৮৬২১
The process of removing metal by a cutter which is rotated against the direction of travel of the workpiece, is called
উত্তর
up milling
৮৬২৩
If there are no externally induced flow velocities, then the Nusselt Number (Nu) does not depend upon
উত্তর
Reynolds number
৮৬২৪
If the depth of water in an open channel is greater than the critical depth, the flow is called
উত্তর
tranquil flow
৮৬২৫
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant , is called
উত্তর
hyperbolic process
৮৬২৬
The fuel mostly used in cement industry and in metallurgical processes is
উত্তর
pulverized coal
৮৬২৮
The maximum frictional force , which comes into play , when a body just begins to slide over the surface of the surface of the other body, is known as
উত্তর
limiting friction
৮৬২৯
Which from the following is true for 'Sound'?Sound cannot pass through ---.
উত্তর
through a vacuum
৮৬৩০
In are welding , the temperature of heat produced by the elcetric are is of the order of
উত্তর
6000°C to 7000°C