Malleable castings are used for
A.boilers
B.Automobiles
C.Elevators
D.all of the above
Category: Engineeeing Mcqs
The solvent used in the dewaxing of the waxy oil feed is
A.liquid sulphur trioxide
B.composed of methyl ethyl ketone and toluene
C.composed of triethylene glycol and water
D.platinum
In a refrigeration system, if the compressor short cycles, the probable cause could be
A.Intermittent contact in electric control circuit
B.Dirty or iced evaporator
C.Lack of refrigerant
D.Overchange of refrigerant
E.Any of the above
In a nozzle, once the critical conditions are achieved at the throat, than which of the following remains constant:
A.Density of fluid
B.Velocity of fluid
C.Flow rate
D.All of the above
Solubility of a gas in a liquid at small concentration is represented in
A.Henry’s law
B.Clausius Clapeyron equation
C.Raoult’s law
D.Dalton’s law
E.None of the above
Any process of heating and cooling steel that produces a rounded or globular from of carbide is known as
A.Nomalizing
B.Ultra hardening
C.Drawing
D.Nitriding
E.Spheroidizing
Stremlines, streak lines and path lines are all identical in case of
A.Uniform flow
B.Non-uniform flow
C.Rotation flow
D.Steady flow
E.Unsteady flow
The accuracy of a 0 – 10 mV meter is
A.9 mV
B.11 mV
C.Either 9 mV or 10 mV
D.Either 9 mV or 11 mV
E.More than 11 mV
A 200 MW generator will invariably be
A.Air cooled
B.Pressurised air cooled
C.Hydrogen cooled
D.Oxygen cooled
E.Nitrogen cooled
