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Questions (75)
The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using:
A. a
2 answers
915 views
An aluminum alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of the following is the equal to
1 answer
539 views
A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
0 answers
459 views
A mild steel bar of length 10cm and width of 10mm is extended by 0.01 mm. Which of the following is equal to the change in width
1 answer
669 views
Sketch two S-N curves on the same axis, one for a metal with an endurance limit and one for a metal without an endurance limit.
0 answers
412 views
Use a sketch to illustrate what cantilever bending is and give an everyday example of it.
(b) use a sketch to illustrate what
0 answers
483 views
Sketch a stress-strain curve for which the stress is calculated using the actual cross-sectional area rather than the original
0 answers
508 views
Sketch a stress-strain curve for glass and label all the points of interest and different regions of the curve.
0 answers
434 views
Sketch a typical stress-strain curve and label all the points of interest and different regions of the curve.
0 answers
423 views
A mild steel bar of width 10mm is subjected to a tensile stress of 3,0x105 Pa. Given that Young’s modulus for mild steel is
1 answer
744 views
An aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
0 answers
527 views
a mild steel bar of length 10cm and width of 10mm is extended by 0.01 mm. Which of the following is equal to the change in width
0 answers
639 views
The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but
1 answer
720 views
An aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
0 answers
465 views
4. A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
0 answers
543 views
A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force
0 answers
696 views
an aluminium alloy bar with a Young's modulus of 70GPa is under a tensile stress of 10MPa, Which of thefollowing is the equal to
0 answers
551 views
Select the correct answer.The change in length of a steel wire under an applied load can be halved by keeping all other
1 answer
1,209 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
0 answers
499 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
0 answers
503 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
0 answers
628 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
0 answers
464 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
0 answers
1,046 views
6. A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate,
0 answers
507 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
0 answers
471 views
6. A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate,
0 answers
449 views
The following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length.
Load(kN
1 answer
641 views
The following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length.
Load(kN
1 answer
697 views
The second moment of area of a hollow cylindrical beam with an inner radius of 18mm and an outer radius of 20mm is equal to
A)
1 answer
622 views
A steel bar with a cross sectional area of 25cm2 is found to shear fracture when subjected to a tensile load of 400kN. calculate
0 answers
539 views
A hollow circular shaft has an external diameter of 160mm and an internal diameter of 120mm. Calculagte the polar second moment
1 answer
1,244 views
A steel beam with a rectangular cross section is bent to form an arc of a circle of radius 6 m. Calculate the maximum stress in
1 answer
749 views
A steel bar with a cross sectional area of 25cm2 is found to shear fracture when subjected to a tensile load of 400kN. calculate
1 answer
556 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
0 answers
502 views
A steel cable of length 10 m and cross-sectional area 1200 mm2 is loaded with an object of weight 30 kN. Given that the cable is
0 answers
606 views
A cylindrical steel bar is required to support a load of 650 N. the required bar must be 0.17 m in length and must not deform by
0 answers
600 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
0 answers
585 views
A steel cable of length 10 m and cross-sectional area 1200 mm2 is loaded with an object of weight 30 kN. Given that the cable is
1 answer
760 views
A cylindrical steel bar is required to support a load of 650 N. the required bar must be 0.17 m in length and must not deform by
1 answer
607 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
0 answers
593 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
1 answer
1,075 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
0 answers
910 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
0 answers
579 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
0 answers
577 views
When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as
0 answers
633 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
0 answers
546 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
0 answers
541 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.
1. length of his upper arm
0 answers
1,181 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
0 answers
874 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
0 answers
468 views
Briefly describe the distribution problem and the two techniques used to overcome it.
0 answers
537 views
a)Describe the structure of the contractile elements of skeletal muscle
b)Sketch a graph of the relationship between developed
0 answers
501 views
A subject with a height of 165cm and mass of 69 kg is sitting with his lower limb positioned with hip in 90 degree of flexion
1 answer
729 views
calculate the following body segment parameters for the thigh of a subject with a height of 180cm and mass of 72kg
a) segment
0 answers
654 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1 answer
659 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
1,276 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
1 answer
629 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
2 answers
907 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
0 answers
657 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
0 answers
788 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
0 answers
615 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
0 answers
701 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
0 answers
591 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
0 answers
635 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1 answer
740 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
0 answers
1,382 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1 answer
1,122 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
0 answers
794 views
a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance.
a) calculate the kinetic
1 answer
1,026 views
a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance.
a) calculate the kinetic
0 answers
845 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
0 answers
716 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
0 answers
645 views
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and
0 answers
617 views
Optical density (0.0.) is defined as the logarithm (power of ten) of the attenuation of light transmitted through protective eye
0 answers
480 views
A man stands on a slope of 20 degrees.His weight is 65kg. Given that the coefficient of static friction is 1.5, Calculate the
1 answer
580 views
