Which one of the following is laminar flow
A.Rise of water in plants through roots
B.Movement of blood in the arteries of a human body
C.Flow of oil in measuring instruments
D.All of the above
E.None of the above
Category: Engineeeing Mcqs
Positive ions are formed from neutral atoms by the loss of
A.neutrons
B.protons
C.electrons
D.mesons
The purpose of differential in locmomtive is served by
A.Track curvature
B.Track contour
C.Shape of rails
D.Taper on rails
E.Taper on wheels
The flow of water in a pipe of diameter 3000 mm can be measured by
A.Venturimeter
B.Rotameter
C.Nozzle
D.Pitot tube
E.Orifice plate
A catalyst is a substance which
A.increases the equiliibrium concentration of the product
B.changes the equilibrium constant of the reaction
C.shortens the time to reach equilibrium
D.suppliies energy to the reaction.
Too much excess air gives
A.high percentages of O2 in the flue gas
B.high stack temperature
C.increased fuel consumption for the same heating requirement
D.all these answers
Which of the following instruments is preferred for the measurement of pressure in a steam condenser
A.Kentometer
B.McLeod gage
C.Bourdon tube
D.None of the above
