D:-2:1
Correct Answer:- Option-B
Question39:-The initiator used in heat cured acrylic resin is
A:-Propylene glycol
B:-Benzoyl peroxide
C:-Glycol dimethacrylate
D:-Hydroquinone
Correct Answer:- Option-B
Question40:-The lightness or darkness of a colour is known as
A:-Hue
B:-Valve
C:-Chroma
D:-Saturation
Correct Answer:- Option-B
Question41:-Which is the fourth state of matter?
A:-Solid

D:-Colloid
Correct Answer:- Option-D
Question42:-Silica is mixed with plaster to increase the
A:-Refractoriness
B:-Dimensional stability
:-Flow
D:-Reproduction of detail
Correct Answer:- Option-A
Question43:-The initiator for light activated resin is
A:-Visible light
B:-Camphoroquinone
:-Benzoyl peroxide
D:-Propylene glycol
Correct Answer:- Option-B
Question44:-Among the factors affecting balanced occlusion, which is not controlled by the operator is
A:-Incisal guidance
-Condylar guidance
C:-Plane of occlusion
D:-Compensating curve
Correct Answer:- Option-B
Question45:-The angle made by floor of rest seat with the minor connector must be
A:-Less than 80 degree
-Less than 90 degree
C:-More than 90 degree
D:-More than 160 degree
Correct Answer:- Option-B
Question46:-When designing palatal major conectors, relief should be given for
A:-Palatal torus
B:-Ridge area
C:-Elevated mid suture line
D:-Rugae area
Correct Answer:- Option-A
Question47:-Labial bar is indicated when
A:-There is a diastema
-There is labial inclination of teeth
C:-There is lingual inclination of teeth
D:-There are periodontally weak teeth
Correct Answer:- Option-C
Question48:-The superior border of lingual bar should lie
A:-At the cingulum of anterior teeth
B:-Deep in the lingual sulcus