A.700-850
B.200-300
C.4000-4500
D.2000-2200
Explanation: The correct answer is 2000-2200.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 288 of 557.
Chemical Engineering MCQs
Showing page 288 of 557 · 8,342 total solved questions available.
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Tubes are held between top and bottom tube sheets in Calandria type evaporator by keeping________?
0A.The top tube sheet floating and bottom tube sheet fixed
B.Both the tube sheets fixed
C.Both the tube sheets floating
D.The top tube sheet fixed and the bottom tube-sheet floating
Explanation: The correct answer is Both the tube sheets fixed.
Submitted by: Academy of Pakistan
A.Periclase
B.Silica
C.Lime
D.None of these
Explanation: The correct answer is Silica.
Submitted by: Academy of Pakistan
A.15
B.20
C.2.5
D.7.5
Explanation: The correct answer is 7.5.
Submitted by: Academy of Pakistan
A.10 to 15
B.8 to 10
C.3 to 4
D.15 to 20
Explanation: The correct answer is 3 to 4.
Submitted by: Academy of Pakistan
A.1
B.0
C.2
D.3
Explanation: The correct answer is 0.
Submitted by: Academy of Pakistan
The term “approach” in a cooling tower refers to the difference in the temperature of the________?
0A.Hot water entering and the cooled water leaving the cooling tower
B.Cold water leaving the tower and the wet bulb temperature of the surrounding air
C.Hot water entering the tower and the wet bulb temperature of the surrounding air
D.None of these
Explanation: The correct answer is Cold water leaving the tower and the wet bulb temperature of the surrounding air.
Submitted by: Academy of Pakistan
A.Vane
B.Centrifugal
C.Plunger
D.Piston
Explanation: The correct answer is Plunger.
Submitted by: Academy of Pakistan
A.0.087 L.S
B.L.S/0.087
C.L.S
D.0.01 L.S
Explanation: The correct answer is 0.087 L.S.
Submitted by: Academy of Pakistan
A.Dressing
B.Roasting
C.Smelting
Explanation: The correct answer is Roasting.
Submitted by: Academy of Pakistan
A.Molybdenum
B.Tantalum
C.Zirconium
D.Tungsten
Explanation: The correct answer is Tungsten.
Submitted by: Academy of Pakistan
A.Bi-metallic thermometers
B.Thermocouples
C.Resistance thermometers
D.Gas thermometers
Explanation: The correct answer is Resistance thermometers.
Submitted by: Academy of Pakistan
A.The co-efficient of contraction of a Venturimeter is always unity
B.For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when
C.A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically
D.None of these
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Thermal conductivity meter
B.Chromatograph
C.Polarograph
D.Photo electric cell
Explanation: The correct answer is Photo electric cell.
Submitted by: Academy of Pakistan
A.Stronger
B.Both B. & C.
C.Harder
D.Non-inflammable
Explanation: The correct answer is Both B. & C..
Submitted by: Academy of Pakistan