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BHEL ET 2019: Technical Quiz 3
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Question 1
Steel whose elements are used for the purpose of modifying the mechanical properties of plain carbon steel is called ___________.
Question 2
Which of the following ratio is known as schmidt number ?
Question 3
For calculation of heat transfer by natural convection from a horizontal cylinder, what is the characteristic length in Grashof number?
Question 4
Back work ratio in case of Brayton cycle is given by
Question 5
The point of contraflexure in a beam is at the location where the
Question 6
In static condition, fluids are not able to sustain ________.
Question 7
The amplitude of underdamping a small damping varies with time as ________.
Question 8
Forced draught fans of a large steam generator
Question 9
The Motion transmitted between the teeth of two spur gear in mesh is generally
Question 10
Runaway speed of a hydraulic turbine is
Question 11
Metals are good heat conductors because ___________.
Question 12
The circumferential stress in a thin shell due to internal fluid pressure is given by :
Question 13
Binding wire used to support the joints for soldering is made of __________.
Question 14
In actual refrigeration systems, the compressor handles vapour only. What is this process commonly referred to as ___________.
Question 15
Maximum efficiency for a single stage pure impulse blading (symmetric) with nozzle angle ‘α’ is:
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ESE & GATE MEGeneralJan 28ESE & GATE ME