Out of the following, the better lubricant to be used in the moving parts of a machine,
(a) water
(b) air
(c) chalk powder
(d) turpentine oil
Out of the following, the better lubricant to be used in the moving parts of a machine,
(a) water
(b) air
(c) chalk powder
(d) turpentine oil
Harshit Singh , 4 Years ago
Grade 12th pass
