The slenderness ratio for long columns is:
The COP of a refrigerator working on a reversed Carnot cycle is 5. The ratio of the highest absolute temperature to the lowest absolute temperature would be
The efficiency of superheat Rankine cycle is higher than that of simple Rankine cycle because _______.
During solidification of a pure molten metal, the grains in the casting near the mould wall are _______.
The ratio of torque carrying capacity of solid shaft to that of hollow shaft of same material and of outer diameter equal to diameter of solid shaft is:
Di = inner diameter of hollow shaft
Do = outer diameter of hollow shaft
and τmax = Permissible shear stress for shaft material
In which type of welding, a pool of molten metal is used?
Match the following:
A two-cylinder two-stroke have bore and stroke 300 mm and 500 mm respectively, Find the mean piston speed in meter per second at 300 rpm ______.
Anti-friction bearings are ______.
The value of principle stress (σ1) in terms of principle strain E1 and E2 is given by:
Moment of Inertia of a triangular section of base a and height h about an axis passing through its centre of gravity and parallel to base is
Water at ambient temperature flows through the horizontal pipe of uniform of cross-section. It the pressure drop across the pipe increase. The power required to pump the water across the pipe will be