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SSC-JE ME || Technical Quiz 10
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Question 1
In a half-degree reaction Parson’s turbine, operating at design conditions, the enthalpy drop of steam in one stage of the turbine occurs
Question 2
In order to have a low bypass factor of a cooling coil, the fin spacing and the number of tube rows should be
Question 3
In a centrifugal pump discharge Q is proportional to
Question 4
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?
Question 5
The velocity distribution in a turbulent boundary layer is given by
What is the displacement thickness
What is the displacement thickness
Question 6
The vanes of a centrifugal pump are generally
Question 7
Which one of the following is correct?
In a normal shock wave in one dimensional flow,
In a normal shock wave in one dimensional flow,
Question 8
Which one of the following pumps in not a positive displacement pump?
Question 9
Laminar boundary layer thickness at any point x for flow over a flat plate is given by
Question 10
Production cost refers to prime cost plus
Question 11
On which factor(s), does the heat lost by the human body in the process of radiation depend?
Question 12
When two spur gear having involute profiles on their teeth engaged, the line of action in tangential to the
Question 13
Francis Turbine is a
Question 14
A reversed Carnot cycle working as a heat pump has a COP of 7. What is the ratio of minimum to maximum absolute temperatures?
Question 15
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?
Question 16
Modulus of rigidity is the ratio of:
Question 17
Which one of the following has highest velocity ratio?
Question 18
Which one of the following is molding material defect?
Question 19
If equal and opposite forces applied to a body tend to elongate it, the stress so produced is called:
Question 20
The instrument preferred in the measurement of highly fluctuating velocities in air flows is ________.
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Jun 11AE & JE Exams