M C Q s D r i v e

Medical Science Mcqs 5254 MCQs [All-Courses]

thumb

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

The point at which a stress of a material exhibits a specific limited deviation P is called_______________?

A Proportional limit
B Tensile strength
C Ultimate strength
D Yield strength
Correct Answer: Yield strength

Compressive stress is computed by dividing the external force by the_______________?

A Area of the test specimen upon which the weight rests
B Elasticity of the test specimen in strain
C Length of the test specimen beneath the force
D Strain of the test specimen per unit length
Correct Answer: Area of the test specimen upon which the weight rests

The proportional limit is defined as______________?

A The maximum stress in a structure
B The minimum force required to cause a structure to break
C The maximum stress that can be induced without permanent deformation
D The maximum elongation under tension that can be measured before failure
Correct Answer: The maximum stress that can be induced without permanent deformation

Stress in 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: An internal force opposing an applied load

Setting expansion is advantageous in__________________?

A Casts
B Models
C Investment
D Dies
Correct Answer: Investment

Back pressure porosity can be avoided by________________?

A Using asbestos linear
B Placing the sprue at least one quarter inch away form the end of casting ring
C Preventing rapid heating the investment in burnout oven
D Using a short and wide sprue
Correct Answer: Placing the sprue at least one quarter inch away form the end of casting ring

Which of the following zones is used for melting alloy during casting______________?

A Reducing flame
B Oxidizing flame
C Green flame
D All of the above
Correct Answer: Reducing flame

Cleaning of base metal alloy is done by______________?

A Warm HCI
B Cold HF
C Cold H2SO4
D Sand blasting with aluminium oxide
Correct Answer: Sand blasting with aluminium oxide

Which one of the following is most elastic ?

A a titanium
B B titanium
C Chrome-cobalt-nickel
D Nickel-titanium
Correct Answer: Nickel-titanium

A thinner mix of a gypsum bonded investment will_______________?

A Produce a smoother casting
B Decrease setting expansion
C Increase setting expansion
D Increase thermal expansion
Correct Answer: Decrease setting expansion