Related Questions

In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links
A will remain same
B will change
C will not occur
D none of the mentioned
The whitworth quick return motion mechanism is formed in a slider crank chain when the
A coupler link is fixed
B longest link is a fixed link
C slider is a fixed link
D smallest link is a fixed link
Whitworth quick return mechanism is obtained by inversion of
A slider crank mechanism
B kinematic chain
C five link mechanism
D roller cam mechanism
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
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
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
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
Randomized quick sort is an extension of quicksort where the pivot is chosen randomly. what is the worst case complexity of sorting a numbers using randomized quick sort?
A O (n)
B O (n2)
C O (n log n)
D O (n!)
Among P, Q, R, S and T, Q is the second tallest and S is immediate taller than the shortest . Who among them is in the middle when they stand in the order of their heights ? (1). T is not the shortest (2). R is taller than S but shorter than Q . (3). P ranks third in height above S when all are arranged in the order of height .
A Only 1 and 2
B Only 2 and 3
C Either 2 only or 1 and 3 only
D Only 2

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