A.Lengthens the flame
B.Causes heat loss of fuel by its partial combustion
C.Shortens the flame
D.Both A. & B.
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 364 of 557.
Chemical Engineering MCQs
Showing page 364 of 557 · 8,342 total solved questions available.
⚡Start Quiz Mode to Practice Like the Real Exam!
In chemical process equipments, the conical bottom heads used, usually has an apex angle of________?
0A.40°
B.80°
C.20°
D.60°
Explanation: The correct answer is 60°.
Submitted by: Academy of Pakistan
A.Kick’s law
B.Bond’s crushing law
C.None of these
D.Rittinger’s law
Explanation: The correct answer is Rittinger’s law.
Submitted by: Academy of Pakistan
Lap joints are preferred over butt joints in soldering/brazing, because these joints are ________?
0A.Weaker in shear but stronger in tension
B.Stronger in both shear and tension
C.The lap joints are easily made
D.Weaker in tension but stronger in shear
Explanation: The correct answer is The lap joints are easily made.
Submitted by: Academy of Pakistan
A.21
B.29
C.19
D.23
Explanation: The correct answer is 23.
Submitted by: Academy of Pakistan
A.Relative humidity
B.Partial pressure of water vapor
C.None of these
D.Wet bulb temperature
Explanation: The correct answer is Wet bulb temperature.
Submitted by: Academy of Pakistan
A.Stiffness
B.All A., B. & C.
C.Toughness
D.Creep limit
Explanation: The correct answer is Creep limit.
Submitted by: Academy of Pakistan
A.High pressure & low temperature
B.Low pressure & high temperature
C.Low pressure & low temperature
D.High pressure & high temperature
Explanation: The correct answer is High pressure & low temperature.
Submitted by: Academy of Pakistan
A.Molality
B.Formality
C.Molarity
D.Normally
Explanation: The correct answer is Normally.
Submitted by: Academy of Pakistan
A.Relative roughness
B.All A., B. & C.
C.Friction co-efficient for flows at equal Reynold number
D.Absolute roughness
Explanation: The correct answer is Friction co-efficient for flows at equal Reynold number.
Submitted by: Academy of Pakistan
A.Relative volatility
B.Murphree efficiency
C.Absorption factor
D.Selectivity
Explanation: The correct answer is Relative volatility.
Submitted by: Academy of Pakistan
A.(T1S + 1)/(T2S + 1)
B.(T1S + 1)/(T2S
C.(T1S/(T2S + 1)
D.e-ηS
Explanation: The correct answer is e-ηS.
Submitted by: Academy of Pakistan
A.Inhalation of mercury vapour is not harmful for human beings
B.Mass is converted into energy in both nuclear fission & fusion reaction
C.Geothermal energy is a non-conventional source of energy
D.Inhalation of arsenic causes cancer
Explanation: The correct answer is Inhalation of mercury vapour is not harmful for human beings.
Submitted by: Academy of Pakistan
A.Finishing cuts
B.Ductile material
C.Brittle materials
D.Hard materials
Explanation: The correct answer is Ductile material.
Submitted by: Academy of Pakistan
A.Adipic acid and Hexamethylenediamine
B.Caprolactam
C.Sebacic acid and Hexamethylenediamine
D.Maleic anhydride and Hexamethylenediamine
Explanation: The correct answer is Caprolactam.
Submitted by: Academy of Pakistan