Which coolant oil emulsified with water? Mark as favorite Copy Link fatty oil synthetic oil soluble oil straight mineral oil Check Answer
The good example of splash lubrication system? Mark as favorite Copy Link oil can resin ring lubricators rolling oil Check Answer
Which cutting fluid is used for heavy duty machine with less cutting speed? Mark as favorite Copy Link fatty oil synthetic oil soluble oil straight mineral oil Check Answer
What is the colour of soluble oil mixed with water? Mark as favorite Copy Link violet yellow white blue Check Answer
What coolant is recommended for tapping copper or aluminium? Mark as favorite Copy Link lard oil kerosene soluble oil dry air Check Answer
Which one of the following is not a function of cutting fluid? Mark as favorite Copy Link to cool the tool to flush away the chip to increase the friction between the chip and tool face to cool the work peace Check Answer
A lubricant is necessary to? Mark as favorite Copy Link run the machine smoothly taking least load run the machine quickly stop the machine immediately produce work peace of greater accuracy Check Answer
Which among the following is not the purpose of grease? Mark as favorite Copy Link carry away heat produced in bearing prevent metal-to-metal contact and reduce friction prevent entry of foreign material i.e. dust, dirt etc. In the bearing provide a cushion to load and shocks Check Answer
Fire point is? Mark as favorite Copy Link the temperature at which an oil gives off sufficient vapour to burn it continuously when ignited the temperature at which an oil will cease to flow when cooled the lowest temperature at which an oil gives off sufficient vapour to support a momentary flash without actually settings fire the temperature at which fire is produced Check Answer
The most important quality of any lubricant is __________? Mark as favorite Copy Link viscosity specific gravity specific heat emulsification Check Answer