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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

Modulus of elasticity means_______________?
A Rigidity or stiffness of the material
B Ability to be stretched with permanent deformation
C Ductility of a material
D Malleability of the metal
Correct Answer: Rigidity or stiffness of the material
When solid gets wet completely contact angle is______________?
A 90°
B 0°
C 0 – 90°
D >90°
Correct Answer: 0°
Brinnel hardness number of a dental gold alloy is directly proportional to its______________?
A Tensile strength
B Elongation
C Modulus of elasticity
D Modulus of resilience
Correct Answer: Tensile strength
Hardness number which does not depend on the ductility of metal_____________?
A KNH
B VHN
C RHN
D BHN
Correct Answer: KNH
The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?
A The elastic limit
B The proportional limit
C The yield strength
D Modulus of elasticity
Correct Answer: The proportional limit
The modulus of elasticity is defined as_______________?
A The stress at the proportional limit
B The strain at the proportional limit
C The stress/strain ratio within the proportional limit
D None of the above
Correct Answer: The stress/strain ratio within the proportional limit
Strain is defined as_____________?
A An applied load or force
B A deformation resulting from an applied load
C An external force opposing an applied load
D An internal force opposing an applied load
Correct Answer: A deformation resulting from an applied load
A good adhesive should possess all of the following EXCEPT________________?
A High adherend wetting
B High contact angle
C Low contact angle
D High flow
Correct Answer: High contact angle
In measuring Vickers hardness no. Which of the following is used________________?
A Spherical indenter
B Steel ball indentation
C Rhomboid shaped indenter
D 136-degree diamond pyramid
Correct Answer: 136-degree diamond pyramid
The simplest alloy is a_______________?
A Solid solution
B Eutectic alloy
C Peritectic allowy
D Ternary alloy
Correct Answer: Solid solution
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