Related Questions

Common sites of osteoporotic fractures is
A Distal radius
B Neck of humorus
C Patella
D Tibia
E Ribs
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
A Mild steel
B Cast iron
C Glass
D Copper
A person met with an accident and the fracture of the 10th thoracic vertebra was found. It had damaged the left half of the spinal cord. Following clinical signs are seen in the patient on examination below the level of lesion
A Contralateral loss of pain
B Ipsilateral Babinski's sign is present
C Ipsilateral loss of total sensation
D Contralateral spastic paralysis
E Ipsilateral flaccid paralysis
The following conditions are associated with pathological fracture
A Eosinophilic granuloma
B Hyperthyroidism
C Osteitis deformans
D Parathyroid osteodystrophy
E Fluorosis
The healing of a closed fracture may be associated with the following
A Myositis ossificans
B Pseudo arthrosis
C Renal calculi
D Osteomyelitis
E Osteosarcoma
Which of the following is not a characteristic observed in material failure by fatigue fracture ?
A Plastic deformation of material does not occur
B Initiation of crack from below the surface does not occur
C Initation of crack occurs on the surface of the machine part
D Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Which of the following undergoes granular fracture?
A Wrought iron
B Steel
C Cast iron
D None of these
Which of the following statement is true about brittle fracture?
A High temperature and low strain rates favour brittle fracture
B Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture
C Brittle fracture is always preceded by noise
D Cup and cone formation is characteristic for brittle materials
Out of the following, which will fracture most readity, when hit with a hard hammer ?
A Brass
B Bronze
C German silver
D Cast iron
Which of the following is prone to cup and cone fracture?
A Cast iron
B Soft brass
C Round specimen of ductile metal
D Flat tensile specimen of ductile metal

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