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NLC Technical Quiz 1

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Question 1

The process of making hollow castings of non-circular shape and desired thickness by permanent mould without the use of cores is known as ____.

Question 2

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 3

The change of bending moment w.r.t distance is equal to _______.

Question 4

Water-tube boilers are preferred for

Question 5

As per the Kennedy’s theorem, the instantaneous centres of three links having relative motion lies on a __________.

Question 6

The number of radiation shield screens in case of radiation heat transfer to reduce the radiation heat exchange by 80% is __________.

Question 7

The maximum efficiency of self locking screw is :

Question 8

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

Question 9

It is recommended that the diffuser angle should be kept less than 18 ° because

Question 10

The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

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ESE & GATE ME General

May 27ESE & GATE ME