1 m
2 m
3 m
4 m
✅ The correct answer is option D.
Engineering MCQs
The value of 1 mm of Hg is equal to
1.333 N/m2
13.33 N/m2
133.3 N/m2
1333 N/m2
✅ The correct answer is option C.
In a flange coupling, the flanges are coupled together by means of
bolts and nuts
studs
headless taper bolts
none of these
✅ The correct answer is option A.
The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is
equal to one
greater than one
less than one
equal to Nusselt number
✅ The correct answer is option A.
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the
kinetic head
velocity head
manometric head
static head
✅ The correct answer is option C.
The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
equal to
one-half
twice
four times
✅ The correct answer is option C.
Moment of inertia of a circular section about an axis perpendicular to the section is
πd3/16
πd3/32
πd4/32
πd4/64
✅ The correct answer is option C.
When the cutting edge of the tool is dull, then during machining
continuous chips are formed
discontinuous chips are formed
continuous chips with built-up edge are formed
no chips are formed
✅ The correct answer is option C.