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Chemical Engineering Mcqs

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
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The most serious manufacturing defect from fracture toughness point of view is____________________?

  • (A)  Surface roughness
  • (B)  Pores
  • (C)  Spherical inclusion
  • (D)  Crack
Submitted By :Ali Uppal


______________ has the highest melting point out of the following ?

  • (A)  Tungsten
  • (B)  Zirconium
  • (C)  Molybdenum
  • (D)  Tantalum
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Submitted By :Ali Uppal


Ceramic compounds as compared to metallic compounds ____________________ ?

  • (A)  Crystallise faster
  • (B)  Resist greater tensile stress at room temperature
  • (C)  Have higher melting temperature
  • (D)  Are better conductor of electricity at higher temperature
Submitted By :Ali Uppal


Galvanic corrosion cannot be prevented by___________________?

  • (A)  Cathodic protection
  • (B)  Anodic protection
  • (C)  Usage of largest possible anodic area
  • (D)  Any one of these
Submitted By :Ali Uppal