A. Heating 750°C and slowly cooling to zero degree
B. Heating quickly upto 450°C followed by sudden quenching
C. Heating upto 250°C for 15 to 30 min
D. Heating at 750°C and then quenching to room temperature
Related Mcqs:
- Age hardening is a process done at______________?
A. Heating up to 200 – 450°C for 15 – 30 min and quenching in water
B. Heating at 700°C for 10 – 15 min and quenching in water
C. Heating at 700°C for 1 hour and quenching in water
D. Heating above 700°C for 30 min and quenching in water - The term ordered hardening heat treatment used in which of the following dental alloys ?
A. Gold-Copper
B. Nickel-Chromium
C. Nickel-Titanium
D. Silver-Palladium - Maximum amount of glucose absorption occurs at_______________?
A. PCT
B. DCT
C. Loop of henle
D. None - The common carotid artery may be palpated at_______________?
A. Hyoid bone
B. Upper border of thyroid cartilage
C. Transverse process of C5
Transverse process of C6 - Hardening solutions are used with impression made of________________?
A. Hydrocolloid
B. Impression compound
C. Elastomer
D. Zinc oxide eugenol - The cyst located at the junction of medial nasal process, lateral nasal process and maxillary process is________________?
A. Globulomaxillary cyst
B. Median palatine cyst
C. Nasopalatine cyst
D. Nasoalveolar cyst - The cyst which is found within the bone at the junction of teh globular process, the lateral nasal process & maxillary process is______________?
A. Naso-alveolar cyst
B. Globulomaxillary cyst
C. Naso palatine cyst
D. Mid palatine cyst - Which of the following fuel gases is the best choice of heat source to carry out soldering process ?
A. Propane
B. Acetylene
C. Natural gas
D. Hydrogen - Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?
A. using Bacillus stearo thermo philus
B. Using non-pathogenic strain of clostridium tetani
C. Using chemical indicator
D. Using methylene blue - Cleaning of base metal alloy is done by______________?
A. Warm HCI
B. Cold HF
C. Cold H2SO4
D. Sand blasting with aluminium oxide
