Related Questions

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell
A Decreases upwards
B Increases upwards
C Remains same throughout
D May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.
A Conical
B Flat
C Floating
D Fixed
A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottoms. If the cistern is full, the leak will empty it in ?
A 28 hrs
B 20 hrs
C 40 hrs
D 36 hrs
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.
A 3-5
B 5-11
C 8-15
D 12-18
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If $${\sigma _{\text{t}}}$$ is the tensile stress for the shell material, then thickness of shell is equal to
A $$\frac{{{\text{pd}}}}{{{\sigma _{\text{t}}}}}$$
B $$\frac{{{\text{pd}}}}{{2{\sigma _{\text{t}}}}}$$
C $$\frac{{{\text{pd}}}}{{3{\sigma _{\text{t}}}}}$$
D $$\frac{{{\text{pd}}}}{{4{\sigma _{\text{t}}}}}$$
A thin cylindrical shell of diameter (d), length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The hoop stress in the shell is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{6{\text{t}}}}$$
A thin cylindrical shell of diameter (d) length ($$l$$) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is
A $$\frac{{{\text{pd}}}}{{\text{t}}}$$
B $$\frac{{{\text{pd}}}}{{2{\text{t}}}}$$
C $$\frac{{{\text{pd}}}}{{4{\text{t}}}}$$
D $$\frac{{{\text{pd}}}}{{6{\text{t}}}}$$
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
The actual thickness of butt weld as compared to the thickness of plate is usually
A More
B Less
C Equal
D None of the above
In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.
A Once
B Twice
C Thrice
D Four times

Next steps