Related Questions

In a marine flange coupling, the pitch circle diameter of bolts is taken as
A 1.2 d
B 1.6 d
C 2 d
D 2.5 d
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)
A 2 d
B 3 d
C 4 d
D 5 d
In a flange coupling, the bolts are subjected to
A Tensile stress
B Compressive stress
C Shear stress
D None of these
In a flange coupling, the flanges are coupled together by means of
A Bolts and nuts
B Studs
C Headless taper bolts
D None of these
A flange coupling is used to connect two shafts
A Which are perfectly aligned
B Which are not in exact alignment
C Have lateral misalignment
D Whose axes intersect at a small angle
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.
A 90°
B 135°
C 160°
D 180°
In an RC coupling scheme, the coupling capacitor CC must be large enough ___________
A To pass d.c. between the stages
B Not to attenuate the low frequencies
C To dissipate high power
D None of the above
In RC coupling, the value of coupling capacitor is about ___________
A 100 pF
B 0.1 µF
C 0.01 µF
D 10 µF
The most costly coupling is ___________ coupling
A RC
B Direct
C Impedance
D Transformer
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is
A d > m > e
B d > e > m
C e > m > d
D e > d > m

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