Classic Classic Quiz PNG by Shahmoksh Shahmoksh 8 played - 12 yrs ago QUIZ 7 QUESTIONS hard 1 Full name of OPSO Over pressure set offOver pressure seal offOver pressure shut offOver pressure switch off 2 Full Name Of UPSO Under pressure seal offUnder pressure set offUnder pressure shut offUnder pressure switch off 3 Which class of G. I. pipe is used in PNG connection? A classB classC classNone of above 4 Threads on pipe for PNG connections BSPBSPTNon of aboveAll of above 5 IS standard for rubber tube Is 9573Is 7395Is 957Is 953 6 Full name of ISO Indian standard organisationInternational standard organisationInternational organisation for standardisationNone of above 7 Top load clamp used for ----------- CouplerTeeEnd capSaddle (top tee) A mistake in this Quiz ? Contact the author Commentaires
