A. Machinability
B. Corrosion resistance
C. Fluidity
D. Strength
Related Mcqs:
- Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?
A. 5
B. 10
C. 20
D. 35 - Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are _______________ respectively ?
A. 70 & 30
B. 30 & 70
C. 50 & 50
D. 90 & 10 - Lead is poured into the joint between two _______________ pipes ?
A. Mild steel
B. Concrete
C. Cast iron
D. Asbestos cement - Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
A. Wood’s metal
B. Babbitt metal
C. Monel metal
D. Duralumin - Lead is poured into the joints between two ___________________ pipes?
A. Cast iron
B. Steel
C. Concrete
D. Plastic - Hot working of lead is carried out at ___________________?
A. 75°C
B. 373°K
C. 150°C
D. Room temperature - Lead pencil contains____________________?
A. Graphite
B. Lead sulphide
C. Lead
D. Both B. & C. - Lead is poured into the joint between two ______________ pipes?
A. Mild steel
B. Concrete
C. Cast iron
D. Asbestos cement - Upto the critical radius of insulation, added insulation, will____________________?
A. Increase the heat loss
B. Decrease heat loss and will have no effect beyond that
C. Decrease heat flux
D. Reduce convection heat loss compared to conduction heat less - Limestone is added in the blast furnace (during pig iron manufacture) to______________________?
A. Form slag by combining with impurities
B. Supply heat by undergoing exothermic reaction with impurities
C. Reduce the coke consumption
D. Reduce slag viscosity
