Which of the following statements about liquid lubricants is false?
(a) They should be greasy in nature
(b) Their melting point should be high
(c) Their boiling point should be high
(d) They should not contain any impurities
I got this question in an online interview.
I need to ask this question from Miscellaneous Materials topic in division Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials