Which of the following is the most suitable abrasive for grinding high tensile strength materials?
A. Silicon carbide
B. Corundum
C. Aluminium oxide
D. Boron carbide
Answer: Option C
A. Silicon carbide
B. Corundum
C. Aluminium oxide
D. Boron carbide
Answer: Option C
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
Join The Discussion