In a half-degree reaction Parson’s turbine, operating at design conditions, the enthalpy drop of steam in one stage of the turbine occurs
In order to have a low bypass factor of a cooling coil, the fin spacing and the number of tube rows should be
In a centrifugal pump discharge Q is proportional to
In order to ram the sand softer on the pattern face and harder at the back of the mould, which of the following types of moulding machines is used?
The velocity distribution in a turbulent boundary layer is given by
What is the displacement thickness
The vanes of a centrifugal pump are generally
Which one of the following is correct?
In a normal shock wave in one dimensional flow,
Which one of the following pumps in not a positive displacement pump?
Laminar boundary layer thickness at any point x for flow over a flat plate is given by
Production cost refers to prime cost plus
On which factor(s), does the heat lost by the human body in the process of radiation depend?
When two spur gear having involute profiles on their teeth engaged, the line of action in tangential to the
Francis Turbine is a
A reversed Carnot cycle working as a heat pump has a COP of 7. What is the ratio of minimum to maximum absolute temperatures?
The cutting speed for maximum production rate Vmpr and cutting speed for minimum cost of production Vmcp are always related through which one of the following expressions?
Modulus of rigidity is the ratio of:
Which one of the following has highest velocity ratio?
Which one of the following is molding material defect?
If equal and opposite forces applied to a body tend to elongate it, the stress so produced is called:
The instrument preferred in the measurement of highly fluctuating velocities in air flows is ________.