All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.
A. Deuterium
B. Hydrogen
C. Neon
D. Helium
Answer: Option B
A. Deuterium
B. Hydrogen
C. Neon
D. Helium
Answer: Option B
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
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