⚙️Mechanical Engineering MCQs
Mechanical Engineering MCQs
488 MCQs161
A fluid in equilibrium can’t sustain____________________?
Atensile stress
Bcompressive stress
Cshear stress
Dbending stress E. all of the above
162
A perfect gas____________________?
Ahas constant viscosity
Bhas zero viscosity
Cis in compressible
Dis of theoretical interest E. none of the above
163
The tendency of a liquid surface to contract is due to the following property_____________?
Acohesion
Badhesion
Cviscosity
Dsurface tension E. elasticity
164
Specific weight of water in S.I. units is equal to ________________?
A1000 N/m3
B10000 N/m3
C9.81 xlO3 N/m3
D9.81 xlO6N/m3 E. 9.81 N/m3
165
Mercury does not wet glass. This is due to property of liquid known as__________________?
Aadhesion
Bcohesion
Csurface tension
Dviscosity E. compressibility
166
The value of mass density in kgsecVm4 for water at 0°C is_________________?
A1
B1000
C100
D101.9 E. 91
167
Liquids_________________?
Acannot be compressed
Boccupy definite volume
Care not affected by change in pressure and temperature
Dare not viscous E. none of the above
168
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its__________________?
Aspecific weight
Bspecific mass
Cspecific gravity
Dspecific density E. none of the above
169
A pressure of 25 m of head of water is equal to_________________?
A25 kN/m2
B245 kN/m2
C2500 kN/m2
D2.5kN/m2 E. 12.5 kN/m2
170
A one dimensional flow is one which_________________?
Ais uniform flow
Bis steady uniform flow
Ctakes place in straight lines
Dinvolves zero transverse component of flow E. takes place in one dimension