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ESE Prelims 2022 Achievers Quiz 25
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Question 1
A reversible engine operates between temperatures 900 k and T2(T2 < 900K) and another reversible engine between T2 and 400 K (T2>400 K) in series. The value of T2 if work outputs of both the engines are equal is
Question 2
As per the Kennedy’s theorem, the instantaneous centres of three links having relative motion lies on a __________.
Question 3
The number of radiation shield screens in case of radiation heat transfer to reduce the radiation heat exchange by 80% is __________.
Question 4
The deformation of a bar under its own weight as compared to that when subjected to a direct axial load equal to its own weight will be
Question 5
Which one of the following is a high energy rate forming process?
Question 6
Water-tube boilers are preferred for
Question 7
Consider the following:
[1]. Crystal structure
[2]. Relative size
[3]. Chemical affinity
[4]. Valency
Which of these factors govern relative solubility of two metals in each other in the solid state?
[1]. Crystal structure
[2]. Relative size
[3]. Chemical affinity
[4]. Valency
Which of these factors govern relative solubility of two metals in each other in the solid state?
Question 8
A spring having 30 coils and stiffness K is cut into 3 equal parts and arranged them in parallel combination. What will be the effective stiffness of the new system?
Question 9
In case of free vibration with viscous damping, the damping force is proportional to
Question 10
A refrigeration plant uses a condenser with heat rejection ratio of 1.2. If the capacity of the plant is 210 kJ/min, then the value of the COP of the refrigeration plant is
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ESE & GATE MEGeneralJul 22ESE & GATE ME