Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Looks Fam Refresher > Looks Fam Website > Flashcards

Looks Fam Website Flashcards

1
Q
  1. Liquids:
A

B do not occupy definite shape.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q
  1. Specific weight of liquid:
A

Does not vary on any other planet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q
  1. Specific weight of liquid:
A

Does not vary on any other planet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. The specific weight of water is 1000 kg/m³
A

D all the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. The specific weight of water is 1000 kg/m³
A

D all the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Specific weight of sea water is more than that of pure water because of:
A

all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Specific weight of sea water is more than that of pure water because of:
A

all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. Water belongs to:
A

A Newtonian fluids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. Water belongs to:
A

A Newtonian fluids.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Fluids change the volume under external pressure due to:
A

C compressibility.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Fluids change the volume under external pressure due to:
A

C compressibility.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Molecules of fluids get attracted due to:
A

D adhesion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Molecules of fluids get attracted due to:
A

D adhesion.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Falling drops of water become spheres due to:
A

C surface tension.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Falling drops of water become spheres due to:
A

C surface tension.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. In an open tube
A

free surface of mercury remains:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. In an open tube
A

free surface of mercury remains:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. If cohesion between the molecules of a fluid is more than adhesion between the fluid and glass
A

the free level of fluid in a dipped glass tube will be:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. If cohesion between the molecules of a fluid is more than adhesion between the fluid and glass
A

the free level of fluid in a dipped glass tube will be:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. A rise or fall of liquid in a glass tube of a very small diameter when dipped is:
A

Directly proportional to the diameter of the glass tube.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. A rise or fall of liquid in a glass tube of a very small diameter when dipped is:
A

Directly proportional to the diameter of the glass tube.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Hydrostatic pressure on a dam depends upon its:
A

D both (b) and (c).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Hydrostatic pressure on a dam depends upon its:
A

D both (b) and (c).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Barometers are used to measure:
A

C atmospheric pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Barometers are used to measure:
A

C atmospheric pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Piezometers are used to measure:
A

very low pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Piezometers are used to measure:
A

very low pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Manometers are used to measure:
A

Pressure in water channels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Manometers are used to measure:
A

Pressure in water channels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Differential manometers are used to measure:
A

B difference in pressure at two points.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Differential manometers are used to measure:
A

B difference in pressure at two points.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. The pressure less than atmospheric pressure
A

is known:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. The pressure less than atmospheric pressure
A

is known:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. Atmospheric pressure varies with:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. Atmospheric pressure varies with:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. Mercury is generally used in barometers because:
A

D both (a) and (b) above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. Mercury is generally used in barometers because:
A

D both (a) and (b) above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid
A

if:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid
A

if:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. The center of pressure of a vertical plane immersed in a liquid is at:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. The center of pressure of a vertical plane immersed in a liquid is at:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. On an inclined plane
A

center of pressure is located:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. On an inclined plane
A

center of pressure is located:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
  1. When a body is totally or partially immersed in a fluid
A

it is buoyed up by a force equal to:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
  1. When a body is totally or partially immersed in a fluid
A

it is buoyed up by a force equal to:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. A floating body attains stable equilibrium if its metacenter is:
A

B above the centroid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. A floating body attains stable equilibrium if its metacenter is:
A

B above the centroid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. Center of buoyancy is:
A

B centroid of the fluid displaced.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. Center of buoyancy is:
A

B centroid of the fluid displaced.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. The rise of the liquid along the walls of a revolving cylinder above the initial level
A

is:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. The rise of the liquid along the walls of a revolving cylinder above the initial level
A

is:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. When a liquid rotates at constant angular velocity about a vertical axis of a rigid body
A

the pressure:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. When a liquid rotates at constant angular velocity about a vertical axis of a rigid body
A

the pressure:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point
A

is called:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point
A

is called:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
  1. In fluids
A

steady flow occurs when:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
  1. In fluids
A

steady flow occurs when:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. Uniform flow is said to occur when:
A

A size and shape of the crosssection in a particular length remain constant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. Uniform flow is said to occur when:
A

A size and shape of the crosssection in a particular length remain constant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. If velocities of fluid particles vary from point to point in magnitude and direction
A

as well as from instant to instant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. If velocities of fluid particles vary from point to point in magnitude and direction
A

as well as from instant to instant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
  1. A steady uniform flow is through:
A

D a long pipe at constant rate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
  1. A steady uniform flow is through:
A

D a long pipe at constant rate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q
  1. A nonuniform steady flow is through:
A

A an expanding tube at constant rate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q
  1. A nonuniform steady flow is through:
A

A an expanding tube at constant rate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q
  1. The continuity equation:
A

B relates mass rate of flow along a streamline.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q
  1. The continuity equation:
A

B relates mass rate of flow along a streamline.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. Equation of continuity of fluids is applicable only if:
A

D all the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. Equation of continuity of fluids is applicable only if:
A

D all the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. The flow in which each liquid particle has a definite path
A

and the paths of adjacent particles do not cross each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. The flow in which each liquid particle has a definite path
A

and the paths of adjacent particles do not cross each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
  1. Total head of a liquid particle in motion is the sum of:
A

D potential head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
  1. Total head of a liquid particle in motion is the sum of:
A

D potential head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
  1. The main assumption of Bernoulli’s equation is:
A

D All the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
  1. The main assumption of Bernoulli’s equation is:
A

D All the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
  1. Reynold number is the ratio of initial force and:
A

D viscosity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
  1. Reynold number is the ratio of initial force and:
A

D viscosity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
  1. The velocity of the fluid particle at the center of the pipe section
A

is:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
  1. The velocity of the fluid particle at the center of the pipe section
A

is:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
  1. An independent mass of a fluid does not possess:
A

Pressure Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
  1. An independent mass of a fluid does not possess:
A

Pressure Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  1. Frictional loss of head includes the loss of energy due to:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  1. Frictional loss of head includes the loss of energy due to:
A

none of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
  1. Energy equation is usually applicable to:
A

A steady flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
  1. Energy equation is usually applicable to:
A

A steady flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
  1. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different crosssections of a conduit
A

is known as:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
  1. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different crosssections of a conduit
A

is known as:

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q
  1. Hydraulic grade line:
A

A may be above or below the center line of conduit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q
  1. Hydraulic grade line:
A

A may be above or below the center line of conduit.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q
  1. A pitot tube is used to measure:
A

A velocity of flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q
  1. A pitot tube is used to measure:
A

A velocity of flow.

46
Q
  1. The ratio of the inertia and viscous forces acting in any flow
A

ignoring other forces

46
Q
  1. The ratio of the inertia and viscous forces acting in any flow
A

ignoring other forces

47
Q
  1. The ratio of the inertia and gravitational force acting in any flow
A

ignoring other forces

47
Q
  1. The ratio of the inertia and gravitational force acting in any flow
A

ignoring other forces

48
Q
  1. Mach number is the ratio of inertia force to:
A

Elasticity

48
Q
  1. Mach number is the ratio of inertia force to:
A

Elasticity

49
Q
  1. Weber number is the ratio of inertia force to:
A

C surface tension.

49
Q
  1. Weber number is the ratio of inertia force to:
A

C surface tension.

50
Q
  1. A piezometer opening in pipes measures:
A

B static pressure.

50
Q
  1. A piezometer opening in pipes measures:
A

B static pressure.

51
Q
  1. Manning’s formula is used for:
A

C head loss due to friction in open channels.

51
Q
  1. Manning’s formula is used for:
A

C head loss due to friction in open channels.

52
Q
  1. For a long pipe
A

the head loss:

52
Q
  1. For a long pipe
A

the head loss:

53
Q
  1. Hydraulic radius is equal to:
A

C area divided by wetted perimeter.

53
Q
  1. Hydraulic radius is equal to:
A

C area divided by wetted perimeter.

54
Q
  1. The magnitude of water hammer in a pipe depends upon:
A

D all the above.

54
Q
  1. The magnitude of water hammer in a pipe depends upon:
A

D all the above.

55
Q
  1. For the most economical rectangular section of a channel
A

the depth is kept:

55
Q
  1. For the most economical rectangular section of a channel
A

the depth is kept:

56
Q
  1. For the most economical trapezoidal section of a channel with regards to discharge
A

the required condition is:

56
Q
  1. For the most economical trapezoidal section of a channel with regards to discharge
A

the required condition is:

57
Q
  1. Most economical section of a triangular channel is:
A

right angled triangle with equal sides

57
Q
  1. Most economical section of a triangular channel is:
A

right angled triangle with equal sides

58
Q
  1. Most economical section of a circular channel for maximum discharge:
A

all of the above

58
Q
  1. Most economical section of a circular channel for maximum discharge:
A

all of the above

59
Q
  1. The most efficient channel section is:
A

semi-circular

59
Q
  1. The most efficient channel section is:
A

semi-circular

60
Q
  1. The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface is:
A

B hydraulic jump.

60
Q
  1. The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface is:
A

B hydraulic jump.

61
Q
  1. An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be:
A

lesser than static pressure.

61
Q
  1. An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be:
A

lesser than static pressure.

62
Q
  1. The metacentric height of a body equals the distance between:
A

A the metacenter and center of gravity.

62
Q
  1. The metacentric height of a body equals the distance between:
A

A the metacenter and center of gravity.

63
Q
  1. In steady flow
A

which one of the following changes with time:

63
Q
  1. In steady flow
A

which one of the following changes with time:

64
Q
  1. For a most economical rectangular channel
A

the width of the channel must be:

64
Q
  1. For a most economical rectangular channel
A

the width of the channel must be:

65
Q
  1. For a most economical rectangular channel
A

the hydraulic mean depth is equal to:

65
Q
  1. For a most economical rectangular channel
A

the hydraulic mean depth is equal to:

66
Q
  1. For a most economical trapezoidal open channel
A

the half of the top width must be equal to:

66
Q
  1. For a most economical trapezoidal open channel
A

the half of the top width must be equal to:

67
Q
  1. For the most economical trapezoidal open channel:
A

D all of these.

67
Q
  1. For the most economical trapezoidal open channel:
A

D all of these.

68
Q
  1. The best side slope for the most economical trapezoidal section is:
A

60°

68
Q
  1. The best side slope for the most economical trapezoidal section is:
A

60°

69
Q
  1. For critical depth of flow of water in open channels
A

the specific energy must be:

69
Q
  1. For critical depth of flow of water in open channels
A

the specific energy must be:

70
Q
  1. Find the swell of a soil that weighs 1661 kg/m³ in its natural state and 1186 kg/m³ after excavation.
A

0.4

70
Q
  1. Find the swell of a soil that weighs 1661 kg/m³ in its natural state and 1186 kg/m³ after excavation.
A

0.4

71
Q
  1. Find the shrinkage of a soil that weighs 1661 kg/m³ in its natural state and 2077 kg/m³ after compaction.
A

B 20%

71
Q
  1. Find the shrinkage of a soil that weighs 1661 kg/m³ in its natural state and 2077 kg/m³ after compaction.
A

B 20%

72
Q
  1. A soil weighs 1163 kg/LCM
A

1661 kg/BCM

72
Q
  1. A soil weighs 1163 kg/LCM
A

1661 kg/BCM

73
Q
  1. A soil weighs 1163 kg/LCM
A

1661 kg/BCM

73
Q
  1. A soil weighs 1163 kg/LCM
A

1661 kg/BCM

74
Q
  1. Find the base width and height of a triangular spoil bank containing 76.5 BCM if the pile length is 9.14 m
A

the soil’s angle of repose is 37°

74
Q
  1. Find the base width and height of a triangular spoil bank containing 76.5 BCM if the pile length is 9.14 m
A

the soil’s angle of repose is 37°

75
Q
  1. Find the base diameter and height of a conical spoil pile that will contain 76.5 BCM of excavation if the soil’s angle of repose is 32° and its swell is 12%.
A

B D = 10.16m H = 3.17m

75
Q
  1. Find the base diameter and height of a conical spoil pile that will contain 76.5 BCM of excavation if the soil’s angle of repose is 32° and its swell is 12%.
A

B D = 10.16m H = 3.17m

76
Q
  1. Find the volume (bank measure) of excavation required for a trench 0.92 m wide
A

1.83 m deep

76
Q
  1. Find the volume (bank measure) of excavation required for a trench 0.92 m wide
A

1.83 m deep

77
Q
  1. Estimate the actual bucket load in bank cubic meters for a loader bucket whose heaped capacity is 3.82 m³. The soil’s bucket fill factor is 0.90 and its load factor is 0.80.
A

B 2.75 BCM

77
Q
  1. Estimate the actual bucket load in bank cubic meters for a loader bucket whose heaped capacity is 3.82 m³. The soil’s bucket fill factor is 0.90 and its load factor is 0.80.
A

B 2.75 BCM

78
Q
  1. Find the expected production in loose cubic meters (LCM) per hour of a small hydraulic excavator.
A

C 113 LCM/h

78
Q
  1. Find the expected production in loose cubic meters (LCM) per hour of a small hydraulic excavator.
A

C 113 LCM/h

79
Q
  1. Find the expected production in loose cubic meters (LCM) per hour of a 2.3m³ hydraulic shovel.
A

290 LCM/h

79
Q
  1. Find the expected production in loose cubic meters (LCM) per hour of a 2.3m³ hydraulic shovel.
A

290 LCM/h

80
Q
  1. Determine the expected dragline production in loose cubic meters (LCM) per hour based on the provided information.
A

A 165 LCM/h

80
Q
  1. Determine the expected dragline production in loose cubic meters (LCM) per hour based on the provided information.
A

A 165 LCM/h

81
Q
  1. Estimate the production in loose cubic meters per hour for a mediumweight clamshell excavating loose earth.
A

A 53 LCM/h

81
Q
  1. Estimate the production in loose cubic meters per hour for a mediumweight clamshell excavating loose earth.
A

A 53 LCM/h

82
Q
  1. A wheel tractorscraper weighing 91 t is being operated on a haul road with a tire penetration of 5 cm. What is the total resistance (kg) and effective grade when ascending a slope of 5%?
A

A Total Resistance = 9100 kg; Effective Grade = 10%

82
Q
  1. A wheel tractorscraper weighing 91 t is being operated on a haul road with a tire penetration of 5 cm. What is the total resistance (kg) and effective grade when ascending a slope of 5%?
A

A Total Resistance = 9100 kg; Effective Grade = 10%

83
Q
  1. A wheel tractorscraper weighing 91 t is being operated on a haul road with a tire penetration of 5 cm. What is the total resistance (kg) and effective grade when descending a slope of 5%?
A

C Total Resistance = 0 kg; Effective Grade = 0%

83
Q
  1. A wheel tractorscraper weighing 91 t is being operated on a haul road with a tire penetration of 5 cm. What is the total resistance (kg) and effective grade when descending a slope of 5%?
A

C Total Resistance = 0 kg; Effective Grade = 0%

84
Q
  1. A crawler tractor weighing 36 t is towing a rubbertired scraper weighing 45.5 t up a grade of 4%. What is the total resistance (kg)?
A

A 5535 kg

84
Q
  1. A crawler tractor weighing 36 t is towing a rubbertired scraper weighing 45.5 t up a grade of 4%. What is the total resistance (kg)?
A

A 5535 kg

85
Q
  1. A fourwheeldrive tractor weighs 20
A

000 kg and produces a maximum rimpull of 18

85
Q
  1. A fourwheeldrive tractor weighs 20
A

000 kg and produces a maximum rimpull of 18

86
Q
  1. A powershift crawler tractor has a rated blade capacity of 7.65 LCM. Estimate the production of the dozer.
A

C 271 LCM/h

86
Q
  1. A powershift crawler tractor has a rated blade capacity of 7.65 LCM. Estimate the production of the dozer.
A

C 271 LCM/h

87
Q
  1. Estimate the hourly production in loose volume (LCM) of a 2.68m³ wheel loader.
A

B 168 LCM/h

87
Q
  1. Estimate the hourly production in loose volume (LCM) of a 2.68m³ wheel loader.
A

B 168 LCM/h

88
Q
  1. Estimate the production of a singleengine twoaxle tractor scraper.
A

B 192 BCM/h

88
Q
  1. Estimate the production of a singleengine twoaxle tractor scraper.
A

B 192 BCM/h

89
Q
  1. The estimated cycle time for a wheel scraper is 6.5 min. Calculate the number of pushers required to serve a fleet of nine scrapers.
A

A backtrack = 3; chain = 2

89
Q
  1. The estimated cycle time for a wheel scraper is 6.5 min. Calculate the number of pushers required to serve a fleet of nine scrapers.
A

A backtrack = 3; chain = 2

90
Q
  1. Find the expected production of the scraper fleet if only one pusher is available and the chainloading method is used.
A

1112 BCM/h

90
Q
  1. Find the expected production of the scraper fleet if only one pusher is available and the chainloading method is used.
A

1112 BCM/h

91
Q
  1. Given the shovel/truck operation
A

calculate the number of trucks required and the production of this combination.

91
Q
  1. Given the shovel/truck operation
A

calculate the number of trucks required and the production of this combination.

92
Q
  1. Given the shovel/truck operation
A

calculate the expected production if two trucks are removed.

92
Q
  1. Given the shovel/truck operation
A

calculate the expected production if two trucks are removed.

93
Q
  1. Calculate the grader hours required for reshaping and leveling the gravel road.
A

C 23.1 h

93
Q
  1. Calculate the grader hours required for reshaping and leveling the gravel road.
A

C 23.1 h

94
Q
  1. Determine the rock volume produced per meter of drilling.
A

B 6.8 m³/m

94
Q
  1. Determine the rock volume produced per meter of drilling.
A

B 6.8 m³/m

95
Q
  1. Find the minimum size of the 38mm screen to be used.
A

2.9m²

95
Q
  1. Find the minimum size of the 38mm screen to be used.
A

2.9m²

96
Q
  1. Calculate the maximum hourly production of an asphalt plant.
A

B 123 ton/h

96
Q
  1. Calculate the maximum hourly production of an asphalt plant.
A

B 123 ton/h

97
Q
  1. Calculate the volume of plastic concrete produced by the mix design.
A

B 0.51 m³

97
Q
  1. Calculate the volume of plastic concrete produced by the mix design.
A

B 0.51 m³

98
Q
  1. Determine the actual weight of each component to be added considering excessnmoisture.
A

A Water = 63 kg; Sand = 447 kg; Gravel = 560 kg

98
Q
  1. Determine the actual weight of each component to be added considering excessnmoisture.
A

A Water = 63 kg; Sand = 447 kg; Gravel = 560 kg

99
Q
  1. Refer to the previous problem. Determine the weight of each component required to make a threebag mix.
A

B Cement = 127.8 kg; Sand = 370 kg; Gravel = 464k; Water= 52 kg; Mix Volume= 0.42 cu.m

99
Q
  1. Refer to the previous problem. Determine the weight of each component required to make a threebag mix.
A

B Cement = 127.8 kg; Sand = 370 kg; Gravel = 464k; Water= 52 kg; Mix Volume= 0.42 cu.m

100
Q
  1. Find the required feed rate (ton/h) for each mix component to achieve this production.
A

C 115.6

100
Q
  1. Find the required feed rate (ton/h) for each mix component to achieve this production.
A

C 115.6

101
Q
  1. Using the equation and the driving data below
A

determine the safe load capacity of a 6in.square concrete pile 60 ft long. Assume that the unit weight of the pile is 150 lb/cu ft. Pile driver energy = 14

101
Q
  1. Using the equation and the driving data below
A

determine the safe load capacity of a 6in.square concrete pile 60 ft long. Assume that the unit weight of the pile is 150 lb/cu ft. Pile driver energy = 14

102
Q
  1. Calculate the safe load capacity of a bulb pile based on the following driving data. Hammer weight = 3 tons Height of drop = 20 ft Volume in last batch driven = 5 cu ft Number of blows to drive last batch = 40 Volume of base and plug = 25 cu ft Selected K value = 25
A

B 164 t

102
Q
  1. Calculate the safe load capacity of a bulb pile based on the following driving data. Hammer weight = 3 tons Height of drop = 20 ft Volume in last batch driven = 5 cu ft Number of blows to drive last batch = 40 Volume of base and plug = 25 cu ft Selected K value = 25
A

B 164 t

103
Q
  1. Determine the design lateral force for the slab form 152 mm thick
A

6.1 m wide

103
Q
  1. Determine the design lateral force for the slab form 152 mm thick
A

6.1 m wide

104
Q
  1. Calculate the number of bricks 95 x 57 x 203 mm laid in running bond required for a double wythe wall 2.44 x 4.27 m having one opening 1.22 x 1.83 m and one opening 0.81 x 1.22 m. Mortar joints are 13 mm. Allow 3% for brick waste.
A

B 981

104
Q
  1. Calculate the number of bricks 95 x 57 x 203 mm laid in running bond required for a double wythe wall 2.44 x 4.27 m having one opening 1.22 x 1.83 m and one opening 0.81 x 1.22 m. Mortar joints are 13 mm. Allow 3% for brick waste.
A

B 981

105
Q
  1. Estimate the quantity of mortar required for the previous problem. The joint thickness between wythes is 13 mm. Assume a 25% waste factor.
A

C 0.53 m³

105
Q
  1. Estimate the quantity of mortar required for the previous problem. The joint thickness between wythes is 13 mm. Assume a 25% waste factor.
A

C 0.53 m³

106
Q
  1. Find the maximum safe unsupported height in feet and meters for a 20cm heavyweight concrete block wall if the maximum expected wind velocity is 80 km/h.
A

A 1.9m

106
Q
  1. Find the maximum safe unsupported height in feet and meters for a 20cm heavyweight concrete block wall if the maximum expected wind velocity is 80 km/h.
A

A 1.9m

107
Q
  1. Using the straightline method of depreciation
A

find the annual depreciation and book value at the end of each year for a track loader having an initial cost of $50

107
Q
  1. Using the straightline method of depreciation
A

find the annual depreciation and book value at the end of each year for a track loader having an initial cost of $50

108
Q
  1. Estimate the hourly repair cost for the first year of operation of a crawler tractor costing $136
A

000 and having a 5year life. Assume average operating conditions and 2000 h of operation during the year.

108
Q
  1. Estimate the hourly repair cost for the first year of operation of a crawler tractor costing $136
A

000 and having a 5year life. Assume average operating conditions and 2000 h of operation during the year.

109
Q
  1. Calculate the expected hourly owning and operating cost for the second year of operation of the twinengine scraper described below. Cost delivered = $152
A

000 Tire cost = $12

109
Q
  1. Calculate the expected hourly owning and operating cost for the second year of operation of the twinengine scraper described below. Cost delivered = $152
A

000 Tire cost = $12

110
Q
  1. To compress 2.8 m³ of free air per minute from atmospheric (0.101 N/mm²) to (0.7 N/mm² indicated on the gauge (i.e. 8.01 bar absolute) requires a compressor with a theoretical power value Theoretical power = 103 × 0.101 x log P2 9e 0.101
A

C 9.7 kW or 13.1 hp

110
Q
  1. To compress 2.8 m³ of free air per minute from atmospheric (0.101 N/mm²) to (0.7 N/mm² indicated on the gauge (i.e. 8.01 bar absolute) requires a compressor with a theoretical power value Theoretical power = 103 × 0.101 x log P2 9e 0.101
A

C 9.7 kW or 13.1 hp

111
Q
  1. The density of air decreases with increasing altitude and thus for a compressor operated above sea level
A

k should be reduced. For example

111
Q
  1. The density of air decreases with increasing altitude and thus for a compressor operated above sea level
A

k should be reduced. For example

112
Q
  1. Calculate the pressure loss for a 200 m length of 50 mm diameter pipe
A

resulting from delivering 10 m³/min (free air) compressed to 7 bar

112
Q
  1. Calculate the pressure loss for a 200 m length of 50 mm diameter pipe
A

resulting from delivering 10 m³/min (free air) compressed to 7 bar

113
Q
  1. A drill hole of diameter d (mm)
A

with the bottom charge extending 1.3B from the base

113
Q
  1. A drill hole of diameter d (mm)
A

with the bottom charge extending 1.3B from the base

Looks Fam Refresher (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions