Related Questions

When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when
A Wheel base of axles is more
B Degree of curvature is more
C Both (A) and (B)
D None of the above
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called
A Hydrostatic lubricated bearing
B Hydrodynamic lubricated bearing
C Boundary lubricated bearing
D Zero film bearing
10 g-এর একটি ভর ঘর্ষণহীন একটি অনুভূমিক তলের ওপর দিয়ে গিয়ে দেয়ালের সাথে সংযুক্ত একটি অনুভূমিক স্প্রিংকে 6 m/s বেগে আঘাত করে। যদি স্প্রিংটির স্প্রিং ধ্রুবকের মান 400 N/m হয় তাহলে এটিতে সর্বোচ্চ সংকোচন কত হবে? (A mass of 10 g sliding on a frictionless horizontal surface hits at 6 m/s on a horizontal spring attached to a wall. If the spring has a spring constant of 400 N/m, what is its maximum compression?)
A 0.3 cm
B 3 /√10cm
C 3 cm
D 0.9 cm
Which of the following is an example of sliding pair?
A Piston and cylinder of a reciprocating steam engine
B Shaft with collars at both ends fitted into a circular hole
C Lead screw of a lathe with nut
D Ball and a socket joint
A slider crank chain consists of following numbers of turning and sliding pairs
A 1, 3
B 2, 2
C 3, 1
D 4, 0
The mechanism in which two are turning pairs and two are sliding pairs, is called a
A double slider crank chain
B elliptical trammel
C scotch yoke mechanism
D all of the mentioned
A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.
A Partially
B Fully
C Either A or B
D None of these
A sliding bearing which operates without any lubricant present, is called
A Zero film bearing
B Boundary lubricated bearing
C Hydrodynamic lubricated bearing
D Hydrostatic lubricated bearing
She was sliding..... depression.
A of
B on
C into
D at
She was sliding ______depression.
A into
B of
C on
D at

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