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CHEMICAL ENGINEERING

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?

A. Ability to absorb shock
B. Capacity to store energy
C. Ratio of the wire & coil diameters
D. Load to produce unit deflection

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________? Read More »

CHEMICAL ENGINEERING

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

A. To reduce the head loss in discharge
B. To increase the pump efficiency
C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at
constant velocity
D. To increase the pump discharge rate

Which of the following is not the function of a volute casing provided in a centrifugal pump ? Read More »

CHEMICAL ENGINEERING

Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?

Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ?

A. Below the yield point
B. Above the yield point
C. Below the elastic limit
D. At the elastic limit

Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails ? Read More »

CHEMICAL ENGINEERING

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?

A. Malleable iron
B. Grey cast iron
C. Chilled cast iron
D. White cast iron

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________? Read More »

CHEMICAL ENGINEERING

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

A. Tin
B. Lead
C. Zinc
D. Glass

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ? Read More »

CHEMICAL ENGINEERING