A. Chromium
B. Vanadium
C. Cobalt
D. Molybdenum
Related Mcqs:
- Steel containing low percentage of nickel, chromium & tungsten are termed as the _____________ steel ?
A. Wrought
B. Tool
C. Alloy
D. Plain carbon - Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are____________________?
A. Nickel, cobalt & chromium
B. Tungsten, chromium & cobalt
C. Manganese, chromium & cobalt
D. Tungsten, molybdenum & nickel - High speed steel tools retain their hardness upto a temperature of __________________ °C?
A. 500
B. 750
C. 900
D. 1100 - Which of the following alloying elements is present in maximum percentage in high speed steel ?
A. Molybdenum
B. Chromium
C. Tungsten
D. Vanadium - What is the percentage of chromium in 18-4-1 high speed steel ?
A. 1
B. 4
C. 18
D. 23 - In TIG welding, thoriated tungsten electrodes are used, because it ____________________?
A. Has higher current carrying capacity
B. Has better electron emissivity
C. Is stronger than ordinary tungsten
D. Is easy to prepare - _______________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?
A. Stellite
B. High speed steel
C. Cermet
D. Alnico - Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
A. 5-10
B. 1000-1500
C. 120-500
D. 1500-3000 - Square steel key is normally strong in failure by shear & crushing. Keys are normally made of _______________ steel bars?
A. Hot rolled mild
B. Cold rolled mild
C. Forged
D. Machinable stainless - Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal_________________?
A. Tensile strength
B. Compressive strength
C. Young’s modulus
D. Thermal co-efficient of expansion
