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March 2019

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the________________?

Process Equipment and Plant Design /
High pressure fluid in a shell and tube heat exchanger should preferably be routed through the________________?

A. Tubes to avoid the expansion of high pressure shell construction
B. Shell side for smaller total pressure drop
C. Shell side, if the flow is counter-current and tube side if the flow is co-current
D. Shell side for large overall heat transfer co-efficient

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the________________? Read More »

Process Equipment and Plant Design

In a distillation column, bubble caps are located on trays with a pitch of ______________ times the outside diameter of the caps?

Process Equipment and Plant Design /
In a distillation column, bubble caps are located on trays with a pitch of ______________ times the outside diameter of the caps?

A. 1.3 to 2
B. 1.6 to 2
C. 2.5
D. 1.5 to 3

In a distillation column, bubble caps are located on trays with a pitch of ______________ times the outside diameter of the caps? Read More »

Process Equipment and Plant Design

Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?

Process Equipment and Plant Design /
Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?

A. It is unsuitable for concentrating those liquids, which form a scale or deposit salt
B. It is suitable for process, in which the final product is a liquor instead of solid
C. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator
height = 2.5-4 metres
D. Liquor flows inside the tube, while the steam is outside submerging the tube

Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ? Read More »

Process Equipment and Plant Design

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?

Process Equipment and Plant Design /
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

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? Read More »

Process Equipment and Plant Design

What is the value of ‘q’ for saturated vapor feed to a distillation column? (where q = fraction of the feed stream that is liquid ?

Process Equipment and Plant Design /
What is the value of ‘q’ for saturated vapor feed to a distillation column? (where q = fraction of the feed stream that is liquid ?

A. 0
B. 1
C. 1

What is the value of ‘q’ for saturated vapor feed to a distillation column? (where q = fraction of the feed stream that is liquid ? Read More »

Process Equipment and Plant Design

Two _________ Indian Air Force (IAF) aircraft were shot down by the Pakistan Air Force (PAF) inside Pakistani airspace on 27 Feb 2019?

Pakistan Current Affairs MCQs /
Two _________ Indian Air Force (IAF) aircraft were shot down by the Pakistan Air Force (PAF) inside Pakistani airspace on 27 Feb 2019?A. MiG 21 aircraft
B. MiC 22 aircraft
C. MiE 31 aircraft
D. MiF 32 aircraft

Two _________ Indian Air Force (IAF) aircraft were shot down by the Pakistan Air Force (PAF) inside Pakistani airspace on 27 Feb 2019? Read More »

Pakistan Current Affairs MCQs

Which Court has rejected the bail plea on medical grounds of former Prime Minister Nawaz Sharif.

Pakistan Current Affairs MCQs /
Which Court has rejected the bail plea on medical grounds of former Prime Minister Nawaz Sharif.

A. Peshawar high Court
B. Sindh High Court
C. Islamabad high Court
D. Balochistan High Court

Islamabad High Court has rejected the bail plea on medical grounds of former PM Nawaz Sharif on 25 Feb, 2019

Which Court has rejected the bail plea on medical grounds of former Prime Minister Nawaz Sharif. Read More »

Pakistan Current Affairs MCQs