Mechanical interview questions – page 2

Why we express the unit of torque in Nm.even though it can be expressed as Joule ( J )?

What is mean by CONCENTRICITY? how it is measure?

What is the units of surface tension and also dimensional formula?

How to calculate or arrive the capacity of an mechanical press?

What is dead weight tester and where it is used?.

What is the torque required at M6, M8, M10, M12, M14, M16, M18, M20, M22, M24 M.S&S.S Bolt or give me any chart for this?????????

The hpcl (instrumentation) model placement

Poisons ratio is higher in (rubber/steel/wood)

Why is doubled walled pipes employed for high pressure fuel lines?

1WATT IS EQUAL TO .............KCal/hOURS

Difference between enthalpy & entropy?

Design a rod that should withstand 1000N? (they told that the material is mild steel & they gave me the stress-strain graph for that)

What is the ADP&PDP in air dryer?

What is the difference between safety valve and relief valve?

What is two piston crankshaft

STRESS PRODUCE STRAIN OR STRAIN PRODUCE STRESS.....?EXPLAIN?

How the steam blowing pressure of a steam Boiler is calculated ?

What is FM 200?

In motor graders the radiator fan exhausts air not suck air why ?

How to calculate bearing number?

In a power plant main steam flow is volumetric or mass flow?is it required compensation?

What is the cbm technique in maintenance?

In refrigeration, why during operations is running lowpressure at the suction side?

What is the difference between set up of cast iron manufacturing industry and steel manufacturing industry?

What is the procedure to callibrate temp controller,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigratehow can i minimize it.

What is mean by pitch diameter?

In a slab where does the Uniformly Distributed Load (UDL) act?

What is diffrent profibus & OFC Communication

You have to design a machine component. For what type of failure (ductile or brittle) you will design?

What to do in emergency situation of flooding in the engine room