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SSC JE 2019 - 20 technical Quiz 50
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Question 1
What is the relationship between the linear elastic properties: Young’s modulus (E), rigidity modulus (G) and bulk modulus (K)?
Question 2
One kg of steam sample contains 0.8 kg dry steam; ¡t’s dryness fraction is
Question 3
In vapour absorption refrigeration system heating in generator is done at 177oC, refrigeration in evaporator at -3oC and cooling in condenser at 27oC. Then what will be the maximum COP of the system?
Question 4
A small electric appliance uses 0.18 cm diameter wire with 0.061 cm thick insulation. Taking kinsulation=0.10 W/moC and h=50 W/m2oC, the critical thickness of insulation is
Question 5
In gas turbine, intercooler is placed
Question 6
A hydraulic reaction turbine working under a head of 16 m develops 640 kW of power. What is the unit power of the turbine?
Question 7
Which one of the following process conditions leads to higher MRR in ECM process?
Question 8
Which one of the following is the process to refine the grains of metal after it has been distorted by hammering or cold working?
Question 9
If the work done on a closed system is 20 kJ/kg, and 40 kJ/kg heat is rejected from the system, its internal energy decreases by
Question 10
Due to cold forming, ductility of a material_____.
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ESE & GATE MEGeneralApr 30ESE & GATE ME
