Related Questions

Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
A Plane
B Curved
C Ribbed
D Either A or B
In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, $$l$$ = Span of the spring, n = Number of plates, b = Width of plates and t = Thickness of plates)
A $$\frac{{{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
B $$\frac{{3{\text{W}}l}}{{2{\text{nb}}{{\text{t}}^2}}}$$
C $$\frac{{2{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
D $$\frac{{3{\text{W}}l}}{{{\text{nb}}{{\text{t}}^2}}}$$
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
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.
A 0.25 to 4
B 0.25 to 8
C 1 to 5
D 1 to 12
Shell and leaf filter as compared to plate and frame filter
A Entails less labor cost
B Facilitates filtration under higher pressure
C Provides more effective washing
D All of the above
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as ________ double cover butt joint.
A Single riveted
B Double riveted
C Multi riveted
D None of these
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.
A Single riveted
B Double riveted
C Both (A) and (B)
D None of these
Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
A Adjusting the current
B Adjusting the duration of current
C Changing the electrode size
D Changing the electrode coating
The cost of picture frame M is Tk. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is Tk. 50.00, what is the cost of frame N?
A Tk. 13.33
B Tk. 16.66
C Tk. 20.00
D Tk. 26.66
The cost of picture frame M is TK. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is TK. 50.00 , what is the cost of frame N?
A TK. 13.33
B TK. 16.66
C TK. 20.00
D TK. 26.66

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