🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs281
Viscosity of water in comparison to mercury is ______________________?
Ahigher
Blower
Csame
Dhigher/lower depending on temperature E. unpredictable.
282
For very great pressures, viscosity of moss gases and liquids __________________?
Aremains same
Bincreases
Cdecreases
Dshows erratic behaviour E. none of the above.
283
The surface tension of mercury at normal temperature compared to that of water is____________________?
Amore
Bless
Csame
Dmore or less depending on size of glass tube E. none of the above.
284
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is___________________?
A10m/sec2
B9.81 m/sec2
C10.2/m sec
D9.75 m/sec2 E. 9 m/sec .
285
The normal stress in a fluid will be constant in all directions at a point only if_________________?
Ait is incompressible
Bit has uniform viscosity
Cit has zero viscosity
Dit is frictionless E. it is at rest.
286
The continuity equation is connected with_______________?
Aviscous/unviscous fluids
Bcompressibility of fluids
Cconservation of mass
Dsteady/unsteady flow E. open channel/pipe flow
287
Liquids transmit pressure equally in all the directions. This is according to_________________?
ABoyle’s law
BArchimedes principle
CPascal’s law
DNewton’s formula E. Chezy’s equation
288
Capillary action is due to the__________________?
Asurface tension
Bcohesion of the liquid
Cadhesion of the liquid molecules and the molecules on the surface of a solid
Dall of the above E. none of the above
289
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?
Aincrease
Bremain unaffected
Cmay increase or decrease depending on the characteristics of liquid
Ddecrease E. unpredictable
290
The units of dynamic or absolute viscosity are_______________?
Ametres2 per sec
Bkg sec/meter
Cnewton-sec per meter
Dnewton-sec2 per meter E. none of the above