Related Questions

In which of the following the friction drag is generally larger than pressure drag?
A a circular disc or plate held normal to flow
B a sphere
C a cylinder
D an airfoil
In which of the following body shapes, the pressure drag is large compared to the friction drag?
A Stream line body
B Two dimensional body
C Bluff body
D None of these
The ratio of wall drag to total drag in the Stoke's law range is
A 0.5
B 1
C $$\frac{1}{3}$$
D $$\frac{2}{3}$$
The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is
A 0.5
B 1
C 2
D 0.33
গ্রেডিয়েন্ট মধ্যবিন্দুর অবস্থান নির্ধারণ করা যায়-i. নির্ধারণীসূচক সংখ্যা লিখেii. আইকনটি ডানে বায়ে drag করে iii. মুক্ত টুলের সাহায্যে drag করেনিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a
A Batch reactor is preferred over a single CSTR for high yield
B Tubular reactor is preferred over a single CSTR for high yield
C Both A and B
D Single CSTR is the most suitable
The _________ event is fired on the element where the drop occurred at the end of the drag operation.
A drag
B drop
C dragstart
D dragenter
Which of the following property is common in all drag events?
A drag effects
B drag data
C dataTransfer
D dragenter
In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
A Gang milling
B Straddle milling
C String milling
D Side milling
The operation of cutting of a flat sheet to the desired shape is called
A Shearing
B Piercing
C Punching
D Blanking

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