Explain how do you determine what suction pressure should be in r22 air conditioning compressors suction line?
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what is the use of offset follower in cam? why and where we have to use this type of follower?
Name the safety devices of diesel engine?
State the laws of thermodynamics and its importance of in mechanical engineering.
difference between statics and dynamics
"In boiler, what does steam and smoke goes out to the funnel. What reason?"
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which case we will find maximum pressure and flow in centrifugel pump- circular casing or volute casing.
aptitutude and technical questions asked in HPCL MECHANICAL ENGG TEST PAPER. IF ANY ONE HAS SAMPLE PAPERS .PLEASE SEND ME ON MY E-MAIL ID . goyal.nirmal@gmail.com. plz
Is it required slip & guide for incliened pipe installation to allow axial expansion. If yes, what type we have to use it
what will be the change in weight ( mass ) of a person when us he is coming down / up in the elevator ?
Is it possible to fix 1/2" BSPP Male thread with 1/2" BSPT female thread. If yes is it safe for gas transport applications.
Explain QH curve of a Centrifugal Pump?. Will it ever touch X axis?. If it ever touch when? When will you go for Reciprocating pump?. why can't you use centrifugal pumps for pumping viscous fluids?. Why head of a centrifugal pump is independent of density of fluid?.
Define convection.