Process Equipment And Plant Design — Part 1 MCQs with Explanations

$$\frac{1}{8}$$ and $$\frac{1}{{64}}$$ is the correct answer to “Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

1.25-1.50 times is the correct answer to “In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Complete back mixing is the correct answer to “Value of Peclet number = 0, is the representative of”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

15 is the correct answer to “The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Liquor flows inside the tube, while the steam is outside submerging the tube is the correct answer to “Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

None of these is the correct answer to “Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Irrespective of the shape of the vessel is the correct answer to “A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Double pipe is the correct answer to “__________ heat exchanger is also known as 'hair pin type' exchanger,”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Ellipsoidal is the correct answer to “__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

8 is the correct answer to “Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Rupture diaphragm is the correct answer to “Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Called tube pitch is the correct answer to “In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Ultimate is the correct answer to “The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

More is the correct answer to “Thickness of the frame of a plate and frame filter as compared to that of plates is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Negligible is the correct answer to “for couplings and unions would be”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

$$\frac{{{\text{pD}}}}{{4{\text{t}}}}$$ is the correct answer to “Longitundinal stress induced in a thin walled cylindrical storage vessel is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

> 10 is the correct answer to “In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

10 is the correct answer to “A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

2.5-3.0 is the correct answer to “Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Called tube clearance is the correct answer to “Shortest distance between two tubes is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

60 is the correct answer to “$$\frac{{{{\text{L}}_{\text{e}}}}}{{\text{D}}}$$ for a Tee (used as elbow, entering run) would be around”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

None of these is the correct answer to “A rivetted joint does not fail by __________ of rivets.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

NH3 is the correct answer to “Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Hemispherical is the correct answer to “__________ dished head is the strongest of all.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Plug flow is the correct answer to “Value of Peclet number = ∞, is the representative of”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Bubble cap is the correct answer to “For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

80-100 is the correct answer to “The normal range of velocity of steam in pipes is __________ m/sec.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Di, opt = 3.9 Q0.45.ρ0.13 is the correct answer to “For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft 3 /sec.ρ = fluid density, lb/ft 3 .μ = fluid viscosity, centipoise D i = optimum inside pipe diameter, inches)”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Both A & B is the correct answer to “Rate of filtrate delivery is inversely proportional to the”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Ideal trays required to the number of real trays required is the correct answer to “Overall tray efficiency of a distillation column is the ratio of the number of”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Short (< 2 m) and housed indoor is the correct answer to “Wind load consideration in the design of a support can be neglected, when the vessel is”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

Both the functions of condensation & sub cooling are carried out in a single unit is the correct answer to “Vertical condenser is advantageous to the horizontal condenser from operation point of view, when”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

1.3 to 2 is the correct answer to “In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

$$\frac{{4\left( {{{\text{p}}^2} - \pi {{\text{d}}^2}/4} \right)}}{{\pi {\text{d}}}}$$ is the correct answer to “In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

1.25 is the correct answer to “Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

≤ 2 is the correct answer to “Brass valves are usually made for pipe sizes __________ inches.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

All of the above is the correct answer to “An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

0.85 is the correct answer to “Welded joint efficiency in the design of chemical process equipment is taken as”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

60° is the correct answer to “Apex angle of conical heads used in the bottom heads of chemical process equipments is usually”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.

5 is the correct answer to “The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability.”. This question is standard in competitive examination syllabi for Process Equipment And Plant Design.