- (A) Decreasing the sprue length
- (B) Decreasing the sprue thickness
- (C) Increasing the melting temperature
- (D) Increasing the mould temperature
Medical Mcqs
- (A) Thin sprue
- (B) No reservoir
- (C) Investment heated strongly
- (D) Inadequate air discharge
- (A) Oxidizing zone
- (B) Reducing zone
- (C) Combustion zone
- (D) None of the above
- (A) Alpha form
- (B) Beta form
- (C) Gamma form
- (D) None of the above
- (A) Platinium
- (B) Palladium
- (C) Titanium
- (D) Gold
- (A) Unfilled acrylic plastics
- (B) Gold alloys
- (C) Porcelains
- (D) Zinc phosphate cements
- (A) Recovery stage
- (B) Recrystallisation stage
- (C) Grain growth stage
- (D) All of the above
- (A) Chromium carbide
- (B) Carbon carbide
- (C) Iron carbide
- (D) Nickel carbide
- (A) Hydrochloric acid
- (B) Nitric acid
- (C) Sulphuric acid
- (D) Phosphoric acid
- (A) Stainless steel wire
- (B) NITTINOL wire
- (C) TMA wire
- (D) Aluminium

