IGI Indian Gold Institute Sample Question Paper

Hallmarking

• Hallmarking is used for gold and silver.
• It is not used for water, cement, furniture, or other non-precious materials.

Karat and Carat

• Karat is a unit of fineness, not weight or density.
• Carat is a unit of weight, equal to 200mg or 0.2 grams.

Gold and Silver

• The symbol for gold is Au.
• The symbol for silver is Ag.
• The melting point of gold is 1064°C.
• The melting point of silver is 961.8°C.
• The density of gold is 19.32 g/cm³.
• The density of silver is 10.49 g/cm³.

Alloys

• Brass is an alloy of copper and zinc.
• Examples of binary alloys include brass and copper-zinc.
• Examples of ternary alloys include karat gold.

Density

• The density of fine gold is 19.32 g/cm³.
• The density of fine silver is 10.49 g/cm³.

Weights and Measurements

• One tola is equal to 11.6 grams.
• One gram is equal to 1000 milligrams.
• One ounce is equal to 31.103 grams.
• One cent is equal to 200 milligrams.
• One carat is equal to 200 milligrams.
• One ratti is equal to 120 milligrams.

Hallmarking Codes

• The hallmark code for 22-karat gold is 916.
• The hallmark code for 20-karat gold is 750.
• The hallmark code for 18-karat gold is 585.
• The hallmark code for 14-karat gold is 833.
• The hallmark code for 24-karat gold is 999.

Weighing Machines

• Class A weighing machines are used for medicine.
• Class B weighing machines are used for grocery.
• Class C weighing machines are used for gold.

Acids and Tests

• Nitric acid is used in gold testing.
• Acitic acid is not used in gold testing.
• Black stone test is a non-destructive method.
• Tuch stone test is a non-destructive method.
• Smell test is a non-destructive method.
• Flexibility test is a non-destructive method.
• Fire test is a destructive method.
• Sound test is a non-destructive method.
• Acid test is a destructive method.
• XRF test is a non-destructive method.

Institutions

• IGI stands for Indian Gold Institute, a research and skill development center for the gold industry.
• WGC stands for World Gold Council.
• ICP stands for Inductively Coupled Plasma Spectrometry.
• RBI stands for Reserve Bank of India.
• NCTVT stands for National Council for Vocational Training.
• LBM stands for London Bullion Market.
• PAMP stands for Produits Artistiques de Métaux Précieux.

Miscellaneous

• KYC stands for Know Your Customer.
• MICR stands for Magnetic Ink Character Recognition Technology.
• ECS stands for Electronic Clearing System.
• IMPS stands for Immediate Payment Service.
• PAN stands for Permanent Account Number.
• EMI stands for Equated Monthly Installment.
• GL stands for Gold Loan.
• NPA stands for Non-Performing Asset.
• DPD stands for Days Past Due.
• ROI stands for Rate of Interest.
• LTV stands for Loan-to-Value.
• ITR stands for Income Tax Return.
• RTGS stands for Real-time Gross Settlement.
• NEFT stands for National Electronic Funds Transfer.
• INR stands for Indian Rupee, the official currency of India.

Test your knowledge on hallmarking and karat units with this sample question paper from the Indian Gold Institute. Questions cover the use of hallmarking for gold and silver, as well as the karat unit measurement for different materials.