In the design of a bag filter, the gas temperature is an important consideration, as it affects the___________________?

Related Mcqs:

1. In a bag filter, the pressure drop increases directly as the___________________?

   A. Density of the gas, but is independent of the viscosity of the gas
   B. Density of the gas and inversely as viscosity of the gas
   C. Viscosity of the gas and inversely as density of the gas
   D. None of these

2. The operating pressure drop range in a bag filter is about ______________ mm water gauge?

   A. 50-150
   B. 5-10
   C. 500-1500
   D. 1500-2500

3. The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the _______________ stress?

   A. Working
   B. Damaging
   C. Allowable
   D. None of these

4. Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________?

   A. Ultimate stress to breaking stress
   B. Ultimate stress to working stress
   C. Working stress to ultimate stress
   D. None of these

5. Wind load consideration in the design of a support can be neglected, when the vessel is___________________?

   A. Tall (say 30 metres), but is full of liquid
   B. Tall but empty
   C. Short (< 2 m) and housed indoor
   D. None of these

6. Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about _____________ kcal/hr.m2.°C?

   A. 1250
   B. 2500
   C. 7500
   D. 15000

7. With increase in gas flow rate to fabric surface area ratio (Nm3/hr/m2 fabric surface area), the size & the cost of a bag filter___________________?

   A. Increases
   B. Decreases
   C. Remain unaffected
   D. None of these

8. The wall thickness for a large high pressure pipeline is determined by the consideration of the____________________?

   A. Axial tensile stress in the pipe
   B. Forces exerted by static and dynamic action at bends
   C. Circumferential pipe-wall tension
   D. Temperature stresses

9. Rate of filtrate delivery is inversely proportional to the___________________?

   A. Filtering area & the pressure difference driving force
   B. Viscosity of filtrate
   C. Cake & filter medium resistance
   D. Both A. and B.

10. The ratio of lateral strain to linear strain is termed as the___________________?

    A. Poisson’s ratio
    B. Bulk modulus
    C. Modulus of elasticity
    D. Shear modulus