For high pressure process equipments/vessels, the connected nozzle should be____________________?

Related Mcqs:

1. The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?

   A. 1.5 to 2
   B. 3 to 4
   C. 4 to 5
   D. > 5

2. ____________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.)?

   A. Hemispherical
   B. Dished
   C. Ellipsoidal
   D. Conical

3. Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure ?

   A. Larger dia vessel
   B. Smaller dia vessel
   C. Larger dia long vessel
   D. Strength of the vessel is same irrespective of the diameter

4. Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about ______________ percent of the total thickness?

   A. 1 to 5
   B. 10 to 20
   C. 30 to 40
   D. 40 to 50

5. Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?

   A. 30°
   B. 45°
   C. 60°
   D. 75°

6. Cylindrical pressure vessels in horizontal condition is generally supported on a ________________ support?

   A. Lug
   B. Skirt
   C. Saddle
   D. Guy wire

7. Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of _______________ type?

   A. Nozzle or rim
   B. Flared out
   C. Fluid in
   D. Ring plate

8. Factor of safety (i.e., overdesign factor) in heat transfer equipments is about _____________ percent more than the actual/theoretical design factor?

   A. 5-10
   B. 15-20
   C. 30-35
   D. 35-40

9. A ‘rupture disc’ is provided in chemical equipments as an accessory meant for ___________________?

   A. Relieving excess pressure
   B. Creating turbulence
   C. Enhancing mixing rate
   D. Avoiding vortex formation

10. Safety valves are provided in chemical equipments to guard against excessive_________________?

    A. Temperature
    B. Pressure/pressure fluctuation
    C. Turbulence
    D. Noise