity ratio is...
Ideal mechanical advantage
hardness
Calorimetry
ellipse
37. Use of the equation PV = a constant - means the numerical result of pressure times volume for a compression or expansion process will
A. sine of 90
Isothermal
That is supported at two ends
Be the same at any point in the process
38. The force that is equal in magnitude but opposite in direction to the resultant force is called
Stress corrosion cracking
The equilibrant
Transformed to different forms
A twisting or turning effect
39. Work per power stroke (J)
179.02
Pm x A x L
More than 90 degrees
Mass x acceleration (N)
40. The dryness fraction of steam at a pressure of 400 kPa and a heat content of 2500 kJ/kg is...
Pm x A x L x N
Mass x acceleration (N)
0.89
A
41. The working stress of a material that has an ultimate strength of 490 MPa and a safety factor of 7 would be...
520.72 kJ/kg
70 MPa
Naperian (Natural) logarithms
Increase
42. The term _____ is used as a measure of the quantity of matter.
Octagon
Be the same at any point in the process
Mass
Work
43. coefficient of volumetric expansion
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
44. Whether a material will break under sudden impact or hard blow
View of a cutting plane
benefits of chromium
Toughness
Specific heat
45. Resistance to corrosion and oxidation at high temperatures - improves toughness - prevents brittleness at low temperatures - increases strength without affecting toughness - amounts range from 1-4% - high impact resistance at amounts as high as 36% -
M x g x h (kg x 9.81 m/s/s x height (m))
Greater than 180 degrees
Isothermal
benefits of nickel
46. Malleable cast iron is produced by...
Heating and cooling white cast iron at a controlled rate
Heat engines
Gamma - coefficient of superficial = 2x coefficient of linear expansion
Transformed to different forms
47. If a right- angle triangle has an angle of 28O 37' and the hypotenuse is 120 mm - the length of the opposite side is...
57.48 mm
0.0002
Pm x A x L x N
Sensible heat
48. All sides equal - all angles are equal and opposite sides parallel - divided into 6 ISOSCELES triangles - each angle in an octagon is 135 - A = 4.83s2
Octagon
White metal and bronze
Trapezium
Increase
49. Steam turbine bearings are usually made of...
latent heat of evaporation (vaporation)
Ideal mechanical advantage
benefits of chromium
White metal and bronze
50. The ratio of the density of a substance to the density of a standard substance at the same temperature and pressure - the ratio of the density of the substance to the density of the substance to the density of water
Purpose of material balance
Chlorides
Under deposit corrosion - enhanced oxygen generation - contact of live organisms
Relative density