Chemical Engineering — Test 2
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Question 1
The most serious manufacturing defect from fracture toughness point of view is____________________?
Question 2
Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?
Question 3
Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?
Question 4
Which of the following is not the function of a volute casing provided in a centrifugal pump ?
Question 5
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?
Question 6
______________________ is used as a material of construction for the blade of power saw ?
Question 7
Addition of silicon to cast iron ___________________?
Question 8
The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then_________________?
Question 9
The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is____________________?
Question 10
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?