A. Enough plasticity
B. Low thermal conductivity
C. Low co-efficient of friction
D. High toughness
Related Mcqs:
- Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower_________________?
A. Price
B. Corrosion resistance
C. Thermal conductivity
D. Abundant availability - In cold working of metal as compared to its hot working____________________?
A. Cracks and blow holes are eliminated
B. Ductility and impact strength improves
C. Appreciable strain hardening is produced
D. Yield stress, hardness and fatigue strength is not at all affected - Bell metal is an alloy of __________________?
A. Copper & zinc
B. Copper & tin
C. Copper & nickel
D. Zinc & tin - The high expansion metal normally used in the bimetallic thermometer is _______________ temperature measurement?
A. Brass for low
B. Nickel alloys for high
C. Both A. & B.
D. Aluminium for all - A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?
A. Zinc
B. Mercury
C. Lead
D. Tin - Metal at the top of the electromotive series is________________?
A. Least active
B. Most stable
C. Most active
D. Most noble - Wood metal is not used for making___________________?
A. Soft solder
B. Casting for dental work
C. Storage tank for storing brine and caustic soda
D. Fusible safety plug for pressure cooker - Babbitt metal (used for making bearings) comprises of__________________?
A. Mainly tin (85%) and lead
B. Saw dust and iron dust mixture
C. Zinc and aluminium
D. Copper and aluminium - The formation of oxide film on a metal due to atmospheric exposure reduces its____________?
A. Toughness
B. Stiffness
C. Creep limit
D. All A., B. & C. - Mercury is transported in metal containers made of________________?
A. Aluminium
B. Iron
C. Lead
D. Nickel
