Fourier equation
Stefan-Boltzmann equation
Newton-Rikhmann equation
Joseph-Stefan equation
✅ The correct answer is option B.
Mechanical Engineering MCQs
The discharge through a channel of trapezoidal section is maximum when
width of channel at the top is equal to twice the width at the bottom
depth of channel is equal to the width at the bottom
the sloping side is equal to half the width at the top
the sloping side is eq
✅ The correct answer is option C.
The Euler’s equation for the motion of liquids is based upon the assumption that
the fluid is non – viscous, homogeneous and incompressible
the velocity of flow is uniform over the section
the flow is continuous, steady and along the stream line
all of the above
✅ The correct answer is option D.
If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.
change
does not change
✅ The correct answer is option B.
The coriolis component of acceleration leads the sliding velocity by
45°
90°
135°
180°
✅ The correct answer is option B.
In the below figure, the point B represents upper yield point.
Correct
Incorrect
✅ The correct answer is option A.
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as
throttle governing
cut-off governing
by-pass governing
none of these
✅ The correct answer is option A.
When a slider moves on a fixed link having curved surface, their instantaneous centre lies
on their point of contact
at the centre of curvature
at the centre of circle
at the pin joint
✅ The correct answer is option B.
In case of a Diesel car, the pressure at the end of compression is of the order of
15 bar
25 bar
35 bar
45 bar
✅ The correct answer is option D.
The addition of manganese to aluminium improves corrosion resistance.
Correct
Incorrect
✅ The correct answer is option A.