🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs351
4-61. Kinematic viscosity is equal to________________?
Adynamic viscosity/density
Bdynamicviscosity x density
Cdensity/dynamic viscosity
D1/dynamicviscosity x density E. same as dynamic viscosity
352
The units of kinematic viscosity are_______________?
Ametres2 per sec
Bkg sec/meter
Cnewton-sec per meter
Dnewton-sec per meter E. none of the above
353
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be____________________?
Ah
Bwh
Cw/h
Dh/w E. h/wh
354
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water___________________?
A51 cm
B50 cm
C52 cm
D52.2 cm E. 51.7 cm
355
Dimensions of surface tension are_________________?
AMlL°T2
BMlL°Tx
CMlL r2
DMlL2T2 E. MlL°t
356
The conditions for the stable equilibrium of a floating body are_______________?
Athe meta-center should lie above the center of gravity
Bthe center of buoyancy and the center of gravity must lie on the same vertical line
Ca righting couple should be formed
Dall the above are correct E. none of the above is correct
357
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?
ABuoyancy
BEquilibrium of a floating body
CArchimedes’ principle
DBernoulli’s theorem E. Metacentric principle
358
The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as____________________?
Ameta center
Bcenter of pressure
Ccenter of buoyancy
Dcenter of gravity E. none of the above
359
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are_________________?
Aless
Bmore
Cequal
Dless at low temperature and more at high temperature E. there is no such criterion
360
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will__________________?
Aincrease
Bdecrease
Cremain same
Dincrease/decrease depending on depth of immersion E. unpredictable