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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
1. 2 answers
2. 837 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. 1 answer
2. 490 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
1. 0 answers
2. 419 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. 1 answer
2. 609 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.
1. 0 answers
2. 378 views
Use a sketch to illustrate what cantilever bending is and give an everyday example of it.(b) use a sketch to illustrate what
1. 0 answers
2. 428 views
Sketch a stress-strain curve for which the stress is calculated using the actual cross-sectional area rather than the original
1. 0 answers
2. 453 views
Sketch a stress-strain curve for glass and label all the points of interest and different regions of the curve.
1. 0 answers
2. 405 views
Sketch a typical stress-strain curve and label all the points of interest and different regions of the curve.
1. 0 answers
2. 388 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. 1 answer
2. 671 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
1. 0 answers
2. 487 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. 0 answers
2. 568 views
The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but
1. 1 answer
2. 659 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
1. 0 answers
2. 414 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
1. 0 answers
2. 489 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
1. 0 answers
2. 646 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
1. 0 answers
2. 505 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. 1 answer
2. 1,132 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1. 0 answers
2. 428 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
1. 0 answers
2. 450 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1. 0 answers
2. 549 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
1. 0 answers
2. 414 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1. 0 answers
2. 977 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,
1. 0 answers
2. 459 views
A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer
1. 0 answers
2. 406 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,
1. 0 answers
2. 400 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. 1 answer
2. 587 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. 1 answer
2. 641 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 toA)
1. 1 answer
2. 533 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. 0 answers
2. 487 views
A hollow circular shaft has an external diameter of 160mm and an internal diameter of 120mm. Calculagte the polar second moment
1. 1 answer
2. 1,170 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. 1 answer
2. 682 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. 1 answer
2. 502 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in lengthLoad (kN)
1. 0 answers
2. 459 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. 0 answers
2. 543 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. 0 answers
2. 550 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in lengthLoad (kN)
1. 0 answers
2. 539 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. 1 answer
2. 679 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. 1 answer
2. 549 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in lengthLoad (kN)
1. 0 answers
2. 544 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. 1 answer
2. 1,018 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
1. 0 answers
2. 845 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.1. length of his upper arm
1. 0 answers
2. 513 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. 0 answers
2. 514 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. 0 answers
2. 573 views
Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has
1. 0 answers
2. 481 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.1. length of his upper arm
1. 0 answers
2. 480 views
for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data.1. length of his upper arm
1. 0 answers
2. 1,129 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
1. 0 answers
2. 818 views
3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force
1. 0 answers
2. 420 views
Briefly describe the distribution problem and the two techniques used to overcome it.
1. 0 answers
2. 475 views
a)Describe the structure of the contractile elements of skeletal muscleb)Sketch a graph of the relationship between developed
1. 0 answers
2. 460 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. 1 answer
2. 678 views
calculate the following body segment parameters for the thigh of a subject with a height of 180cm and mass of 72kga) segment
1. 0 answers
2. 587 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. 1 answer
2. 590 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. 1 answer
2. 1,213 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. 1 answer
2. 566 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. 2 answers
2. 825 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. 0 answers
2. 539 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. 0 answers
2. 712 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. 0 answers
2. 551 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. 0 answers
2. 605 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. 0 answers
2. 521 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. 0 answers
2. 560 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1. 1 answer
2. 667 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1. 0 answers
2. 1,310 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. 1 answer
2. 1,054 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1. 0 answers
2. 730 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. 1 answer
2. 949 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. 0 answers
2. 765 views
a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together.
1. 0 answers
2. 651 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. 0 answers
2. 573 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. 0 answers
2. 570 views
Optical density (0.0.) is defined as the logarithm (power of ten) of the attenuation of light transmitted through protective eye
1. 0 answers
2. 428 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. 1 answer
2. 531 views

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