A suitable lubricant used for watches is
A. Metallic soap solution
B. Grease
C. Palm oil
D. Hazel-nut oil
Answer: Option D
A. Metallic soap solution
B. Grease
C. Palm oil
D. Hazel-nut oil
Answer: Option D
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
The number of mg of KOH required to neutralise the free acid 1 g of oil is called