A) chromium plating B) copper plating C) lead plating D) none of the above. Ans : (A)
A) zinc B) brass C) chromium D) lead. Ans : (A)
A) Cadmium coating B) Lead coating C) Rhodium coating D) Brass coating. Ans : (C)
A) gold B) tin C) silver D) chromium. Ans : (C)
A) tin B) brass C) cadmium D) zinc. Ans : (A)
A) decoration B) electrical contacts C) corrosion D) all of the above. Ans : (C)
A) 50 to 80 % B) 80 to 95 % C) 80 to 85 % D) 90 to 99 %. Ans : (A)
A) 99 % B) 90 to 98 percent C) 70 to 80 % D) 50 to 60 percent. Ans : (B)
A) milligrams per volt B) milligrams per kW C) milligrams per kVA D) milligrams per coulomb. Ans : (D)
A) atomic weights B) atomic numbers C) chemical equivalents D) valency. Ans : (C)